Merge "Do not update currently open tooltip." into oc-dev
diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index 3574f8d..24c144c 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -719,7 +719,7 @@
     public static final int FINISH_TASK_WITH_ACTIVITY = 2;
 
     static final String FRAGMENTS_TAG = "android:fragments";
-    private static final String LAST_ACCESSIBILITY_ID = "android:lastAccessibilityId";
+    private static final String LAST_AUTOFILL_ID = "android:lastAutofillId";
 
     private static final String AUTOFILL_RESET_NEEDED = "@android:autofillResetNeeded";
     private static final String WINDOW_HIERARCHY_TAG = "android:viewHierarchyState";
@@ -853,8 +853,8 @@
 
     private boolean mAutoFillResetNeeded;
 
-    /** The last accessibility id that was returned from {@link #getNextAccessibilityId()} */
-    private int mLastAccessibilityId = View.LAST_APP_ACCESSIBILITY_ID;
+    /** The last autofill id that was returned from {@link #getNextAutofillId()} */
+    private int mLastAutofillId = View.LAST_APP_AUTOFILL_ID;
 
     private AutofillPopupWindow mAutofillPopupWindow;
 
@@ -999,7 +999,7 @@
         }
         if (savedInstanceState != null) {
             mAutoFillResetNeeded = savedInstanceState.getBoolean(AUTOFILL_RESET_NEEDED, false);
-            mLastAccessibilityId = savedInstanceState.getInt(LAST_ACCESSIBILITY_ID, View.NO_ID);
+            mLastAutofillId = savedInstanceState.getInt(LAST_AUTOFILL_ID, View.NO_ID);
 
             if (mAutoFillResetNeeded) {
                 getAutofillManager().onCreate(savedInstanceState);
@@ -1348,24 +1348,23 @@
     }
 
     /**
-     * Gets the next accessibility ID.
+     * Gets the next autofill ID.
      *
-     * <p>All IDs will be bigger than {@link View#LAST_APP_ACCESSIBILITY_ID}. All IDs returned
+     * <p>All IDs will be bigger than {@link View#LAST_APP_AUTOFILL_ID}. All IDs returned
      * will be unique.
      *
      * @return A ID that is unique in the activity
      *
      * {@hide}
      */
-    @Override
-    public int getNextAccessibilityId() {
-        if (mLastAccessibilityId == Integer.MAX_VALUE - 1) {
-            mLastAccessibilityId = View.LAST_APP_ACCESSIBILITY_ID;
+    public int getNextAutofillId() {
+        if (mLastAutofillId == Integer.MAX_VALUE - 1) {
+            mLastAutofillId = View.LAST_APP_AUTOFILL_ID;
         }
 
-        mLastAccessibilityId++;
+        mLastAutofillId++;
 
-        return mLastAccessibilityId;
+        return mLastAutofillId;
     }
 
     /**
@@ -1563,7 +1562,7 @@
     protected void onSaveInstanceState(Bundle outState) {
         outState.putBundle(WINDOW_HIERARCHY_TAG, mWindow.saveHierarchyState());
 
-        outState.putInt(LAST_ACCESSIBILITY_ID, mLastAccessibilityId);
+        outState.putInt(LAST_AUTOFILL_ID, mLastAutofillId);
         Parcelable p = mFragments.saveAllState();
         if (p != null) {
             outState.putParcelable(FRAGMENTS_TAG, p);
@@ -7455,7 +7454,7 @@
 
     /** @hide */
     @Override
-    @NonNull public View[] findViewsByAccessibilityIdTraversal(@NonNull int[] viewIds) {
+    @NonNull public View[] findViewsByAutofillIdTraversal(@NonNull int[] viewIds) {
         final View[] views = new View[viewIds.length];
         final ArrayList<ViewRootImpl> roots =
                 WindowManagerGlobal.getInstance().getRootViews(getActivityToken());
@@ -7466,7 +7465,7 @@
             if (rootView != null) {
                 for (int viewNum = 0; viewNum < viewIds.length; viewNum++) {
                     if (views[viewNum] == null) {
-                        views[viewNum] = rootView.findViewByAccessibilityIdTraversal(
+                        views[viewNum] = rootView.findViewByAutofillIdTraversal(
                                 viewIds[viewNum]);
                     }
                 }
@@ -7478,14 +7477,14 @@
 
