Merge "Added two touch slops for easier home press (1/3)" into pi-dev
diff --git a/cmds/statsd/src/atoms.proto b/cmds/statsd/src/atoms.proto
index 5bb2015..ab9c7e8 100644
--- a/cmds/statsd/src/atoms.proto
+++ b/cmds/statsd/src/atoms.proto
@@ -108,7 +108,7 @@
         ResourceConfigurationChanged resource_configuration_changed = 66;
         BluetoothEnabledStateChanged bluetooth_enabled_state_changed = 67;
         BluetoothConnectionStateChanged bluetooth_connection_state_changed = 68;
-        BluetoothA2dpAudioStateChanged bluetooth_a2dp_audio_state_changed = 69;
+        // 69 is blank but need not be.
         UsbConnectorStateChanged usb_connector_state_changed = 70;
         SpeakerImpedanceReported speaker_impedance_reported = 71;
         HardwareFailed hardware_failed = 72;
@@ -1008,22 +1008,6 @@
 }
 
 /**
- * Logs when Bluetooth A2dp audio streaming state changes.
- *
- * Logged from:
- *    TODO(b/73971848)
- */
-message BluetoothA2dpAudioStateChanged {
-    // Whether or not audio is being played using Bluetooth A2dp.
-    enum State {
-        UNKNOWN = 0;
-        PLAY = 1;
-        STOP = 2;
-    }
-    optional State state = 1;
-}
-
-/**
  * Logs when something is plugged into or removed from the USB-C connector.
  *
  * Logged from:
diff --git a/config/hiddenapi-vendor-list.txt b/config/hiddenapi-vendor-list.txt
index 61ae6e7..3a3a708 100644
--- a/config/hiddenapi-vendor-list.txt
+++ b/config/hiddenapi-vendor-list.txt
@@ -20,7 +20,7 @@
 Landroid/app/AppOpsManager$PackageOps;->getPackageName()Ljava/lang/String;
 Landroid/app/AppOpsManager$PackageOps;->getUid()I
 Landroid/app/IActivityController$Stub;-><init>()V
-Landroid/app/IActivityManager;->cancelRecentsAnimation()V
+Landroid/app/IActivityManager;->cancelRecentsAnimation(Z)V
 Landroid/app/IActivityManager;->cancelTaskWindowTransition(I)V
 Landroid/app/IActivityManager;->closeSystemDialogs(Ljava/lang/String;)V
 Landroid/app/IActivityManager;->getCurrentUser()Landroid/content/pm/UserInfo;
diff --git a/core/java/android/app/IActivityManager.aidl b/core/java/android/app/IActivityManager.aidl
index e1a02fa..919f714 100644
--- a/core/java/android/app/IActivityManager.aidl
+++ b/core/java/android/app/IActivityManager.aidl
@@ -450,7 +450,7 @@
             in Intent intent, in String resolvedType, in Bundle options, int userId);
     void startRecentsActivity(in Intent intent, in IAssistDataReceiver assistDataReceiver,
             in IRecentsAnimationRunner recentsAnimationRunner);
-    void cancelRecentsAnimation();
+    void cancelRecentsAnimation(boolean restoreHomeStackPosition);
     int startActivityFromRecents(int taskId, in Bundle options);
     Bundle getActivityOptions(in IBinder token);
     List<IBinder> getAppTasks(in String callingPackage);
diff --git a/core/java/android/app/INotificationManager.aidl b/core/java/android/app/INotificationManager.aidl
index ddd0656..5067e19 100644
--- a/core/java/android/app/INotificationManager.aidl
+++ b/core/java/android/app/INotificationManager.aidl
@@ -73,6 +73,7 @@
     ParceledListSlice getNotificationChannelsForPackage(String pkg, int uid, boolean includeDeleted);
     int getNumNotificationChannelsForPackage(String pkg, int uid, boolean includeDeleted);
     int getDeletedChannelCount(String pkg, int uid);
+    int getBlockedChannelCount(String pkg, int uid);
     void deleteNotificationChannelGroup(String pkg, String channelGroupId);
     NotificationChannelGroup getNotificationChannelGroup(String pkg, String channelGroupId);
     ParceledListSlice getNotificationChannelGroups(String pkg);
diff --git a/core/java/android/view/IRecentsAnimationController.aidl b/core/java/android/view/IRecentsAnimationController.aidl
index 89684ca..c0b40c8 100644
--- a/core/java/android/view/IRecentsAnimationController.aidl
+++ b/core/java/android/view/IRecentsAnimationController.aidl
@@ -59,4 +59,9 @@
     * taken.
     */
     void setAnimationTargetsBehindSystemBars(boolean behindSystemBars);
+
+    /**
+     * Informs the system that the primary split-screen stack should be minimized.
+     */
+    void setSplitScreenMinimized(boolean minimized);
 }
diff --git a/core/proto/OWNERS b/core/proto/OWNERS
new file mode 100644
index 0000000..ed42e2e
--- /dev/null
+++ b/core/proto/OWNERS
@@ -0,0 +1,13 @@
+# Be sure you are familiar with proto when you modify this directory.
+
+# Metrics
+bookatz@google.com
+cjyu@google.com
+jinyithu@google.com
+joeo@google.com
+kwekua@google.com
+singhtejinder@google.com
+
+# Frameworks
+ogunwale@google.com
+jjaggi@google.com
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index eebf581..02d6c9fc 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -1205,7 +1205,6 @@
   <java-symbol type="string" name="ssl_ca_cert_noti_by_administrator" />
   <java-symbol type="string" name="ssl_ca_cert_noti_managed" />
   <java-symbol type="string" name="work_profile_deleted" />
-  <java-symbol type="string" name="work_profile_deleted_description" />
   <java-symbol type="string" name="work_profile_deleted_details" />
   <java-symbol type="string" name="work_profile_deleted_description_dpm_wipe" />
   <java-symbol type="string" name="work_profile_deleted_reason_maximum_password_failure" />
diff --git a/location/java/android/location/ILocationManager.aidl b/location/java/android/location/ILocationManager.aidl
index fa3f99a..12768817 100644
--- a/location/java/android/location/ILocationManager.aidl
+++ b/location/java/android/location/ILocationManager.aidl
@@ -89,6 +89,10 @@
     ProviderProperties getProviderProperties(String provider);
     String getNetworkProviderPackage();
 
+    boolean isProviderEnabledForUser(String provider, int userId);
+    boolean setProviderEnabledForUser(String provider, boolean enabled, int userId);
+    boolean isLocationEnabledForUser(int userId);
+    void setLocationEnabledForUser(boolean enabled, int userId);
     void addTestProvider(String name, in ProviderProperties properties, String opPackageName);
     void removeTestProvider(String provider, String opPackageName);
     void setTestProviderLocation(String provider, in Location loc, String opPackageName);
diff --git a/location/java/android/location/LocationManager.java b/location/java/android/location/LocationManager.java
index a523958..38286a3 100644
--- a/location/java/android/location/LocationManager.java
+++ b/location/java/android/location/LocationManager.java
@@ -1249,40 +1249,11 @@
     @SystemApi
     @RequiresPermission(WRITE_SECURE_SETTINGS)
     public void setLocationEnabledForUser(boolean enabled, UserHandle userHandle) {
-        final List<String> allProvidersList = getAllProviders();
-        // Update all providers on device plus gps and network provider when disabling location.
-        Set<String> allProvidersSet = new ArraySet<>(allProvidersList.size() + 2);
-        allProvidersSet.addAll(allProvidersList);
-        // When disabling location, disable gps and network provider that could have been enabled by
-        // location mode api.
-        if (enabled == false) {
-            allProvidersSet.add(GPS_PROVIDER);
-            allProvidersSet.add(NETWORK_PROVIDER);
+        try {
+            mService.setLocationEnabledForUser(enabled, userHandle.getIdentifier());
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
         }
-        if (allProvidersSet.isEmpty()) {
-            return;
-        }
-        // to ensure thread safety, we write the provider name with a '+' or '-'
-        // and let the SettingsProvider handle it rather than reading and modifying
-        // the list of enabled providers.
-        final String prefix = enabled ? "+" : "-";
-        StringBuilder locationProvidersAllowed = new StringBuilder();
-        for (String provider : allProvidersSet) {
-            checkProvider(provider);
-            if (provider.equals(PASSIVE_PROVIDER)) {
-                continue;
-            }
-            locationProvidersAllowed.append(prefix);
-            locationProvidersAllowed.append(provider);
-            locationProvidersAllowed.append(",");
-        }
-        // Remove the trailing comma
-        locationProvidersAllowed.setLength(locationProvidersAllowed.length() - 1);
-        Settings.Secure.putStringForUser(
-                mContext.getContentResolver(),
-                Settings.Secure.LOCATION_PROVIDERS_ALLOWED,
-                locationProvidersAllowed.toString(),
-                userHandle.getIdentifier());
     }
 
     /**
@@ -1295,22 +1266,11 @@
      */
     @SystemApi
     public boolean isLocationEnabledForUser(UserHandle userHandle) {
-        final String allowedProviders = Settings.Secure.getStringForUser(
-                mContext.getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED,
-                userHandle.getIdentifier());
-        if (allowedProviders == null) {
-            return false;
+        try {
+            return mService.isLocationEnabledForUser(userHandle.getIdentifier());
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
         }
-        final List<String> providerList = Arrays.asList(allowedProviders.split(","));
-        for(String provider : getAllProviders()) {
-            if (provider.equals(PASSIVE_PROVIDER)) {
-                continue;
-            }
-            if (providerList.contains(provider)) {
-                return true;
-            }
-        }
-        return false;
     }
 
     /**
@@ -1362,9 +1322,12 @@
     @SystemApi
     public boolean isProviderEnabledForUser(String provider, UserHandle userHandle) {
         checkProvider(provider);
-        String allowedProviders = Settings.Secure.getStringForUser(mContext.getContentResolver(),
-                Settings.Secure.LOCATION_PROVIDERS_ALLOWED, userHandle.getIdentifier());
-        return TextUtils.delimitedStringContains(allowedProviders, ',', provider);
+
+        try {
+            return mService.isProviderEnabledForUser(provider, userHandle.getIdentifier());
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
     }
 
     /**
@@ -1383,16 +1346,13 @@
     public boolean setProviderEnabledForUser(
             String provider, boolean enabled, UserHandle userHandle) {
         checkProvider(provider);
-        // to ensure thread safety, we write the provider name with a '+' or '-'
-        // and let the SettingsProvider handle it rather than reading and modifying
-        // the list of enabled providers.
-        if (enabled) {
-            provider = "+" + provider;
-        } else {
-            provider = "-" + provider;
+
+        try {
+            return mService.setProviderEnabledForUser(
+                    provider, enabled, userHandle.getIdentifier());
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
         }
-        return Settings.Secure.putStringForUser(mContext.getContentResolver(),
-                Settings.Secure.LOCATION_PROVIDERS_ALLOWED, provider, userHandle.getIdentifier());
     }
 
     /**
diff --git a/packages/SystemUI/res/layout/status_bar.xml b/packages/SystemUI/res/layout/status_bar.xml
index 9d336e2..f0138a6 100644
--- a/packages/SystemUI/res/layout/status_bar.xml
+++ b/packages/SystemUI/res/layout/status_bar.xml
@@ -60,7 +60,11 @@
 
             <include layout="@layout/heads_up_status_bar_layout" />
 
+            <!-- The alpha of the left side is controlled by PhoneStatusBarTransitions, and the
+             individual views are controlled by StatusBarManager disable flags DISABLE_CLOCK and
+             DISABLE_NOTIFICATION_ICONS, respectively -->
             <LinearLayout
+                android:id="@+id/status_bar_left_side"
                 android:layout_height="match_parent"
                 android:layout_width="match_parent"
                 android:clipChildren="false"
@@ -76,8 +80,6 @@
                     android:gravity="center_vertical|start"
                 />
 
-                <!-- The alpha of this area is controlled from both PhoneStatusBarTransitions and
-                     PhoneStatusBar (DISABLE_NOTIFICATION_ICONS). -->
                 <com.android.systemui.statusbar.AlphaOptimizedFrameLayout
                     android:id="@+id/notification_icon_area"
                     android:layout_width="0dp"
diff --git a/packages/SystemUI/shared/src/com/android/systemui/shared/system/ActivityManagerWrapper.java b/packages/SystemUI/shared/src/com/android/systemui/shared/system/ActivityManagerWrapper.java
index 1aad27f..6aa2754 100644
--- a/packages/SystemUI/shared/src/com/android/systemui/shared/system/ActivityManagerWrapper.java
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/system/ActivityManagerWrapper.java
@@ -258,9 +258,9 @@
     /**
      * Cancels the remote recents animation started from {@link #startRecentsActivity}.
      */
-    public void cancelRecentsAnimation() {
+    public void cancelRecentsAnimation(boolean restoreHomeStackPosition) {
         try {
-            ActivityManager.getService().cancelRecentsAnimation();
+            ActivityManager.getService().cancelRecentsAnimation(restoreHomeStackPosition);
         } catch (RemoteException e) {
             Log.e(TAG, "Failed to cancel recents animation", e);
         }
diff --git a/packages/SystemUI/shared/src/com/android/systemui/shared/system/RecentsAnimationControllerCompat.java b/packages/SystemUI/shared/src/com/android/systemui/shared/system/RecentsAnimationControllerCompat.java
index 5fa6c79..80e226d 100644
--- a/packages/SystemUI/shared/src/com/android/systemui/shared/system/RecentsAnimationControllerCompat.java
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/system/RecentsAnimationControllerCompat.java
@@ -61,6 +61,14 @@
         }
     }
 
+    public void setSplitScreenMinimized(boolean minimized) {
+        try {
+            mAnimationController.setSplitScreenMinimized(minimized);
+        } catch (RemoteException e) {
+            Log.e(TAG, "Failed to set minimize dock", e);
+        }
+    }
+
     public void finish(boolean toHome) {
         try {
             mAnimationController.finish(toHome);
diff --git a/packages/SystemUI/src/com/android/systemui/ForegroundServiceController.java b/packages/SystemUI/src/com/android/systemui/ForegroundServiceController.java
index 5a2263c..ae6ee2a 100644
--- a/packages/SystemUI/src/com/android/systemui/ForegroundServiceController.java
+++ b/packages/SystemUI/src/com/android/systemui/ForegroundServiceController.java
@@ -73,7 +73,7 @@
     void onAppOpChanged(int code, int uid, String packageName, boolean active);
 
     /**
-     * Gets active app ops for this user and package.
+     * Gets active app ops for this user and package
      */
     @Nullable ArraySet<Integer> getAppOps(int userId, String packageName);
 }
diff --git a/packages/SystemUI/src/com/android/systemui/classifier/AnglesClassifier.java b/packages/SystemUI/src/com/android/systemui/classifier/AnglesClassifier.java
index e18ac74..cdf4ba7 100644
--- a/packages/SystemUI/src/com/android/systemui/classifier/AnglesClassifier.java
+++ b/packages/SystemUI/src/com/android/systemui/classifier/AnglesClassifier.java
@@ -16,6 +16,9 @@
 
 package com.android.systemui.classifier;
 
+import android.os.Build;
+import android.os.SystemProperties;
+import android.util.Log;
 import android.view.MotionEvent;
 
 import java.util.ArrayList;
@@ -49,13 +52,18 @@
 public class AnglesClassifier extends StrokeClassifier {
     private HashMap<Stroke, Data> mStrokeMap = new HashMap<>();
 
+    public static final boolean VERBOSE = SystemProperties.getBoolean("debug.falsing_log.ang",
+            Build.IS_DEBUGGABLE);
+
+    private static String TAG = "ANG";
+
     public AnglesClassifier(ClassifierData classifierData) {
         mClassifierData = classifierData;
     }
 
     @Override
     public String getTag() {
-        return "ANG";
+        return TAG;
     }
 
     @Override
@@ -170,18 +178,31 @@
 
         public float getAnglesVariance() {
             float anglesVariance = getAnglesVariance(mSumSquares, mSum, mCount);
+            if (VERBOSE) {
+                FalsingLog.i(TAG, "getAnglesVariance: (first pass) " + anglesVariance);
+                FalsingLog.i(TAG, "   - mFirstLength=" + mFirstLength);
+                FalsingLog.i(TAG, "   - mLength=" + mLength);
+            }
             if (mFirstLength < mLength / 2f) {
                 anglesVariance = Math.min(anglesVariance, mFirstAngleVariance
                         + getAnglesVariance(mSecondSumSquares, mSecondSum, mSecondCount));
+                if (VERBOSE) FalsingLog.i(TAG, "getAnglesVariance: (second pass) " + anglesVariance);
             }
             return anglesVariance;
         }
 
         public float getAnglesPercentage() {
             if (mAnglesCount == 0.0f) {
+                if (VERBOSE) FalsingLog.i(TAG, "getAnglesPercentage: count==0, result=1");
                 return 1.0f;
             }
-            return (Math.max(mLeftAngles, mRightAngles) + mStraightAngles) / mAnglesCount;
+            final float result = (Math.max(mLeftAngles, mRightAngles) + mStraightAngles) / mAnglesCount;
+            if (VERBOSE) {
+                FalsingLog.i(TAG, "getAnglesPercentage: left=" + mLeftAngles + " right="
+                        + mRightAngles + " straight=" + mStraightAngles + " count=" + mAnglesCount
+                        + " result=" + result);
+            }
+            return result;
         }
     }
-}
\ No newline at end of file
+}
diff --git a/packages/SystemUI/src/com/android/systemui/classifier/AnglesVarianceEvaluator.java b/packages/SystemUI/src/com/android/systemui/classifier/AnglesVarianceEvaluator.java
index 6883dd0..5f6c1b7 100644
--- a/packages/SystemUI/src/com/android/systemui/classifier/AnglesVarianceEvaluator.java
+++ b/packages/SystemUI/src/com/android/systemui/classifier/AnglesVarianceEvaluator.java
@@ -20,8 +20,6 @@
     public static float evaluate(float value, int type) {
         final boolean secureUnlock = type == Classifier.BOUNCER_UNLOCK;
         float evaluation = 0.0f;
-        if (value > 0.05) evaluation++;
-        if (value > 0.10) evaluation++;
         if (value > 0.20) evaluation++;
         if (value > 0.40 && !secureUnlock) evaluation++;
         if (value > 0.80 && !secureUnlock) evaluation++;
diff --git a/packages/SystemUI/src/com/android/systemui/classifier/SpeedAnglesClassifier.java b/packages/SystemUI/src/com/android/systemui/classifier/SpeedAnglesClassifier.java
index 6df72b1..66f0cf6 100644
--- a/packages/SystemUI/src/com/android/systemui/classifier/SpeedAnglesClassifier.java
+++ b/packages/SystemUI/src/com/android/systemui/classifier/SpeedAnglesClassifier.java
@@ -16,6 +16,8 @@
 
 package com.android.systemui.classifier;
 
+import android.os.Build;
+import android.os.SystemProperties;
 import android.view.MotionEvent;
 
 import java.util.ArrayList;
@@ -34,6 +36,10 @@
  * should be in this interval.
  */
 public class SpeedAnglesClassifier extends StrokeClassifier {
+    public static final boolean VERBOSE = SystemProperties.getBoolean("debug.falsing_log.spd_ang",
+            Build.IS_DEBUGGABLE);
+    public static final String TAG = "SPD_ANG";
+
     private HashMap<Stroke, Data> mStrokeMap = new HashMap<>();
 
     public SpeedAnglesClassifier(ClassifierData classifierData) {
@@ -42,7 +48,7 @@
 
     @Override
     public String getTag() {
-        return "SPD_ANG";
+        return TAG;
     }
 
     @Override
@@ -135,14 +141,24 @@
         }
 
         public float getAnglesVariance() {
-            return mSumSquares / mCount - (mSum / mCount) * (mSum / mCount);
+            final float v = mSumSquares / mCount - (mSum / mCount) * (mSum / mCount);
+            if (VERBOSE) {
+                FalsingLog.i(TAG, "getAnglesVariance: sum^2=" + mSumSquares
+                        + " count=" + mCount + " result=" + v);
+            }
+            return v;
         }
 
         public float getAnglesPercentage() {
             if (mAnglesCount == 0.0f) {
                 return 1.0f;
             }
-            return (mAcceleratingAngles) / mAnglesCount;
+            final float v = (mAcceleratingAngles) / mAnglesCount;
+            if (VERBOSE) {
+                FalsingLog.i(TAG, "getAnglesPercentage: angles=" + mAcceleratingAngles
+                        + " count=" + mAnglesCount + " result=" + v);
+            }
+            return v;
         }
     }
 }
\ No newline at end of file
diff --git a/packages/SystemUI/src/com/android/systemui/power/PowerNotificationWarnings.java b/packages/SystemUI/src/com/android/systemui/power/PowerNotificationWarnings.java
index 49b00ce..a70b358 100644
--- a/packages/SystemUI/src/com/android/systemui/power/PowerNotificationWarnings.java
+++ b/packages/SystemUI/src/com/android/systemui/power/PowerNotificationWarnings.java
@@ -229,10 +229,11 @@
                         // Bump the notification when the bucket dropped.
                         .setWhen(mWarningTriggerTimeMs)
                         .setShowWhen(false)
-                        .setContentTitle(title)
                         .setContentText(contentText)
+                        .setContentTitle(title)
                         .setOnlyAlertOnce(true)
                         .setDeleteIntent(pendingBroadcast(ACTION_DISMISSED_WARNING))
+                        .setStyle(new Notification.BigTextStyle().bigText(contentText))
                         .setVisibility(Notification.VISIBILITY_PUBLIC);
         if (hasBatterySettings()) {
             nb.setContentIntent(pendingBroadcast(ACTION_SHOW_BATTERY_SETTINGS));
@@ -483,16 +484,24 @@
         d.setMessage(mContext.getString(R.string.auto_saver_enabled_text,
                 getLowBatteryAutoTriggerDefaultLevel()));
 
-        // Negative == "got it". Just close the dialog. Battery saver has already been enabled.
-        d.setNegativeButton(R.string.auto_saver_okay_action, null);
-        d.setPositiveButton(R.string.open_saver_setting_action, (dialog, which) ->
-                mContext.startActivity(actionBatterySaverSetting));
+        // "Got it". Just close the dialog. Automatic battery has been enabled already.
+        d.setPositiveButton(R.string.auto_saver_okay_action,
+                (dialog, which) -> onAutoSaverEnabledConfirmationClosed());
+
+        // "Settings" -> Opens the battery saver settings activity.
+        d.setNeutralButton(R.string.open_saver_setting_action, (dialog, which) -> {
+            mContext.startActivity(actionBatterySaverSetting);
+            onAutoSaverEnabledConfirmationClosed();
+        });
         d.setShowForAllUsers(true);
-        d.setOnDismissListener((dialog) -> mSaverEnabledConfirmation = null);
+        d.setOnDismissListener((dialog) -> onAutoSaverEnabledConfirmationClosed());
         d.show();
         mSaverEnabledConfirmation = d;
     }
 
+    private void onAutoSaverEnabledConfirmationClosed() {
+        mSaverEnabledConfirmation = null;
+    }
 
     private void setSaverMode(boolean mode, boolean needFirstTimeWarning) {
         BatterySaverUtils.setPowerSaveMode(mContext, mode, needFirstTimeWarning);
diff --git a/packages/SystemUI/src/com/android/systemui/qs/customize/CustomizeTileView.java b/packages/SystemUI/src/com/android/systemui/qs/customize/CustomizeTileView.java
index eb95866..20e3cee 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/customize/CustomizeTileView.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/customize/CustomizeTileView.java
@@ -44,4 +44,9 @@
     public TextView getAppLabel() {
         return mSecondLine;
     }
+
+    @Override
+    protected boolean animationsEnabled() {
+        return false;
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSIconViewImpl.java b/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSIconViewImpl.java
index 862a6a4..e7e756f 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSIconViewImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSIconViewImpl.java
@@ -159,13 +159,13 @@
         return getColorForState(getContext(), state);
     }
 
-    public static void animateGrayScale(int fromColor, int toColor, ImageView iv,
-            final Runnable endRunnable) {
+    private void animateGrayScale(int fromColor, int toColor, ImageView iv,
+        final Runnable endRunnable) {
         if (iv instanceof AlphaControlledSlashImageView) {
             ((AlphaControlledSlashImageView)iv)
                     .setFinalImageTintList(ColorStateList.valueOf(toColor));
         }
-        if (ValueAnimator.areAnimatorsEnabled()) {
+        if (mAnimationEnabled && ValueAnimator.areAnimatorsEnabled()) {
             final float fromAlpha = Color.alpha(fromColor);
             final float toAlpha = Color.alpha(toColor);
             final float fromChannel = Color.red(fromColor);
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSTileBaseView.java b/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSTileBaseView.java
index 09d928f..cc60f87 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSTileBaseView.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tileimpl/QSTileBaseView.java
@@ -179,7 +179,7 @@
     protected void handleStateChanged(QSTile.State state) {
         int circleColor = getCircleColor(state.state);
         if (circleColor != mCircleColor) {
-            if (mBg.isShown()) {
+            if (mBg.isShown() && animationsEnabled()) {
                 ValueAnimator animator = ValueAnimator.ofArgb(mCircleColor, circleColor)
                         .setDuration(QS_ANIM_LENGTH);
                 animator.addUpdateListener(animation -> mBg.setImageTintList(ColorStateList.valueOf(
@@ -205,6 +205,10 @@
         }
     }
 
+    protected boolean animationsEnabled() {
+        return true;
+    }
+
     private int getCircleColor(int state) {
         switch (state) {
             case Tile.STATE_ACTIVE:
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/AppOpsListener.java b/packages/SystemUI/src/com/android/systemui/statusbar/AppOpsListener.java
index 2ec78cf..019c680 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/AppOpsListener.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/AppOpsListener.java
@@ -62,7 +62,7 @@
     public void onOpActiveChanged(int code, int uid, String packageName, boolean active) {
         mFsc.onAppOpChanged(code, uid, packageName, active);
         mPresenter.getHandler().post(() -> {
-          mEntryManager.updateNotificationsForAppOps(code, uid, packageName, active);
+          mEntryManager.updateNotificationsForAppOp(code, uid, packageName, active);
         });
     }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java
index 4b6ab64..ab46b39 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java
@@ -383,8 +383,6 @@
         }
         mGroupManager.onEntryAdded(entry);
 
-        updateAppOps(entry);
-
         updateRankingAndSort(mRankingMap);
     }
 
@@ -403,25 +401,14 @@
         updateRankingAndSort(ranking);
     }
 
-    private void updateAppOps(Entry entry) {
-        final int uid = entry.notification.getUid();
-        final String pkg = entry.notification.getPackageName();
-        ArraySet<Integer> activeOps = mFsc.getAppOps(entry.notification.getUserId(), pkg);
-        if (activeOps != null) {
-            int N = activeOps.size();
-            for (int i = 0; i < N; i++) {
-                updateAppOp(activeOps.valueAt(i), uid, pkg, true);
-            }
-        }
-    }
-
-    public void updateAppOp(int appOp, int uid, String pkg, boolean showIcon) {
+    public void updateAppOp(int appOp, int uid, String pkg, String key, boolean showIcon) {
         synchronized (mEntries) {
             final int N = mEntries.size();
             for (int i = 0; i < N; i++) {
                 Entry entry = mEntries.valueAt(i);
                 if (uid == entry.notification.getUid()
-                    && pkg.equals(entry.notification.getPackageName())) {
+                        && pkg.equals(entry.notification.getPackageName())
+                        && key.equals(entry.key)) {
                     if (showIcon) {
                         entry.mActiveAppOps.add(appOp);
                     } else {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationEntryManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationEntryManager.java
index 45df450..849cfdd 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationEntryManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationEntryManager.java
@@ -43,6 +43,7 @@
 import android.view.View;
 import android.view.ViewGroup;
 
+import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.logging.MetricsLogger;
 import com.android.internal.statusbar.IStatusBarService;
 import com.android.internal.util.NotificationMessagingUtil;
@@ -665,6 +666,7 @@
         }
         // Add the expanded view and icon.
         mNotificationData.add(entry);
+        tagForeground(entry.notification);
         updateNotifications();
     }
 
@@ -726,6 +728,19 @@
         mPendingNotifications.put(key, shadeEntry);
     }
 
+    @VisibleForTesting
+    protected void tagForeground(StatusBarNotification notification) {
+        ArraySet<Integer> activeOps = mForegroundServiceController.getAppOps(
+                notification.getUserId(), notification.getPackageName());
+        if (activeOps != null) {
+            int N = activeOps.size();
+            for (int i = 0; i < N; i++) {
+                updateNotificationsForAppOp(activeOps.valueAt(i), notification.getUid(),
+                        notification.getPackageName(), true);
+            }
+        }
+    }
+
     @Override
     public void addNotification(StatusBarNotification notification,
             NotificationListenerService.RankingMap ranking) {
@@ -736,10 +751,11 @@
         }
     }
 
-    public void updateNotificationsForAppOps(int appOp, int uid, String pkg, boolean showIcon) {
-        if (mForegroundServiceController.getStandardLayoutKey(
-                UserHandle.getUserId(uid), pkg) != null) {
-            mNotificationData.updateAppOp(appOp, uid, pkg, showIcon);
+    public void updateNotificationsForAppOp(int appOp, int uid, String pkg, boolean showIcon) {
+        String foregroundKey = mForegroundServiceController.getStandardLayoutKey(
+                UserHandle.getUserId(uid), pkg);
+        if (foregroundKey != null) {
+            mNotificationData.updateAppOp(appOp, uid, pkg, foregroundKey, showIcon);
             updateNotifications();
         }
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/CollapsedStatusBarFragment.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/CollapsedStatusBarFragment.java
index 75b31c5..9fcb090 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/CollapsedStatusBarFragment.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/CollapsedStatusBarFragment.java
@@ -14,6 +14,7 @@
 
 package com.android.systemui.statusbar.phone;
 
+import static android.app.StatusBarManager.DISABLE_CLOCK;
 import static android.app.StatusBarManager.DISABLE_NOTIFICATION_ICONS;
 import static android.app.StatusBarManager.DISABLE_SYSTEM_INFO;
 
@@ -96,6 +97,7 @@
         mSystemIconArea = mStatusBar.findViewById(R.id.system_icon_area);
         mClockView = mStatusBar.findViewById(R.id.clock);
         showSystemIconArea(false);
+        showClock(false);
         initEmergencyCryptkeeperText();
         initOperatorName();
     }
@@ -163,6 +165,13 @@
                 showNotificationIconArea(animate);
             }
         }
+        if ((diff1 & DISABLE_CLOCK) != 0) {
+            if ((state1 & DISABLE_CLOCK) != 0) {
+                hideClock(animate);
+            } else {
+                showClock(animate);
+            }
+        }
     }
 
     protected int adjustDisableFlags(int state) {
@@ -171,6 +180,7 @@
                 && shouldHideNotificationIcons()) {
             state |= DISABLE_NOTIFICATION_ICONS;
             state |= DISABLE_SYSTEM_INFO;
+            state |= DISABLE_CLOCK;
         }
         if (mNetworkController != null && EncryptionHelper.IS_DATA_ENCRYPTED) {
             if (mNetworkController.hasEmergencyCryptKeeperText()) {
@@ -195,11 +205,17 @@
 
     public void hideSystemIconArea(boolean animate) {
         animateHide(mSystemIconArea, animate);
-        animateHide(mClockView, animate);
     }
 
     public void showSystemIconArea(boolean animate) {
         animateShow(mSystemIconArea, animate);
+    }
+
+    public void hideClock(boolean animate) {
+        animateHide(mClockView, animate);
+    }
+
+    public void showClock(boolean animate) {
         animateShow(mClockView, animate);
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarTransitions.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarTransitions.java
index 12bdfc6..a7d5aca 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarTransitions.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBarTransitions.java
@@ -43,10 +43,9 @@
     }
 
     public void init() {
-        mLeftSide = mView.findViewById(R.id.notification_icon_area);
+        mLeftSide = mView.findViewById(R.id.status_bar_left_side);
         mStatusIcons = mView.findViewById(R.id.statusIcons);
         mBattery = mView.findViewById(R.id.battery);
-        mClock = mView.findViewById(R.id.clock);
         applyModeBackground(-1, getMode(), false /*animate*/);
         applyMode(getMode(), false /*animate*/);
     }
@@ -89,8 +88,7 @@
             anims.playTogether(
                     animateTransitionTo(mLeftSide, newAlpha),
                     animateTransitionTo(mStatusIcons, newAlpha),
-                    animateTransitionTo(mBattery, newAlphaBC),
-                    animateTransitionTo(mClock, newAlphaBC)
+                    animateTransitionTo(mBattery, newAlphaBC)
                     );
             if (isLightsOut(mode)) {
                 anims.setDuration(LIGHTS_OUT_DURATION);
@@ -101,7 +99,6 @@
             mLeftSide.setAlpha(newAlpha);
             mStatusIcons.setAlpha(newAlpha);
             mBattery.setAlpha(newAlphaBC);
-            mClock.setAlpha(newAlphaBC);
         }
     }
 }
\ No newline at end of file
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimController.java
index 2c025b5..28f3162 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/ScrimController.java
@@ -807,7 +807,7 @@
     @VisibleForTesting
     protected WakeLock createWakeLock() {
          return new DelayedWakeLock(getHandler(),
-                WakeLock.createPartial(mContext, "Doze"));
+                WakeLock.createPartial(mContext, "Scrims"));
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
index 750d2a5..f7a97be 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
@@ -1425,11 +1425,15 @@
     }
 
     public void addQsTile(ComponentName tile) {
-        mQSPanel.getHost().addTile(tile);
+        if (mQSPanel.getHost() != null) {
+            mQSPanel.getHost().addTile(tile);
+        }
     }
 
     public void remQsTile(ComponentName tile) {
-        mQSPanel.getHost().removeTile(tile);
+        if (mQSPanel.getHost() != null) {
+            mQSPanel.getHost().removeTile(tile);
+        }
     }
 
     public void clickTile(ComponentName tile) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/SystemUIDialog.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/SystemUIDialog.java
index 378dad7..6a8d3a5 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/SystemUIDialog.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/SystemUIDialog.java
@@ -69,6 +69,10 @@
         setButton(BUTTON_NEGATIVE, mContext.getString(resId), onClick);
     }
 
+    public void setNeutralButton(int resId, OnClickListener onClick) {
+        setButton(BUTTON_NEUTRAL, mContext.getString(resId), onClick);
+    }
+
     public static void setShowForAllUsers(Dialog dialog, boolean show) {
         if (show) {
             dialog.getWindow().getAttributes().privateFlags |=
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java
index 78dab77..2fed3fc 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/KeyButtonView.java
@@ -52,6 +52,7 @@
 import com.android.systemui.shared.system.ActivityManagerWrapper;
 import com.android.systemui.statusbar.VibratorHelper;
 
+import static android.view.KeyEvent.KEYCODE_HOME;
 import static android.view.accessibility.AccessibilityNodeInfo.ACTION_CLICK;
 import static android.view.accessibility.AccessibilityNodeInfo.ACTION_LONG_CLICK;
 import static com.android.systemui.shared.system.NavigationBarCompat.QUICK_SCRUB_TOUCH_SLOP_PX;
@@ -274,8 +275,12 @@
                 if (mCode != 0) {
                     if (doIt) {
                         // If there was a pending remote recents animation, then we need to
-                        // cancel the animation now before we handle the button itself
-                        ActivityManagerWrapper.getInstance().cancelRecentsAnimation();
+                        // cancel the animation now before we handle the button itself. In the case
+                        // where we are going home and the recents animation has already started,
+                        // just cancel the recents animation, leaving the home stack in place
+                        boolean isHomeKey = mCode == KEYCODE_HOME;
+                        ActivityManagerWrapper.getInstance().cancelRecentsAnimation(!isHomeKey);
+
                         sendEvent(KeyEvent.ACTION_UP, 0);
                         sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_CLICKED);
                     } else {
diff --git a/packages/SystemUI/src/com/android/systemui/util/wakelock/DelayedWakeLock.java b/packages/SystemUI/src/com/android/systemui/util/wakelock/DelayedWakeLock.java
index 5ec3dff..e1814098 100644
--- a/packages/SystemUI/src/com/android/systemui/util/wakelock/DelayedWakeLock.java
+++ b/packages/SystemUI/src/com/android/systemui/util/wakelock/DelayedWakeLock.java
@@ -23,7 +23,7 @@
  */
 public class DelayedWakeLock implements WakeLock {
 
-    private static final long RELEASE_DELAY_MS = 120;
+    private static final long RELEASE_DELAY_MS = 240;
 
     private final Handler mHandler;
     private final WakeLock mInner;
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/AppOpsListenerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/AppOpsListenerTest.java
index 2a48c4b..dc0e2b0 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/AppOpsListenerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/AppOpsListenerTest.java
@@ -86,7 +86,7 @@
         mListener.onOpActiveChanged(
                 AppOpsManager.OP_RECORD_AUDIO, TEST_UID, TEST_PACKAGE_NAME, true);
         waitForIdleSync(mHandler);
-        verify(mEntryManager, times(1)).updateNotificationsForAppOps(
+        verify(mEntryManager, times(1)).updateNotificationsForAppOp(
                 AppOpsManager.OP_RECORD_AUDIO, TEST_UID, TEST_PACKAGE_NAME, true);
     }
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationDataTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationDataTest.java
index 5e27fde..5ec77ac 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationDataTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationDataTest.java
@@ -139,32 +139,7 @@
         Assert.assertTrue(mRow.getEntry().channel != null);
     }
 
-    @Test
-    public void testAdd_appOpsAdded() {
-        ArraySet<Integer> expected = new ArraySet<>();
-        expected.add(3);
-        expected.add(235);
-        expected.add(1);
-        when(mFsc.getAppOps(mRow.getEntry().notification.getUserId(),
-                mRow.getEntry().notification.getPackageName())).thenReturn(expected);
 
-        mNotificationData.add(mRow.getEntry());
-        assertEquals(expected.size(),
-                mNotificationData.get(mRow.getEntry().key).mActiveAppOps.size());
-        for (int op : expected) {
-            assertTrue(" entry missing op " + op,
-                    mNotificationData.get(mRow.getEntry().key).mActiveAppOps.contains(op));
-        }
-    }
-
-    @Test
-    public void testAdd_noExistingAppOps() {
-        when(mFsc.getAppOps(mRow.getEntry().notification.getUserId(),
-                mRow.getEntry().notification.getPackageName())).thenReturn(null);
-
-        mNotificationData.add(mRow.getEntry());
-        assertEquals(0, mNotificationData.get(mRow.getEntry().key).mActiveAppOps.size());
-    }
 
     @Test
     public void testAllRelevantNotisTaggedWithAppOps() throws Exception {
@@ -181,7 +156,9 @@
 
         for (int op : expectedOps) {
             mNotificationData.updateAppOp(op, NotificationTestHelper.UID,
-                    NotificationTestHelper.PKG, true);
+                    NotificationTestHelper.PKG, mRow.getEntry().key, true);
+            mNotificationData.updateAppOp(op, NotificationTestHelper.UID,
+                    NotificationTestHelper.PKG, row2.getEntry().key, true);
         }
         for (int op : expectedOps) {
             assertTrue(mRow.getEntry().key + " doesn't have op " + op,
@@ -205,12 +182,12 @@
 
         for (int op : expectedOps) {
             mNotificationData.updateAppOp(op, NotificationTestHelper.UID,
-                    NotificationTestHelper.PKG, true);
+                    NotificationTestHelper.PKG, row2.getEntry().key, true);
         }
 
         expectedOps.remove(OP_ACCEPT_HANDOVER);
         mNotificationData.updateAppOp(OP_ACCEPT_HANDOVER, NotificationTestHelper.UID,
-                NotificationTestHelper.PKG, false);
+                NotificationTestHelper.PKG, row2.getEntry().key, false);
 
         assertTrue(mRow.getEntry().key + " doesn't have op " + OP_CAMERA,
                 mNotificationData.get(mRow.getEntry().key).mActiveAppOps.contains(OP_CAMERA));
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationEntryManagerTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationEntryManagerTest.java
index 3703d6a..7cfd7a3 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationEntryManagerTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/NotificationEntryManagerTest.java
@@ -37,18 +37,15 @@
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.content.Context;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageManager;
-import android.os.Bundle;
 import android.os.Handler;
 import android.os.Looper;
 import android.os.UserHandle;
 import android.service.notification.NotificationListenerService;
-import android.service.notification.NotificationRankingUpdate;
 import android.service.notification.StatusBarNotification;
 import android.support.test.filters.SmallTest;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
+import android.util.ArraySet;
 import android.widget.FrameLayout;
 
 import com.android.internal.logging.MetricsLogger;
@@ -56,12 +53,13 @@
 import com.android.systemui.ForegroundServiceController;
 import com.android.systemui.R;
 import com.android.systemui.SysuiTestCase;
-import com.android.systemui.UiOffloadThread;
 import com.android.systemui.statusbar.notification.VisualStabilityManager;
 import com.android.systemui.statusbar.phone.NotificationGroupManager;
 import com.android.systemui.statusbar.policy.DeviceProvisionedController;
 import com.android.systemui.statusbar.policy.HeadsUpManager;
 
+import junit.framework.Assert;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -285,13 +283,12 @@
         com.android.systemui.util.Assert.isNotMainThread();
 
         when(mForegroundServiceController.getStandardLayoutKey(anyInt(), anyString()))
-                .thenReturn("something");
+                .thenReturn(mEntry.key);
         mEntry.row = mRow;
         mEntryManager.getNotificationData().add(mEntry);
 
-
         mHandler.post(() -> {
-            mEntryManager.updateNotificationsForAppOps(
+            mEntryManager.updateNotificationsForAppOp(
                     AppOpsManager.OP_CAMERA, mEntry.notification.getUid(),
                     mEntry.notification.getPackageName(), true);
         });
@@ -309,10 +306,65 @@
         when(mForegroundServiceController.getStandardLayoutKey(anyInt(), anyString()))
                 .thenReturn(null);
         mHandler.post(() -> {
-            mEntryManager.updateNotificationsForAppOps(AppOpsManager.OP_CAMERA, 1000, "pkg", true);
+            mEntryManager.updateNotificationsForAppOp(AppOpsManager.OP_CAMERA, 1000, "pkg", true);
         });
         waitForIdleSync(mHandler);
 
         verify(mPresenter, never()).updateNotificationViews();
     }
+
+    @Test
+    public void testAddNotificationExistingAppOps() {
+        mEntry.row = mRow;
+        mEntryManager.getNotificationData().add(mEntry);
+        ArraySet<Integer> expected = new ArraySet<>();
+        expected.add(3);
+        expected.add(235);
+        expected.add(1);
+
+        when(mForegroundServiceController.getAppOps(mEntry.notification.getUserId(),
+                mEntry.notification.getPackageName())).thenReturn(expected);
+        when(mForegroundServiceController.getStandardLayoutKey(
+                mEntry.notification.getUserId(),
+                mEntry.notification.getPackageName())).thenReturn(mEntry.key);
+
+        mEntryManager.tagForeground(mEntry.notification);
+
+        Assert.assertEquals(expected.size(), mEntry.mActiveAppOps.size());
+        for (int op : expected) {
+            assertTrue("Entry missing op " + op, mEntry.mActiveAppOps.contains(op));
+        }
+    }
+
+    @Test
+    public void testAdd_noExistingAppOps() {
+        mEntry.row = mRow;
+        mEntryManager.getNotificationData().add(mEntry);
+        when(mForegroundServiceController.getStandardLayoutKey(
+                mEntry.notification.getUserId(),
+                mEntry.notification.getPackageName())).thenReturn(mEntry.key);
+        when(mForegroundServiceController.getAppOps(mEntry.notification.getUserId(),
+                mEntry.notification.getPackageName())).thenReturn(null);
+
+        mEntryManager.tagForeground(mEntry.notification);
+        Assert.assertEquals(0, mEntry.mActiveAppOps.size());
+    }
+
+    @Test
+    public void testAdd_existingAppOpsNotForegroundNoti() {
+        mEntry.row = mRow;
+        mEntryManager.getNotificationData().add(mEntry);
+        ArraySet<Integer> ops = new ArraySet<>();
+        ops.add(3);
+        ops.add(235);
+        ops.add(1);
+        when(mForegroundServiceController.getAppOps(mEntry.notification.getUserId(),
+                mEntry.notification.getPackageName())).thenReturn(ops);
+        when(mForegroundServiceController.getStandardLayoutKey(
+                mEntry.notification.getUserId(),
+                mEntry.notification.getPackageName())).thenReturn("something else");
+
+        mEntryManager.tagForeground(mEntry.notification);
+        Assert.assertEquals(0, mEntry.mActiveAppOps.size());
+    }
 }
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/CollapsedStatusBarFragmentTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/CollapsedStatusBarFragmentTest.java
index 2edcd01..9e8fa22 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/CollapsedStatusBarFragmentTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/CollapsedStatusBarFragmentTest.java
@@ -89,15 +89,11 @@
 
         assertEquals(View.INVISIBLE, mFragment.getView().findViewById(R.id.system_icon_area)
                 .getVisibility());
-        assertEquals(View.INVISIBLE, mFragment.getView().findViewById(R.id.clock)
-                .getVisibility());
 
         fragment.disable(0, 0, false);
 
         assertEquals(View.VISIBLE, mFragment.getView().findViewById(R.id.system_icon_area)
                 .getVisibility());
-        assertEquals(View.VISIBLE, mFragment.getView().findViewById(R.id.clock)
-                .getVisibility());
     }
 
     @Test
@@ -115,4 +111,20 @@
 
         Mockito.verify(mNotificationAreaInner, atLeast(1)).setVisibility(eq(View.VISIBLE));
     }
+
+    @Test
+    public void testDisableClock() throws Exception {
+        mFragments.dispatchResume();
+        processAllMessages();
+
+        CollapsedStatusBarFragment fragment = (CollapsedStatusBarFragment) mFragment;
+        fragment.initNotificationIconArea(mMockNotificiationAreaController);
+        fragment.disable(StatusBarManager.DISABLE_CLOCK, 0, false);
+
+        assertEquals(View.INVISIBLE, mFragment.getView().findViewById(R.id.clock).getVisibility());
+
+        fragment.disable(0, 0, false);
+
+        assertEquals(View.VISIBLE, mFragment.getView().findViewById(R.id.clock).getVisibility());
+    }
 }
diff --git a/services/core/java/com/android/server/LocationManagerService.java b/services/core/java/com/android/server/LocationManagerService.java
index 26b83f5..fb5fba0 100644
--- a/services/core/java/com/android/server/LocationManagerService.java
+++ b/services/core/java/com/android/server/LocationManagerService.java
@@ -1344,13 +1344,7 @@
      * @param provider the name of the location provider
      */
     private boolean isAllowedByCurrentUserSettingsLocked(String provider) {
-        if (mEnabledProviders.contains(provider)) {
-            return true;
-        }
-        if (mDisabledProviders.contains(provider)) {
-            return false;
-        }
-        return isLocationProviderEnabledForUser(provider, mCurrentUserId);
+        return isAllowedByUserSettingsLockedForUser(provider, mCurrentUserId);
     }
 
     /**
@@ -1359,13 +1353,33 @@
      * processes belonging to background users.
      *
      * @param provider the name of the location provider
-     * @param uid      the requestor's UID
+     * @param userId   the user id to query
      */
-    private boolean isAllowedByUserSettingsLocked(String provider, int uid) {
+    private boolean isAllowedByUserSettingsLockedForUser(String provider, int userId) {
+        if (mEnabledProviders.contains(provider)) {
+            return true;
+        }
+        if (mDisabledProviders.contains(provider)) {
+            return false;
+        }
+        return isLocationProviderEnabledForUser(provider, userId);
+    }
+
+
+    /**
+     * Returns "true" if access to the specified location provider is allowed by the specified
+     * user's settings. Access to all location providers is forbidden to non-location-provider
+     * processes belonging to background users.
+     *
+     * @param provider the name of the location provider
+     * @param uid      the requestor's UID
+     * @param userId   the user id to query
+     */
+    private boolean isAllowedByUserSettingsLocked(String provider, int uid, int userId) {
         if (!isCurrentProfile(UserHandle.getUserId(uid)) && !isUidALocationProvider(uid)) {
             return false;
         }
-        return isAllowedByCurrentUserSettingsLocked(provider);
+        return isAllowedByUserSettingsLockedForUser(provider, userId);
     }
 
     /**
@@ -1572,7 +1586,8 @@
                         continue;
                     }
                     if (allowedResolutionLevel >= getMinimumResolutionLevelForProviderUse(name)) {
-                        if (enabledOnly && !isAllowedByUserSettingsLocked(name, uid)) {
+                        if (enabledOnly
+                                && !isAllowedByUserSettingsLocked(name, uid, mCurrentUserId)) {
                             continue;
                         }
                         if (criteria != null && !LocationProvider.propertiesMeetCriteria(
@@ -2098,7 +2113,7 @@
             oldRecord.disposeLocked(false);
         }
 
-        boolean isProviderEnabled = isAllowedByUserSettingsLocked(name, uid);
+        boolean isProviderEnabled = isAllowedByUserSettingsLocked(name, uid, mCurrentUserId);
         if (isProviderEnabled) {
             applyRequirementsLocked(name);
         } else {
@@ -2219,7 +2234,7 @@
                 LocationProviderInterface provider = mProvidersByName.get(name);
                 if (provider == null) return null;
 
-                if (!isAllowedByUserSettingsLocked(name, uid)) return null;
+                if (!isAllowedByUserSettingsLocked(name, uid, mCurrentUserId)) return null;
 
                 Location location;
                 if (allowedResolutionLevel < RESOLUTION_LEVEL_FINE) {
@@ -2540,6 +2555,173 @@
     }
 
     /**
+     *  Returns the current location enabled/disabled status for a user
+     *
+     *  @param userId the id of the user
+     *  @return true if location is enabled
+     */
+    @Override
+    public boolean isLocationEnabledForUser(int userId) {
+        // Check INTERACT_ACROSS_USERS permission if userId is not current user id.
+        checkInteractAcrossUsersPermission(userId);
+
+        long identity = Binder.clearCallingIdentity();
+        try {
+            synchronized (mLock) {
+                final String allowedProviders = Settings.Secure.getStringForUser(
+                        mContext.getContentResolver(),
+                        Settings.Secure.LOCATION_PROVIDERS_ALLOWED,
+                        userId);
+                if (allowedProviders == null) {
+                    return false;
+                }
+                final List<String> providerList = Arrays.asList(allowedProviders.split(","));
+                for(String provider : mRealProviders.keySet()) {
+                    if (provider.equals(LocationManager.PASSIVE_PROVIDER)
+                            || provider.equals(LocationManager.FUSED_PROVIDER)) {
+                        continue;
+                    }
+                    if (providerList.contains(provider)) {
+                        return true;
+                    }
+                }
+                return false;
+            }
+        } finally {
+            Binder.restoreCallingIdentity(identity);
+        }
+    }
+
+    /**
+     *  Enable or disable location for a user
+     *
+     *  @param enabled true to enable location, false to disable location
+     *  @param userId the id of the user
+     */
+    @Override
+    public void setLocationEnabledForUser(boolean enabled, int userId) {
+        mContext.enforceCallingPermission(
+            android.Manifest.permission.WRITE_SECURE_SETTINGS,
+            "Requires WRITE_SECURE_SETTINGS permission");
+
+        // Check INTERACT_ACROSS_USERS permission if userId is not current user id.
+        checkInteractAcrossUsersPermission(userId);
+
+        long identity = Binder.clearCallingIdentity();
+        try {
+            synchronized (mLock) {
+                final Set<String> allRealProviders = mRealProviders.keySet();
+                // Update all providers on device plus gps and network provider when disabling
+                // location
+                Set<String> allProvidersSet = new ArraySet<>(allRealProviders.size() + 2);
+                allProvidersSet.addAll(allRealProviders);
+                // When disabling location, disable gps and network provider that could have been
+                // enabled by location mode api.
+                if (enabled == false) {
+                    allProvidersSet.add(LocationManager.GPS_PROVIDER);
+                    allProvidersSet.add(LocationManager.NETWORK_PROVIDER);
+                }
+                if (allProvidersSet.isEmpty()) {
+                    return;
+                }
+                // to ensure thread safety, we write the provider name with a '+' or '-'
+                // and let the SettingsProvider handle it rather than reading and modifying
+                // the list of enabled providers.
+                final String prefix = enabled ? "+" : "-";
+                StringBuilder locationProvidersAllowed = new StringBuilder();
+                for (String provider : allProvidersSet) {
+                    if (provider.equals(LocationManager.PASSIVE_PROVIDER)
+                            || provider.equals(LocationManager.FUSED_PROVIDER)) {
+                        continue;
+                    }
+                    locationProvidersAllowed.append(prefix);
+                    locationProvidersAllowed.append(provider);
+                    locationProvidersAllowed.append(",");
+                }
+                // Remove the trailing comma
+                locationProvidersAllowed.setLength(locationProvidersAllowed.length() - 1);
+                Settings.Secure.putStringForUser(
+                        mContext.getContentResolver(),
+                        Settings.Secure.LOCATION_PROVIDERS_ALLOWED,
+                        locationProvidersAllowed.toString(),
+                        userId);
+            }
+        } finally {
+            Binder.restoreCallingIdentity(identity);
+        }
+    }
+
+    /**
+     *  Returns the current enabled/disabled status of a location provider and user
+     *
+     *  @param provider name of the provider
+     *  @param userId the id of the user
+     *  @return true if the provider exists and is enabled
+     */
+    @Override
+    public boolean isProviderEnabledForUser(String provider, int userId) {
+        // Check INTERACT_ACROSS_USERS permission if userId is not current user id.
+        checkInteractAcrossUsersPermission(userId);
+
+        // Fused provider is accessed indirectly via criteria rather than the provider-based APIs,
+        // so we discourage its use
+        if (LocationManager.FUSED_PROVIDER.equals(provider)) return false;
+
+        int uid = Binder.getCallingUid();
+        synchronized (mLock) {
+            LocationProviderInterface p = mProvidersByName.get(provider);
+            return p != null
+                    && isAllowedByUserSettingsLocked(provider, uid, userId);
+        }
+    }
+
+    /**
+     * Enable or disable a single location provider.
+     *
+     * @param provider name of the provider
+     * @param enabled true to enable the provider. False to disable the provider
+     * @param userId the id of the user to set
+     * @return true if the value was set, false on errors
+     */
+    @Override
+    public boolean setProviderEnabledForUser(String provider, boolean enabled, int userId) {
+        mContext.enforceCallingPermission(
+                android.Manifest.permission.WRITE_SECURE_SETTINGS,
+                "Requires WRITE_SECURE_SETTINGS permission");
+
+        // Check INTERACT_ACROSS_USERS permission if userId is not current user id.
+        checkInteractAcrossUsersPermission(userId);
+
+        // Fused provider is accessed indirectly via criteria rather than the provider-based APIs,
+        // so we discourage its use
+        if (LocationManager.FUSED_PROVIDER.equals(provider)) return false;
+
+        long identity = Binder.clearCallingIdentity();
+        try {
+            synchronized (mLock) {
+                // No such provider exists
+                if (!mProvidersByName.containsKey(provider)) return false;
+
+                // If it is a test provider, do not write to Settings.Secure
+                if (mMockProviders.containsKey(provider)) {
+                    setTestProviderEnabled(provider, enabled);
+                    return true;
+                }
+
+                // to ensure thread safety, we write the provider name with a '+' or '-'
+                // and let the SettingsProvider handle it rather than reading and modifying
+                // the list of enabled providers.
+                String providerChange = (enabled ? "+" : "-") + provider;
+                return Settings.Secure.putStringForUser(
+                        mContext.getContentResolver(), Settings.Secure.LOCATION_PROVIDERS_ALLOWED,
+                        providerChange, userId);
+            }
+        } finally {
+            Binder.restoreCallingIdentity(identity);
+        }
+    }
+
+    /**
      * Read location provider status from Settings.Secure
      *
      * @param provider the location provider to query
@@ -2560,6 +2742,23 @@
     }
 
     /**
+     * Method for checking INTERACT_ACROSS_USERS permission if specified user id is not the same as
+     * current user id
+     *
+     * @param userId the user id to get or set value
+     */
+    private void checkInteractAcrossUsersPermission(int userId) {
+        int uid = Binder.getCallingUid();
+        if (UserHandle.getUserId(uid) != userId) {
+            if (ActivityManager.checkComponentPermission(
+                    android.Manifest.permission.INTERACT_ACROSS_USERS, uid, -1, true)
+                    != PERMISSION_GRANTED) {
+                throw new SecurityException("Requires INTERACT_ACROSS_USERS permission");
+            }
+        }
+    }
+
+    /**
      * Returns "true" if the UID belongs to a bound location provider.
      *
      * @param uid the uid
@@ -3076,7 +3275,11 @@
         if (!canCallerAccessMockLocation(opPackageName)) {
             return;
         }
+        setTestProviderEnabled(provider, enabled);
+    }
 
+    /** Enable or disable a test location provider. */
+    private void setTestProviderEnabled(String provider, boolean enabled) {
         synchronized (mLock) {
             MockProvider mockProvider = mMockProviders.get(provider);
             if (mockProvider == null) {
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index f97c6d6..db52b97 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -204,6 +204,8 @@
 import static android.view.WindowManager.TRANSIT_TASK_IN_PLACE;
 import static android.view.WindowManager.TRANSIT_TASK_OPEN;
 import static android.view.WindowManager.TRANSIT_TASK_TO_FRONT;
+import static com.android.server.wm.RecentsAnimationController.REORDER_MOVE_HOME_TO_ORIGINAL_POSITION;
+import static com.android.server.wm.RecentsAnimationController.REORDER_KEEP_HOME_IN_PLACE;
 import static org.xmlpull.v1.XmlPullParser.END_DOCUMENT;
 import static org.xmlpull.v1.XmlPullParser.START_TAG;
 
@@ -257,7 +259,6 @@
 import android.app.WindowConfiguration.ActivityType;
 import android.app.WindowConfiguration.WindowingMode;
 import android.app.admin.DevicePolicyCache;
-import android.app.admin.DevicePolicyManager;
 import android.app.assist.AssistContent;
 import android.app.assist.AssistStructure;
 import android.app.backup.IBackupManager;
@@ -5238,12 +5239,14 @@
     }
 
     @Override
-    public void cancelRecentsAnimation() {
+    public void cancelRecentsAnimation(boolean restoreHomeStackPosition) {
         enforceCallerIsRecentsOrHasPermission(MANAGE_ACTIVITY_STACKS, "cancelRecentsAnimation()");
         final long origId = Binder.clearCallingIdentity();
         try {
             synchronized (this) {
-                mWindowManager.cancelRecentsAnimation();
+                mWindowManager.cancelRecentsAnimation(restoreHomeStackPosition
+                        ? REORDER_MOVE_HOME_TO_ORIGINAL_POSITION
+                        : REORDER_KEEP_HOME_IN_PLACE);
             }
         } finally {
             Binder.restoreCallingIdentity(origId);
diff --git a/services/core/java/com/android/server/am/RecentsAnimation.java b/services/core/java/com/android/server/am/RecentsAnimation.java
index 9df321c..99337b8 100644
--- a/services/core/java/com/android/server/am/RecentsAnimation.java
+++ b/services/core/java/com/android/server/am/RecentsAnimation.java
@@ -23,6 +23,8 @@
 import static android.os.Trace.TRACE_TAG_ACTIVITY_MANAGER;
 import static android.view.WindowManager.TRANSIT_NONE;
 import static com.android.server.am.ActivityStackSupervisor.PRESERVE_WINDOWS;
+import static com.android.server.wm.RecentsAnimationController.REORDER_MOVE_HOME_TO_ORIGINAL_POSITION;
+import static com.android.server.wm.RecentsAnimationController.REORDER_MOVE_HOME_TO_TOP;
 
 import android.app.ActivityOptions;
 import android.content.ComponentName;
@@ -32,6 +34,7 @@
 import android.os.Trace;
 import android.util.Slog;
 import android.view.IRecentsAnimationRunner;
+import com.android.server.wm.RecentsAnimationController;
 import com.android.server.wm.RecentsAnimationController.RecentsAnimationCallbacks;
 import com.android.server.wm.WindowManagerService;
 
@@ -123,7 +126,7 @@
 
             // Fetch all the surface controls and pass them to the client to get the animation
             // started
-            mWindowManager.cancelRecentsAnimation();
+            mWindowManager.cancelRecentsAnimation(REORDER_MOVE_HOME_TO_ORIGINAL_POSITION);
             mWindowManager.initializeRecentsAnimation(recentsAnimationRunner, this,
                     display.mDisplayId, mStackSupervisor.mRecentTasks.getRecentTaskIds());
 
@@ -140,7 +143,7 @@
     }
 
     @Override
-    public void onAnimationFinished(boolean moveHomeToTop) {
+    public void onAnimationFinished(@RecentsAnimationController.ReorderMode int reorderMode) {
         synchronized (mService) {
             if (mWindowManager.getRecentsAnimationController() == null) return;
 
@@ -151,9 +154,8 @@
                         "RecentsAnimation#onAnimationFinished_inSurfaceTransaction");
                 mWindowManager.deferSurfaceLayout();
                 try {
-                    mWindowManager.cleanupRecentsAnimation(moveHomeToTop);
+                    mWindowManager.cleanupRecentsAnimation(reorderMode);
 
-                    // Move the home stack to the front
                     final ActivityRecord homeActivity = mStackSupervisor.getHomeActivity();
                     if (homeActivity == null) {
                         return;
@@ -162,15 +164,19 @@
                     // Restore the launched-behind state
                     homeActivity.mLaunchTaskBehind = false;
 
-                    if (moveHomeToTop) {
+                    if (reorderMode == REORDER_MOVE_HOME_TO_TOP) {
                         // Bring the home stack to the front
                         final ActivityStack homeStack = homeActivity.getStack();
                         mStackSupervisor.mNoAnimActivities.add(homeActivity);
                         homeStack.moveToFront("RecentsAnimation.onAnimationFinished()");
-                    } else {
+                    } else if (reorderMode == REORDER_MOVE_HOME_TO_ORIGINAL_POSITION){
                         // Restore the home stack to its previous position
                         final ActivityDisplay display = homeActivity.getDisplay();
                         display.moveHomeStackBehindStack(mRestoreHomeBehindStack);
+                    } else {
+                        // Keep home stack in place, nothing changes, so ignore the transition logic
+                        // below
+                        return;
                     }
 
                     mWindowManager.prepareAppTransition(TRANSIT_NONE, false);
@@ -180,6 +186,11 @@
                     // No reason to wait for the pausing activity in this case, as the hiding of
                     // surfaces needs to be done immediately.
                     mWindowManager.executeAppTransition();
+
+                    // After reordering the stacks, reset the minimized state. At this point, either
+                    // home is now top-most and we will stay minimized (if in split-screen), or we
+                    // will have returned to the app, and the minimized state should be reset
+                    mWindowManager.checkSplitScreenMinimizedChanged(true /* animate */);
                 } finally {
                     mWindowManager.continueSurfaceLayout();
                     Trace.traceEnd(TRACE_TAG_ACTIVITY_MANAGER);
diff --git a/services/core/java/com/android/server/audio/AudioService.java b/services/core/java/com/android/server/audio/AudioService.java
index c8b6b50..3e82c25 100644
--- a/services/core/java/com/android/server/audio/AudioService.java
+++ b/services/core/java/com/android/server/audio/AudioService.java
@@ -320,13 +320,13 @@
         0,  // STREAM_SYSTEM
         0,  // STREAM_RING
         0,  // STREAM_MUSIC
-        0,  // STREAM_ALARM
+        1,  // STREAM_ALARM
         0,  // STREAM_NOTIFICATION
         0,  // STREAM_BLUETOOTH_SCO
         0,  // STREAM_SYSTEM_ENFORCED
         0,  // STREAM_DTMF
         0,  // STREAM_TTS
-        0   // STREAM_ACCESSIBILITY
+        1   // STREAM_ACCESSIBILITY
     };
 
     /* mStreamVolumeAlias[] indicates for each stream if it uses the volume settings
@@ -1208,6 +1208,8 @@
                             System.VOLUME_SETTINGS_INT[a11yStreamAlias];
                     mStreamStates[AudioSystem.STREAM_ACCESSIBILITY].setAllIndexes(
                             mStreamStates[a11yStreamAlias], caller);
+                    mStreamStates[AudioSystem.STREAM_ACCESSIBILITY].refreshRange(
+                            mStreamVolumeAlias[AudioSystem.STREAM_ACCESSIBILITY]);
                 }
             }
             if (sIndependentA11yVolume) {
@@ -1389,7 +1391,15 @@
     }
 
     private int rescaleIndex(int index, int srcStream, int dstStream) {
-        return (index * mStreamStates[dstStream].getMaxIndex() + mStreamStates[srcStream].getMaxIndex() / 2) / mStreamStates[srcStream].getMaxIndex();
+        final int rescaled =
+                (index * mStreamStates[dstStream].getMaxIndex()
+                        + mStreamStates[srcStream].getMaxIndex() / 2)
+                / mStreamStates[srcStream].getMaxIndex();
+        if (rescaled < mStreamStates[dstStream].getMinIndex()) {
+            return mStreamStates[dstStream].getMinIndex();
+        } else {
+            return rescaled;
+        }
     }
 
     ///////////////////////////////////////////////////////////////////////////
@@ -4602,8 +4612,8 @@
     //  4       VolumeStreamState.class
     public class VolumeStreamState {
         private final int mStreamType;
-        private final int mIndexMin;
-        private final int mIndexMax;
+        private int mIndexMin;
+        private int mIndexMax;
 
         private boolean mIsMuted;
         private String mVolumeIndexSettingName;
@@ -4889,6 +4899,24 @@
         }
 
         /**
+         * Updates the min/max index values from another stream. Use this when changing the alias
+         * for the current stream type.
+         * @param sourceStreamType
+         */
+        // must be sync'd on mSettingsLock before VolumeStreamState.class
+        @GuardedBy("VolumeStreamState.class")
+        public void refreshRange(int sourceStreamType) {
+            mIndexMin = MIN_STREAM_VOLUME[sourceStreamType] * 10;
+            mIndexMax = MAX_STREAM_VOLUME[sourceStreamType] * 10;
+            // verify all current volumes are within bounds
+            for (int i = 0 ; i < mIndexMap.size(); i++) {
+                final int device = mIndexMap.keyAt(i);
+                final int index = mIndexMap.valueAt(i);
+                mIndexMap.put(device, getValidIndex(index));
+            }
+        }
+
+        /**
          * Copies all device/index pairs from the given VolumeStreamState after initializing
          * them with the volume for DEVICE_OUT_DEFAULT. No-op if the source VolumeStreamState
          * has the same stream type as this instance.
diff --git a/services/core/java/com/android/server/display/BrightnessTracker.java b/services/core/java/com/android/server/display/BrightnessTracker.java
index 88df195..905c7e3 100644
--- a/services/core/java/com/android/server/display/BrightnessTracker.java
+++ b/services/core/java/com/android/server/display/BrightnessTracker.java
@@ -686,10 +686,15 @@
     }
 
     public ParceledListSlice<AmbientBrightnessDayStats> getAmbientBrightnessStats(int userId) {
-        ArrayList<AmbientBrightnessDayStats> stats = mAmbientBrightnessStatsTracker.getUserStats(
-                userId);
-        return (stats != null) ? new ParceledListSlice<>(stats) : new ParceledListSlice<>(
-                Collections.EMPTY_LIST);
+        if (mAmbientBrightnessStatsTracker != null) {
+            ArrayList<AmbientBrightnessDayStats> stats =
+                    mAmbientBrightnessStatsTracker.getUserStats(
+                            userId);
+            if (stats != null) {
+                return new ParceledListSlice<>(stats);
+            }
+        }
+        return ParceledListSlice.emptyList();
     }
 
     // Not allowed to keep the SensorEvent so used to copy the data we care about.
diff --git a/services/core/java/com/android/server/input/InputWindowHandle.java b/services/core/java/com/android/server/input/InputWindowHandle.java
index 3d6f7ad..720eaaa5 100644
--- a/services/core/java/com/android/server/input/InputWindowHandle.java
+++ b/services/core/java/com/android/server/input/InputWindowHandle.java
@@ -92,7 +92,7 @@
     public int inputFeatures;
 
     // Display this input is on.
-    public final int displayId;
+    public int displayId;
 
     private native void nativeDispose();
 
diff --git a/services/core/java/com/android/server/net/watchlist/ReportEncoder.java b/services/core/java/com/android/server/net/watchlist/ReportEncoder.java
index 2a8f4d5..a482e05 100644
--- a/services/core/java/com/android/server/net/watchlist/ReportEncoder.java
+++ b/services/core/java/com/android/server/net/watchlist/ReportEncoder.java
@@ -49,6 +49,7 @@
      * Apply DP on watchlist results, and generate a serialized watchlist report ready to store
      * in DropBox.
      */
+    @Nullable
     static byte[] encodeWatchlistReport(WatchlistConfig config, byte[] userSecret,
             List<String> appDigestList, WatchlistReportDbHelper.AggregatedResult aggregatedResult) {
         Map<String, Boolean> resultMap = PrivacyUtils.createDpEncodedReportMap(
diff --git a/services/core/java/com/android/server/net/watchlist/WatchlistConfig.java b/services/core/java/com/android/server/net/watchlist/WatchlistConfig.java
index d793842..8352ca6 100644
--- a/services/core/java/com/android/server/net/watchlist/WatchlistConfig.java
+++ b/services/core/java/com/android/server/net/watchlist/WatchlistConfig.java
@@ -16,6 +16,7 @@
 
 package com.android.server.net.watchlist;
 
+import android.annotation.Nullable;
 import android.os.FileUtils;
 import android.util.AtomicFile;
 import android.util.Log;
@@ -55,9 +56,6 @@
     private static final String NETWORK_WATCHLIST_DB_FOR_TEST_PATH =
             "/data/misc/network_watchlist/network_watchlist_for_test.xml";
 
-    // Hash for null / unknown config, a 32 byte array filled with content 0x00
-    private static final byte[] UNKNOWN_CONFIG_HASH = new byte[32];
-
     private static class XmlTags {
         private static final String WATCHLIST_CONFIG = "watchlist-config";
         private static final String SHA256_DOMAIN = "sha256-domain";
@@ -228,16 +226,21 @@
         return mIsSecureConfig;
     }
 
+    @Nullable
+    /**
+     * Get watchlist config SHA-256 digest.
+     * Return null if watchlist config does not exist.
+     */
     public byte[] getWatchlistConfigHash() {
         if (!mXmlFile.exists()) {
-            return UNKNOWN_CONFIG_HASH;
+            return null;
         }
         try {
             return DigestUtils.getSha256Hash(mXmlFile);
         } catch (IOException | NoSuchAlgorithmException e) {
             Log.e(TAG, "Unable to get watchlist config hash", e);
         }
-        return UNKNOWN_CONFIG_HASH;
+        return null;
     }
 
     /**
@@ -271,8 +274,10 @@
     }
 
     public void dump(FileDescriptor fd, PrintWriter pw, String[] args) {
-        pw.println("Watchlist config hash: " + HexDump.toHexString(getWatchlistConfigHash()));
+        final byte[] hash = getWatchlistConfigHash();
+        pw.println("Watchlist config hash: " + (hash != null ? HexDump.toHexString(hash) : null));
         pw.println("Domain CRC32 digest list:");
+        // mDomainDigests won't go from non-null to null so it's safe
         if (mDomainDigests != null) {
             mDomainDigests.crc32Digests.dump(fd, pw, args);
         }
@@ -281,6 +286,7 @@
             mDomainDigests.sha256Digests.dump(fd, pw, args);
         }
         pw.println("Ip CRC32 digest list:");
+        // mIpDigests won't go from non-null to null so it's safe
         if (mIpDigests != null) {
             mIpDigests.crc32Digests.dump(fd, pw, args);
         }
diff --git a/services/core/java/com/android/server/net/watchlist/WatchlistLoggingHandler.java b/services/core/java/com/android/server/net/watchlist/WatchlistLoggingHandler.java
index b331b9c..864ce5d 100644
--- a/services/core/java/com/android/server/net/watchlist/WatchlistLoggingHandler.java
+++ b/services/core/java/com/android/server/net/watchlist/WatchlistLoggingHandler.java
@@ -346,6 +346,7 @@
      * @param ipAddresses Ip address that you want to search in watchlist.
      * @return Ip address that exists in watchlist, null if it does not match anything.
      */
+    @Nullable
     private String searchIpInWatchlist(String[] ipAddresses) {
         for (String ipAddress : ipAddresses) {
             if (isIpInWatchlist(ipAddress)) {
@@ -377,6 +378,7 @@
      * @param host Host that we want to search.
      * @return Domain that exists in watchlist, null if it does not match anything.
      */
+    @Nullable
     private String searchAllSubDomainsInWatchlist(String host) {
         if (host == null) {
             return null;
@@ -392,6 +394,7 @@
 
     /** Get all sub-domains in a host */
     @VisibleForTesting
+    @Nullable
     static String[] getAllSubDomains(String host) {
         if (host == null) {
             return null;
diff --git a/services/core/java/com/android/server/net/watchlist/WatchlistReportDbHelper.java b/services/core/java/com/android/server/net/watchlist/WatchlistReportDbHelper.java
index 632ab81..c69934a 100644
--- a/services/core/java/com/android/server/net/watchlist/WatchlistReportDbHelper.java
+++ b/services/core/java/com/android/server/net/watchlist/WatchlistReportDbHelper.java
@@ -144,6 +144,7 @@
      * Aggregate all records in database before input timestamp, and return a
      * rappor encoded result.
      */
+    @Nullable
     public AggregatedResult getAggregatedRecords(long untilTimestamp) {
         final String selectStatement = WhiteListReportContract.TIMESTAMP + " < ?";
 
diff --git a/services/core/java/com/android/server/net/watchlist/WatchlistSettings.java b/services/core/java/com/android/server/net/watchlist/WatchlistSettings.java
index e20a510..c2f3ba0 100644
--- a/services/core/java/com/android/server/net/watchlist/WatchlistSettings.java
+++ b/services/core/java/com/android/server/net/watchlist/WatchlistSettings.java
@@ -86,7 +86,7 @@
         }
     }
 
-    public void reloadSettings() {
+    private void reloadSettings() {
         if (!mXmlFile.exists()) {
             // No settings config
             return;
diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index f31ca0a..899d271 100644
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -2286,6 +2286,12 @@
         }
 
         @Override
+        public int getBlockedChannelCount(String pkg, int uid) {
+            enforceSystemOrSystemUI("getBlockedChannelCount");
+            return mRankingHelper.getBlockedChannelCount(pkg, uid);
+        }
+
+        @Override
         public ParceledListSlice<NotificationChannelGroup> getNotificationChannelGroupsForPackage(
                 String pkg, int uid, boolean includeDeleted) {
             checkCallerIsSystem();
diff --git a/services/core/java/com/android/server/notification/RankingHelper.java b/services/core/java/com/android/server/notification/RankingHelper.java
index 98d5c9a..43d393a 100644
--- a/services/core/java/com/android/server/notification/RankingHelper.java
+++ b/services/core/java/com/android/server/notification/RankingHelper.java
@@ -15,6 +15,8 @@
  */
 package com.android.server.notification;
 
+import static android.app.NotificationManager.IMPORTANCE_NONE;
+
 import com.android.internal.R;
 import com.android.internal.annotations.VisibleForTesting;
 import com.android.internal.logging.MetricsLogger;
@@ -619,7 +621,7 @@
             updateConfig();
             return;
         }
-        if (channel.getImportance() < NotificationManager.IMPORTANCE_NONE
+        if (channel.getImportance() < IMPORTANCE_NONE
                 || channel.getImportance() > NotificationManager.IMPORTANCE_MAX) {
             throw new IllegalArgumentException("Invalid importance level");
         }
@@ -959,6 +961,23 @@
         return deletedCount;
     }
 
+    public int getBlockedChannelCount(String pkg, int uid) {
+        Preconditions.checkNotNull(pkg);
+        int blockedCount = 0;
+        Record r = getRecord(pkg, uid);
+        if (r == null) {
+            return blockedCount;
+        }
+        int N = r.channels.size();
+        for (int i = 0; i < N; i++) {
+            final NotificationChannel nc = r.channels.valueAt(i);
+            if (!nc.isDeleted() && IMPORTANCE_NONE == nc.getImportance()) {
+                blockedCount++;
+            }
+        }
+        return blockedCount;
+    }
+
     /**
      * Sets importance.
      */
@@ -969,12 +988,12 @@
     }
 
     public void setEnabled(String packageName, int uid, boolean enabled) {
-        boolean wasEnabled = getImportance(packageName, uid) != NotificationManager.IMPORTANCE_NONE;
+        boolean wasEnabled = getImportance(packageName, uid) != IMPORTANCE_NONE;
         if (wasEnabled == enabled) {
             return;
         }
         setImportance(packageName, uid,
-                enabled ? DEFAULT_IMPORTANCE : NotificationManager.IMPORTANCE_NONE);
+                enabled ? DEFAULT_IMPORTANCE : IMPORTANCE_NONE);
     }
 
     @VisibleForTesting
@@ -1199,7 +1218,7 @@
             ArrayMap<Integer, String> packageBans = new ArrayMap<>(N);
             for (int i = 0; i < N; i++) {
                 final Record r = mRecords.valueAt(i);
-                if (r.importance == NotificationManager.IMPORTANCE_NONE) {
+                if (r.importance == IMPORTANCE_NONE) {
                     packageBans.put(r.uid, r.pkg);
                 }
             }
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 2e530af..0e0bfbd 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -17,12 +17,12 @@
 package com.android.server.pm;
 
 import static android.Manifest.permission.DELETE_PACKAGES;
-import static android.Manifest.permission.MANAGE_DEVICE_ADMINS;
-import static android.Manifest.permission.SET_HARMFUL_APP_WARNINGS;
 import static android.Manifest.permission.INSTALL_PACKAGES;
+import static android.Manifest.permission.MANAGE_DEVICE_ADMINS;
 import static android.Manifest.permission.MANAGE_PROFILE_AND_DEVICE_OWNERS;
 import static android.Manifest.permission.READ_EXTERNAL_STORAGE;
 import static android.Manifest.permission.REQUEST_DELETE_PACKAGES;
+import static android.Manifest.permission.SET_HARMFUL_APP_WARNINGS;
 import static android.Manifest.permission.WRITE_EXTERNAL_STORAGE;
 import static android.content.pm.PackageManager.CERT_INPUT_RAW_X509;
 import static android.content.pm.PackageManager.CERT_INPUT_SHA256;
@@ -167,8 +167,8 @@
 import android.content.pm.PackageInstaller;
 import android.content.pm.PackageList;
 import android.content.pm.PackageManager;
-import android.content.pm.PackageManagerInternal;
 import android.content.pm.PackageManager.LegacyPackageDeleteObserver;
+import android.content.pm.PackageManagerInternal;
 import android.content.pm.PackageManagerInternal.PackageListObserver;
 import android.content.pm.PackageParser;
 import android.content.pm.PackageParser.ActivityIntentInfo;
@@ -310,10 +310,10 @@
 import com.android.server.pm.dex.PackageDexUsage;
 import com.android.server.pm.permission.BasePermission;
 import com.android.server.pm.permission.DefaultPermissionGrantPolicy;
-import com.android.server.pm.permission.PermissionManagerService;
-import com.android.server.pm.permission.PermissionManagerInternal;
 import com.android.server.pm.permission.DefaultPermissionGrantPolicy.DefaultPermissionGrantedCallback;
+import com.android.server.pm.permission.PermissionManagerInternal;
 import com.android.server.pm.permission.PermissionManagerInternal.PermissionCallback;
+import com.android.server.pm.permission.PermissionManagerService;
 import com.android.server.pm.permission.PermissionsState;
 import com.android.server.pm.permission.PermissionsState.PermissionState;
 import com.android.server.security.VerityUtils;
@@ -8185,35 +8185,22 @@
     private ProviderInfo resolveContentProviderInternal(String name, int flags, int userId) {
         if (!sUserManager.exists(userId)) return null;
         flags = updateFlagsForComponent(flags, userId, name);
-        final String instantAppPkgName = getInstantAppPackageName(Binder.getCallingUid());
-        // reader
+        final int callingUid = Binder.getCallingUid();
         synchronized (mPackages) {
             final PackageParser.Provider provider = mProvidersByAuthority.get(name);
             PackageSetting ps = provider != null
                     ? mSettings.mPackages.get(provider.owner.packageName)
                     : null;
             if (ps != null) {
-                final boolean isInstantApp = ps.getInstantApp(userId);
-                // normal application; filter out instant application provider
-                if (instantAppPkgName == null && isInstantApp) {
-                    return null;
-                }
-                // instant application; filter out other instant applications
-                if (instantAppPkgName != null
-                        && isInstantApp
-                        && !provider.owner.packageName.equals(instantAppPkgName)) {
-                    return null;
-                }
-                // instant application; filter out non-exposed provider
-                if (instantAppPkgName != null
-                        && !isInstantApp
-                        && (provider.info.flags & ProviderInfo.FLAG_VISIBLE_TO_INSTANT_APP) == 0) {
-                    return null;
-                }
                 // provider not enabled
                 if (!mSettings.isEnabledAndMatchLPr(provider.info, flags, userId)) {
                     return null;
                 }
+                final ComponentName component =
+                        new ComponentName(provider.info.packageName, provider.info.name);
+                if (filterAppAccessLPr(ps, callingUid, component, TYPE_PROVIDER, userId)) {
+                    return null;
+                }
                 return PackageParser.generateProviderInfo(
                         provider, flags, ps.readUserState(userId), userId);
             }
diff --git a/services/core/java/com/android/server/wm/BoundsAnimationController.java b/services/core/java/com/android/server/wm/BoundsAnimationController.java
index ba67ff6..112d93c 100644
--- a/services/core/java/com/android/server/wm/BoundsAnimationController.java
+++ b/services/core/java/com/android/server/wm/BoundsAnimationController.java
@@ -161,7 +161,10 @@
 
         // Timeout callback to ensure we continue the animation if waiting for resuming or app
         // windows drawn fails
-        private final Runnable mResumeRunnable = () -> resume();
+        private final Runnable mResumeRunnable = () -> {
+            if (DEBUG) Slog.d(TAG, "pause: timed out waiting for windows drawn");
+            resume();
+        };
 
         BoundsAnimator(BoundsAnimationTarget target, Rect from, Rect to,
                 @SchedulePipModeChangedState int schedulePipModeChangedState,
@@ -213,7 +216,7 @@
 
                 // When starting an animation from fullscreen, pause here and wait for the
                 // windows-drawn signal before we start the rest of the transition down into PiP.
-                if (mMoveFromFullscreen) {
+                if (mMoveFromFullscreen && mTarget.shouldDeferStartOnMoveToFullscreen()) {
                     pause();
                 }
             } else if (mPrevSchedulePipModeChangedState == SCHEDULE_PIP_MODE_CHANGED_ON_END &&
diff --git a/services/core/java/com/android/server/wm/BoundsAnimationTarget.java b/services/core/java/com/android/server/wm/BoundsAnimationTarget.java
index 647a2d6..68be4e8 100644
--- a/services/core/java/com/android/server/wm/BoundsAnimationTarget.java
+++ b/services/core/java/com/android/server/wm/BoundsAnimationTarget.java
@@ -34,6 +34,12 @@
     void onAnimationStart(boolean schedulePipModeChangedCallback, boolean forceUpdate);
 
     /**
+     * @return Whether the animation should be paused waiting for the windows to draw before
+     *         entering PiP.
+     */
+    boolean shouldDeferStartOnMoveToFullscreen();
+
+    /**
      * Sets the size of the target (without any intermediate steps, like scheduling animation)
      * but freezes the bounds of any tasks in the target at taskBounds, to allow for more
      * flexibility during resizing. Only works for the pinned stack at the moment.  This will
diff --git a/services/core/java/com/android/server/wm/DisplayContent.java b/services/core/java/com/android/server/wm/DisplayContent.java
index c4f2bd4..0771b53 100644
--- a/services/core/java/com/android/server/wm/DisplayContent.java
+++ b/services/core/java/com/android/server/wm/DisplayContent.java
@@ -3568,7 +3568,8 @@
                     if (s.inSplitScreenWindowingMode() && mSplitScreenDividerAnchor != null) {
                         t.setLayer(mSplitScreenDividerAnchor, layer++);
                     }
-                    if (s.isAppAnimating() && state != ALWAYS_ON_TOP_STATE) {
+                    if ((s.isTaskAnimating() || s.isAppAnimating())
+                            && state != ALWAYS_ON_TOP_STATE) {
                         // Ensure the animation layer ends up above the
                         // highest animating stack and no higher.
                         layerForAnimationLayer = layer++;
diff --git a/services/core/java/com/android/server/wm/DockedStackDividerController.java b/services/core/java/com/android/server/wm/DockedStackDividerController.java
index 5e2bb10..2cd2ef1 100644
--- a/services/core/java/com/android/server/wm/DockedStackDividerController.java
+++ b/services/core/java/com/android/server/wm/DockedStackDividerController.java
@@ -666,13 +666,16 @@
         }
         final TaskStack topSecondaryStack = mDisplayContent.getTopStackInWindowingMode(
                 WINDOWING_MODE_SPLIT_SCREEN_SECONDARY);
+        final RecentsAnimationController recentsAnim = mService.getRecentsAnimationController();
+        final boolean minimizedForRecentsAnimation = recentsAnim != null &&
+                recentsAnim.isSplitScreenMinimized();
         boolean homeVisible = homeTask.getTopVisibleAppToken() != null;
         if (homeVisible && topSecondaryStack != null) {
             // Home should only be considered visible if it is greater or equal to the top secondary
             // stack in terms of z-order.
             homeVisible = homeStack.compareTo(topSecondaryStack) >= 0;
         }
-        setMinimizedDockedStack(homeVisible, animate);
+        setMinimizedDockedStack(homeVisible || minimizedForRecentsAnimation, animate);
     }
 
     private boolean isWithinDisplay(Task task) {
diff --git a/services/core/java/com/android/server/wm/RecentsAnimationController.java b/services/core/java/com/android/server/wm/RecentsAnimationController.java
index 7274aee..c4f5197 100644
--- a/services/core/java/com/android/server/wm/RecentsAnimationController.java
+++ b/services/core/java/com/android/server/wm/RecentsAnimationController.java
@@ -29,6 +29,7 @@
 import static com.android.server.wm.RemoteAnimationAdapterWrapperProto.TARGET;
 import static com.android.server.wm.AnimationAdapterProto.REMOTE;
 
+import android.annotation.IntDef;
 import android.app.ActivityManager.TaskSnapshot;
 import android.app.WindowConfiguration;
 import android.graphics.Point;
@@ -67,12 +68,25 @@
     private static final boolean DEBUG = false;
     private static final long FAILSAFE_DELAY = 1000;
 
+    public static final int REORDER_KEEP_HOME_IN_PLACE = 0;
+    public static final int REORDER_MOVE_HOME_TO_TOP = 1;
+    public static final int REORDER_MOVE_HOME_TO_ORIGINAL_POSITION = 2;
+
+    @IntDef(prefix = { "REORDER_MODE_" }, value = {
+            REORDER_KEEP_HOME_IN_PLACE,
+            REORDER_MOVE_HOME_TO_TOP,
+            REORDER_MOVE_HOME_TO_ORIGINAL_POSITION
+    })
+    public @interface ReorderMode {}
+
     private final WindowManagerService mService;
     private final IRecentsAnimationRunner mRunner;
     private final RecentsAnimationCallbacks mCallbacks;
     private final ArrayList<TaskAnimationAdapter> mPendingAnimations = new ArrayList<>();
     private final int mDisplayId;
-    private final Runnable mFailsafeRunnable = this::cancelAnimation;
+    private final Runnable mFailsafeRunnable = () -> {
+        cancelAnimation(REORDER_MOVE_HOME_TO_ORIGINAL_POSITION);
+    };
 
     // The recents component app token that is shown behind the visibile tasks
     private AppWindowToken mHomeAppToken;
@@ -84,16 +98,20 @@
     private boolean mPendingStart = true;
 
     // Set when the animation has been canceled
-    private boolean mCanceled = false;
+    private boolean mCanceled;
 
     // Whether or not the input consumer is enabled. The input consumer must be both registered and
     // enabled for it to start intercepting touch events.
     private boolean mInputConsumerEnabled;
 
+    // Whether or not the recents animation should cause the primary split-screen stack to be
+    // minimized
+    private boolean mSplitScreenMinimized;
+
     private Rect mTmpRect = new Rect();
 
     public interface RecentsAnimationCallbacks {
-        void onAnimationFinished(boolean moveHomeToTop);
+        void onAnimationFinished(@ReorderMode int reorderMode);
     }
 
     private final IRecentsAnimationController mController =
@@ -102,7 +120,7 @@
         @Override
         public TaskSnapshot screenshotTask(int taskId) {
             if (DEBUG) Log.d(TAG, "screenshotTask(" + taskId + "): mCanceled=" + mCanceled);
-            long token = Binder.clearCallingIdentity();
+            final long token = Binder.clearCallingIdentity();
             try {
                 synchronized (mService.getWindowManagerLock()) {
                     if (mCanceled) {
@@ -131,7 +149,7 @@
         @Override
         public void finish(boolean moveHomeToTop) {
             if (DEBUG) Log.d(TAG, "finish(" + moveHomeToTop + "): mCanceled=" + mCanceled);
-            long token = Binder.clearCallingIdentity();
+            final long token = Binder.clearCallingIdentity();
             try {
                 synchronized (mService.getWindowManagerLock()) {
                     if (mCanceled) {
@@ -141,7 +159,9 @@
 
                 // Note, the callback will handle its own synchronization, do not lock on WM lock
                 // prior to calling the callback
-                mCallbacks.onAnimationFinished(moveHomeToTop);
+                mCallbacks.onAnimationFinished(moveHomeToTop
+                        ? REORDER_MOVE_HOME_TO_TOP
+                        : REORDER_MOVE_HOME_TO_ORIGINAL_POSITION);
             } finally {
                 Binder.restoreCallingIdentity(token);
             }
@@ -150,7 +170,7 @@
         @Override
         public void setAnimationTargetsBehindSystemBars(boolean behindSystemBars)
                 throws RemoteException {
-            long token = Binder.clearCallingIdentity();
+            final long token = Binder.clearCallingIdentity();
             try {
                 synchronized (mService.getWindowManagerLock()) {
                     for (int i = mPendingAnimations.size() - 1; i >= 0; i--) {
@@ -167,7 +187,7 @@
         public void setInputConsumerEnabled(boolean enabled) {
             if (DEBUG) Log.d(TAG, "setInputConsumerEnabled(" + enabled + "): mCanceled="
                     + mCanceled);
-            long token = Binder.clearCallingIdentity();
+            final long token = Binder.clearCallingIdentity();
             try {
                 synchronized (mService.getWindowManagerLock()) {
                     if (mCanceled) {
@@ -182,6 +202,23 @@
                 Binder.restoreCallingIdentity(token);
             }
         }
+
+        @Override
+        public void setSplitScreenMinimized(boolean minimized) {
+            final long token = Binder.clearCallingIdentity();
+            try {
+                synchronized (mService.getWindowManagerLock()) {
+                    if (mCanceled) {
+                        return;
+                    }
+
+                    mSplitScreenMinimized = minimized;
+                    mService.checkSplitScreenMinimizedChanged(true /* animate */);
+                }
+            } finally {
+                Binder.restoreCallingIdentity(token);
+            }
+        }
     };
 
     /**
@@ -222,14 +259,14 @@
 
         // Skip the animation if there is nothing to animate
         if (mPendingAnimations.isEmpty()) {
-            cancelAnimation();
+            cancelAnimation(REORDER_MOVE_HOME_TO_ORIGINAL_POSITION);
             return;
         }
 
         try {
             mRunner.asBinder().linkToDeath(this, 0);
         } catch (RemoteException e) {
-            cancelAnimation();
+            cancelAnimation(REORDER_MOVE_HOME_TO_ORIGINAL_POSITION);
             return;
         }
 
@@ -299,7 +336,7 @@
                 reasons).sendToTarget();
     }
 
-    void cancelAnimation() {
+    void cancelAnimation(@ReorderMode int reorderMode) {
         if (DEBUG) Log.d(TAG, "cancelAnimation()");
         synchronized (mService.getWindowManagerLock()) {
             if (mCanceled) {
@@ -314,18 +351,20 @@
                 Slog.e(TAG, "Failed to cancel recents animation", e);
             }
         }
+
         // Clean up and return to the previous app
         // Don't hold the WM lock here as it calls back to AM/RecentsAnimation
-        mCallbacks.onAnimationFinished(false /* moveHomeToTop */);
+        mCallbacks.onAnimationFinished(reorderMode);
     }
 
-    void cleanupAnimation(boolean moveHomeToTop) {
+    void cleanupAnimation(@ReorderMode int reorderMode) {
         if (DEBUG) Log.d(TAG, "cleanupAnimation(): mPendingAnimations="
                 + mPendingAnimations.size());
         for (int i = mPendingAnimations.size() - 1; i >= 0; i--) {
             final TaskAnimationAdapter adapter = mPendingAnimations.get(i);
             adapter.mTask.setCanAffectSystemUiFlags(true);
-            if (moveHomeToTop) {
+            if (reorderMode == REORDER_MOVE_HOME_TO_TOP
+                    || reorderMode == REORDER_KEEP_HOME_IN_PLACE) {
                 adapter.mTask.dontAnimateDimExit();
             }
             adapter.mCapturedFinishCallback.onAnimationFinished(adapter);
@@ -333,7 +372,7 @@
         mPendingAnimations.clear();
 
         mRunner.asBinder().unlinkToDeath(this, 0);
-
+        // Clear associated input consumers
         mService.mInputMonitor.updateInputWindowsLw(true /*force*/);
         mService.destroyInputConsumer(INPUT_CONSUMER_RECENTS_ANIMATION);
     }
@@ -344,7 +383,7 @@
 
     @Override
     public void binderDied() {
-        cancelAnimation();
+        cancelAnimation(REORDER_MOVE_HOME_TO_ORIGINAL_POSITION);
     }
 
     void checkAnimationReady(WallpaperController wallpaperController) {
@@ -358,6 +397,10 @@
         }
     }
 
+    boolean isSplitScreenMinimized() {
+        return mSplitScreenMinimized;
+    }
+
     boolean isWallpaperVisible(WindowState w) {
         return w != null && w.mAppToken != null && mHomeAppToken == w.mAppToken
                 && isHomeAppOverWallpaper();
@@ -389,6 +432,15 @@
         return mHomeAppToken.windowsCanBeWallpaperTarget();
     }
 
+    boolean isAnimatingTask(Task task) {
+        for (int i = mPendingAnimations.size() - 1; i >= 0; i--) {
+            if (task == mPendingAnimations.get(i).mTask) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     private boolean isAnimatingApp(AppWindowToken appToken) {
         for (int i = mPendingAnimations.size() - 1; i >= 0; i--) {
             final Task task = mPendingAnimations.get(i).mTask;
@@ -409,18 +461,18 @@
         private OnAnimationFinishedCallback mCapturedFinishCallback;
         private final boolean mIsRecentTaskInvisible;
         private RemoteAnimationTarget mTarget;
+        private final Point mPosition = new Point();
+        private final Rect mBounds = new Rect();
 
         TaskAnimationAdapter(Task task, boolean isRecentTaskInvisible) {
             mTask = task;
             mIsRecentTaskInvisible = isRecentTaskInvisible;
+            final WindowContainer container = mTask.getParent();
+            container.getRelativePosition(mPosition);
+            container.getBounds(mBounds);
         }
 
         RemoteAnimationTarget createRemoteAnimationApp() {
-            final Point position = new Point();
-            final Rect bounds = new Rect();
-            final WindowContainer container = mTask.getParent();
-            container.getRelativePosition(position);
-            container.getBounds(bounds);
             final WindowState mainWindow = mTask.getTopVisibleAppMainWindow();
             if (mainWindow == null) {
                 return null;
@@ -429,7 +481,7 @@
             InsetUtils.addInsets(insets, mainWindow.mAppToken.getLetterboxInsets());
             mTarget = new RemoteAnimationTarget(mTask.mTaskId, MODE_CLOSING, mCapturedLeash,
                     !mTask.fillsParent(), mainWindow.mWinAnimator.mLastClipRect,
-                    insets, mTask.getPrefixOrderIndex(), position, bounds,
+                    insets, mTask.getPrefixOrderIndex(), mPosition, mBounds,
                     mTask.getWindowConfiguration(), mIsRecentTaskInvisible);
             return mTarget;
         }
@@ -452,13 +504,14 @@
         @Override
         public void startAnimation(SurfaceControl animationLeash, Transaction t,
                 OnAnimationFinishedCallback finishCallback) {
+            t.setPosition(animationLeash, mPosition.x, mPosition.y);
             mCapturedLeash = animationLeash;
             mCapturedFinishCallback = finishCallback;
         }
 
         @Override
         public void onAnimationCancelled(SurfaceControl animationLeash) {
-            cancelAnimation();
+            cancelAnimation(REORDER_MOVE_HOME_TO_ORIGINAL_POSITION);
         }
 
         @Override
diff --git a/services/core/java/com/android/server/wm/Task.java b/services/core/java/com/android/server/wm/Task.java
index e8d3210..95223d8 100644
--- a/services/core/java/com/android/server/wm/Task.java
+++ b/services/core/java/com/android/server/wm/Task.java
@@ -44,6 +44,7 @@
 import android.util.proto.ProtoOutputStream;
 import android.view.Surface;
 
+import android.view.SurfaceControl;
 import com.android.internal.annotations.VisibleForTesting;
 
 import java.io.PrintWriter;
@@ -559,6 +560,23 @@
                 && !mStack.isAnimatingBoundsToFullscreen() && !mPreserveNonFloatingState;
     }
 
+    @Override
+    public SurfaceControl getAnimationLeashParent() {
+        // Reparent to the animation layer so that we aren't clipped by the non-minimized
+        // stack bounds, currently we only animate the task for the recents animation
+        return getAppAnimationLayer(false /* boosted */);
+    }
+
+    boolean isTaskAnimating() {
+        final RecentsAnimationController recentsAnim = mService.getRecentsAnimationController();
+        if (recentsAnim != null) {
+            if (recentsAnim.isAnimatingTask(this)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     WindowState getTopVisibleAppMainWindow() {
         final AppWindowToken token = getTopVisibleAppToken();
         return token != null ? token.findMainWindow() : null;
diff --git a/services/core/java/com/android/server/wm/TaskStack.java b/services/core/java/com/android/server/wm/TaskStack.java
index 62754ad..2175c6b 100644
--- a/services/core/java/com/android/server/wm/TaskStack.java
+++ b/services/core/java/com/android/server/wm/TaskStack.java
@@ -33,8 +33,6 @@
 import static android.view.WindowManager.DOCKED_RIGHT;
 import static android.view.WindowManager.DOCKED_TOP;
 import static com.android.server.wm.DragResizeMode.DRAG_RESIZE_MODE_DOCKED_DIVIDER;
-import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_TASK_MOVEMENT;
-import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;
 import static com.android.server.wm.StackProto.ADJUSTED_BOUNDS;
 import static com.android.server.wm.StackProto.ADJUSTED_FOR_IME;
 import static com.android.server.wm.StackProto.ADJUST_DIVIDER_AMOUNT;
@@ -47,6 +45,8 @@
 import static com.android.server.wm.StackProto.MINIMIZE_AMOUNT;
 import static com.android.server.wm.StackProto.TASKS;
 import static com.android.server.wm.StackProto.WINDOW_CONTAINER;
+import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_TASK_MOVEMENT;
+import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;
 
 import android.annotation.CallSuper;
 import android.content.res.Configuration;
@@ -62,12 +62,10 @@
 import android.view.DisplayInfo;
 import android.view.Surface;
 import android.view.SurfaceControl;
-
 import com.android.internal.policy.DividerSnapAlgorithm;
 import com.android.internal.policy.DividerSnapAlgorithm.SnapTarget;
 import com.android.internal.policy.DockedDividerUtils;
 import com.android.server.EventLogTags;
-
 import java.io.PrintWriter;
 
 public class TaskStack extends WindowContainer<Task> implements
@@ -1333,6 +1331,20 @@
         return mMinimizeAmount != 0f;
     }
 
+    /**
+     * @return {@code true} if we have a {@link Task} that is animating (currently only used for the
+     *         recents animation); {@code false} otherwise.
+     */
+    boolean isTaskAnimating() {
+        for (int j = mChildren.size() - 1; j >= 0; j--) {
+            final Task task = mChildren.get(j);
+            if (task.isTaskAnimating()) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     @CallSuper
     @Override
     public void writeToProto(ProtoOutputStream proto, long fieldId, boolean trim) {
@@ -1687,6 +1699,25 @@
         }
     }
 
+    @Override
+    public boolean shouldDeferStartOnMoveToFullscreen() {
+        // Workaround for the recents animation -- normally we need to wait for the new activity to
+        // show before starting the PiP animation, but because we start and show the home activity
+        // early for the recents animation prior to the PiP animation starting, there is no
+        // subsequent all-drawn signal. In this case, we can skip the pause when the home stack is
+        // already visible and drawn.
+        final TaskStack homeStack = mDisplayContent.getHomeStack();
+        if (homeStack == null) {
+            return true;
+        }
+        final Task homeTask = homeStack.getTopChild();
+        final AppWindowToken homeApp = homeTask.getTopVisibleAppToken();
+        if (!homeTask.isVisible() || homeApp == null) {
+            return true;
+        }
+        return !homeApp.allDrawn;
+    }
+
     /**
      * @return True if we are currently animating the pinned stack from fullscreen to non-fullscreen
      *         bounds and we have a deferred PiP mode changed callback set with the animation.
diff --git a/services/core/java/com/android/server/wm/WallpaperController.java b/services/core/java/com/android/server/wm/WallpaperController.java
index c509980..6de1579 100644
--- a/services/core/java/com/android/server/wm/WallpaperController.java
+++ b/services/core/java/com/android/server/wm/WallpaperController.java
@@ -26,6 +26,7 @@
 
 import static com.android.server.policy.WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
 import static android.view.WindowManager.TRANSIT_FLAG_KEYGUARD_GOING_AWAY_WITH_WALLPAPER;
+import static com.android.server.wm.RecentsAnimationController.REORDER_MOVE_HOME_TO_ORIGINAL_POSITION;
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_APP_TRANSITIONS;
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_SCREENSHOT;
 import static com.android.server.wm.WindowManagerDebugConfig.DEBUG_WALLPAPER;
@@ -618,7 +619,8 @@
 
             // If there was a recents animation in progress, cancel that animation
             if (mService.getRecentsAnimationController() != null) {
-                mService.getRecentsAnimationController().cancelAnimation();
+                mService.getRecentsAnimationController().cancelAnimation(
+                        REORDER_MOVE_HOME_TO_ORIGINAL_POSITION);
             }
             return true;
         }
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index f1cd46b..28a57f5a 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -2687,20 +2687,20 @@
         }
     }
 
-    public void cancelRecentsAnimation() {
+    public void cancelRecentsAnimation(@RecentsAnimationController.ReorderMode int reorderMode) {
         // Note: Do not hold the WM lock, this will lock appropriately in the call which also
         // calls through to AM/RecentsAnimation.onAnimationFinished()
         if (mRecentsAnimationController != null) {
             // This call will call through to cleanupAnimation() below after the animation is
             // canceled
-            mRecentsAnimationController.cancelAnimation();
+            mRecentsAnimationController.cancelAnimation(reorderMode);
         }
     }
 
-    public void cleanupRecentsAnimation(boolean moveHomeToTop) {
+    public void cleanupRecentsAnimation(@RecentsAnimationController.ReorderMode int reorderMode) {
         synchronized (mWindowMap) {
             if (mRecentsAnimationController != null) {
-                mRecentsAnimationController.cleanupAnimation(moveHomeToTop);
+                mRecentsAnimationController.cleanupAnimation(reorderMode);
                 mRecentsAnimationController = null;
                 mAppTransition.updateBooster();
             }
diff --git a/services/core/java/com/android/server/wm/WindowState.java b/services/core/java/com/android/server/wm/WindowState.java
index 54c2e9b..f015889 100644
--- a/services/core/java/com/android/server/wm/WindowState.java
+++ b/services/core/java/com/android/server/wm/WindowState.java
@@ -178,6 +178,7 @@
 import android.util.Slog;
 import android.util.TimeUtils;
 import android.util.proto.ProtoOutputStream;
+import android.view.Display;
 import android.view.DisplayCutout;
 import android.view.DisplayInfo;
 import android.view.Gravity;
@@ -1366,6 +1367,7 @@
         // Window was not laid out for this display yet, so make sure mLayoutSeq does not match.
         if (dc != null) {
             mLayoutSeq = dc.mLayoutSeq - 1;
+            mInputWindowHandle.displayId = dc.getDisplayId();
         }
     }
 
@@ -1378,7 +1380,7 @@
     public int getDisplayId() {
         final DisplayContent displayContent = getDisplayContent();
         if (displayContent == null) {
-            return -1;
+            return Display.INVALID_DISPLAY;
         }
         return displayContent.getDisplayId();
     }
diff --git a/services/tests/servicestests/src/com/android/server/am/RecentTasksTest.java b/services/tests/servicestests/src/com/android/server/am/RecentTasksTest.java
index 7765387..6290ff1 100644
--- a/services/tests/servicestests/src/com/android/server/am/RecentTasksTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/RecentTasksTest.java
@@ -649,7 +649,7 @@
         assertSecurityException(expectCallable, () -> mService.cancelTaskWindowTransition(0));
         assertSecurityException(expectCallable, () -> mService.startRecentsActivity(null, null,
                 null));
-        assertSecurityException(expectCallable, () -> mService.cancelRecentsAnimation());
+        assertSecurityException(expectCallable, () -> mService.cancelRecentsAnimation(true));
     }
 
     private void testGetTasksApis(boolean expectCallable) {
diff --git a/services/tests/servicestests/src/com/android/server/display/BrightnessTrackerTest.java b/services/tests/servicestests/src/com/android/server/display/BrightnessTrackerTest.java
index 92cc537..45bee6e 100644
--- a/services/tests/servicestests/src/com/android/server/display/BrightnessTrackerTest.java
+++ b/services/tests/servicestests/src/com/android/server/display/BrightnessTrackerTest.java
@@ -30,9 +30,11 @@
 import android.content.Context;
 import android.content.Intent;
 import android.content.IntentFilter;
+import android.content.pm.ParceledListSlice;
 import android.database.ContentObserver;
 import android.hardware.SensorEvent;
 import android.hardware.SensorEventListener;
+import android.hardware.display.AmbientBrightnessDayStats;
 import android.hardware.display.BrightnessChangeEvent;
 import android.os.BatteryManager;
 import android.os.Handler;
@@ -571,6 +573,19 @@
         assertEquals(event.batteryLevel, event2.batteryLevel, FLOAT_DELTA);
     }
 
+    @Test
+    public void testNonNullAmbientStats() {
+        // getAmbientBrightnessStats should return an empty list rather than null when
+        // tracker isn't started or hasn't collected any data.
+        ParceledListSlice<AmbientBrightnessDayStats> slice = mTracker.getAmbientBrightnessStats(0);
+        assertNotNull(slice);
+        assertTrue(slice.getList().isEmpty());
+        startTracker(mTracker);
+        slice = mTracker.getAmbientBrightnessStats(0);
+        assertNotNull(slice);
+        assertTrue(slice.getList().isEmpty());
+    }
+
     private InputStream getInputStream(String data) {
         return new ByteArrayInputStream(data.getBytes(StandardCharsets.UTF_8));
     }
diff --git a/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistConfigTests.java b/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistConfigTests.java
index 654acc2..678f018 100644
--- a/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistConfigTests.java
+++ b/services/tests/servicestests/src/com/android/server/net/watchlist/WatchlistConfigTests.java
@@ -19,6 +19,7 @@
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
 import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.assertNull;
 
 import android.content.Context;
 import android.support.test.InstrumentationRegistry;
@@ -114,13 +115,19 @@
     }
 
     @Test
-    public void testWatchlistConfig_getWatchlistConfigHash() throws Exception {
+    public void testWatchlistConfig_getWatchlistConfigHash_hasConfig() throws Exception {
         copyWatchlistConfigXml(mContext, TEST_XML_1, mTestXmlFile);
         WatchlistConfig config = new WatchlistConfig(mTestXmlFile);
         assertEquals(TEST_XML_1_HASH, HexDump.toHexString(config.getWatchlistConfigHash()));
     }
 
     @Test
+    public void testWatchlistConfig_getWatchlistConfigHash_withoutConfig() throws Exception {
+        WatchlistConfig config = new WatchlistConfig(mTestXmlFile);
+        assertNull(config.getWatchlistConfigHash());
+    }
+
+    @Test
     public void testWatchlistConfig_testDumpDoesNotCrash() throws Exception {
         WatchlistConfig config = new WatchlistConfig(new File("/not_exist_path.xml"));
         ByteArrayOutputStream bs = new ByteArrayOutputStream(2048);
diff --git a/services/tests/servicestests/src/com/android/server/wm/BoundsAnimationControllerTests.java b/services/tests/servicestests/src/com/android/server/wm/BoundsAnimationControllerTests.java
index 2bfe274..6019958 100644
--- a/services/tests/servicestests/src/com/android/server/wm/BoundsAnimationControllerTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/BoundsAnimationControllerTests.java
@@ -159,6 +159,11 @@
         }
 
         @Override
+        public boolean shouldDeferStartOnMoveToFullscreen() {
+            return true;
+        }
+
+        @Override
         public boolean setPinnedStackSize(Rect stackBounds, Rect taskBounds) {
             // TODO: Once we break the runs apart, we should fail() here if this is called outside
             //       of onAnimationStart() and onAnimationEnd()
diff --git a/services/tests/servicestests/src/com/android/server/wm/WindowStateTests.java b/services/tests/servicestests/src/com/android/server/wm/WindowStateTests.java
index 1248eae..7c928c9 100644
--- a/services/tests/servicestests/src/com/android/server/wm/WindowStateTests.java
+++ b/services/tests/servicestests/src/com/android/server/wm/WindowStateTests.java
@@ -326,6 +326,17 @@
         assertThat(app.mLayoutSeq, not(is(mDisplayContent.mLayoutSeq)));
     }
 
+    @Test
+    public void testDisplayIdUpdatedOnReparent() throws Exception {
+        final WindowState app = createWindow(null, TYPE_APPLICATION, "app");
+        // fake a different display
+        app.mInputWindowHandle.displayId = mDisplayContent.getDisplayId() + 1;
+        app.onDisplayChanged(mDisplayContent);
+
+        assertThat(app.mInputWindowHandle.displayId, is(mDisplayContent.getDisplayId()));
+        assertThat(app.getDisplayId(), is(mDisplayContent.getDisplayId()));
+    }
+
     private void testPrepareWindowToDisplayDuringRelayout(boolean wasVisible) {
         reset(mPowerManagerWrapper);
         final WindowState root = createWindow(null, TYPE_APPLICATION, "root");
diff --git a/services/tests/uiservicestests/src/com/android/server/notification/RankingHelperTest.java b/services/tests/uiservicestests/src/com/android/server/notification/RankingHelperTest.java
index 0815876..54ed1e6 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/RankingHelperTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/RankingHelperTest.java
@@ -1093,7 +1093,7 @@
         NotificationChannel channel2 =
                 new NotificationChannel("id4", "a", NotificationManager.IMPORTANCE_HIGH);
         NotificationChannel channel3 =
-                new NotificationChannel("id4", "a", NotificationManager.IMPORTANCE_HIGH);
+                new NotificationChannel("id5", "a", NotificationManager.IMPORTANCE_HIGH);
         mHelper.createNotificationChannel(PKG, UID, channel, true, false);
         mHelper.createNotificationChannel(PKG, UID, channel2, true, false);
         mHelper.createNotificationChannel(PKG, UID, channel3, true, false);
@@ -1106,6 +1106,24 @@
     }
 
     @Test
+    public void testGetBlockedChannelCount() throws Exception {
+        NotificationChannel channel =
+                new NotificationChannel("id2", "name2", IMPORTANCE_LOW);
+        NotificationChannel channel2 =
+                new NotificationChannel("id4", "a", NotificationManager.IMPORTANCE_NONE);
+        NotificationChannel channel3 =
+                new NotificationChannel("id5", "a", NotificationManager.IMPORTANCE_NONE);
+        mHelper.createNotificationChannel(PKG, UID, channel, true, false);
+        mHelper.createNotificationChannel(PKG, UID, channel2, true, false);
+        mHelper.createNotificationChannel(PKG, UID, channel3, true, false);
+
+        mHelper.deleteNotificationChannel(PKG, UID, channel3.getId());
+
+        assertEquals(1, mHelper.getBlockedChannelCount(PKG, UID));
+        assertEquals(0, mHelper.getBlockedChannelCount("pkg2", UID2));
+    }
+
+    @Test
     public void testCreateDeletedChannel() throws Exception {
         long[] vibration = new long[]{100, 67, 145, 156};
         NotificationChannel channel =