     /** @hide */
     @Override
-    @Nullable public View findViewByAccessibilityIdTraversal(int viewId) {
+    @Nullable public View findViewByAutofillIdTraversal(int viewId) {
         final ArrayList<ViewRootImpl> roots =
                 WindowManagerGlobal.getInstance().getRootViews(getActivityToken());
         for (int rootNum = 0; rootNum < roots.size(); rootNum++) {
             final View rootView = roots.get(rootNum).getView();
 
             if (rootView != null) {
-                final View view = rootView.findViewByAccessibilityIdTraversal(viewId);
+                final View view = rootView.findViewByAutofillIdTraversal(viewId);
                 if (view != null) {
                     return view;
                 }
@@ -7499,7 +7498,7 @@
     @Override
     @NonNull public boolean[] getViewVisibility(@NonNull int[] viewIds) {
         final boolean[] isVisible = new boolean[viewIds.length];
-        final View views[] = findViewsByAccessibilityIdTraversal(viewIds);
+        final View views[] = findViewsByAutofillIdTraversal(viewIds);
 
         for (int i = 0; i < viewIds.length; i++) {
             View view = views[i];
diff --git a/core/java/android/app/ActivityOptions.java b/core/java/android/app/ActivityOptions.java
index cbb93a0..6dead3e 100644
--- a/core/java/android/app/ActivityOptions.java
+++ b/core/java/android/app/ActivityOptions.java
@@ -1244,7 +1244,7 @@
                 // Once we parcel the thumbnail for transfering over to the system, create a copy of
                 // the bitmap to a hardware bitmap and pass through the GraphicBuffer
                 if (mThumbnail != null) {
-                    final Bitmap hwBitmap = mThumbnail.copy(Config.HARDWARE, true /* immutable */);
+                    final Bitmap hwBitmap = mThumbnail.copy(Config.HARDWARE, false /* isMutable */);
                     if (hwBitmap != null) {
                         b.putParcelable(KEY_ANIM_THUMBNAIL, hwBitmap.createGraphicBufferHandle());
                     } else {
diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index db80c72..2303a38 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -488,27 +488,27 @@
      */
     public abstract Context getApplicationContext();
 
-    /** Non-activity related accessibility ids are unique in the app */
-    private static int sLastAccessibilityId = View.NO_ID;
+    /** Non-activity related autofill ids are unique in the app */
+    private static int sLastAutofillId = View.NO_ID;
 
     /**
-     * Gets the next accessibility ID.
+     * Gets the next autofill ID.
      *
-     * <p>All IDs will be smaller or the same as {@link View#LAST_APP_ACCESSIBILITY_ID}. All IDs
+     * <p>All IDs will be smaller or the same as {@link View#LAST_APP_AUTOFILL_ID}. All IDs
      * returned will be unique.
      *
      * @return A ID that is unique in the process
      *
      * {@hide}
      */
-    public int getNextAccessibilityId() {
-        if (sLastAccessibilityId == View.LAST_APP_ACCESSIBILITY_ID - 1) {
-            sLastAccessibilityId = View.NO_ID;
+    public int getNextAutofillId() {
+        if (sLastAutofillId == View.LAST_APP_AUTOFILL_ID - 1) {
+            sLastAutofillId = View.NO_ID;
         }
 
-        sLastAccessibilityId++;
+        sLastAutofillId++;
 
-        return sLastAccessibilityId;
+        return sLastAutofillId;
     }
 
     /**
diff --git a/core/java/android/content/ContextWrapper.java b/core/java/android/content/ContextWrapper.java
index e127ca3..3b27905 100644
--- a/core/java/android/content/ContextWrapper.java
+++ b/core/java/android/content/ContextWrapper.java
@@ -956,8 +956,7 @@
     /**
      * @hide
      */
-    @Override
-    public int getNextAccessibilityId() {
-        return mBase.getNextAccessibilityId();
+    public int getNextAutofillId() {
+        return mBase.getNextAutofillId();
     }
 }
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 65669ee..ee3e986 100755
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -9821,6 +9821,16 @@
         public static final String ENABLE_EPHEMERAL_FEATURE = "enable_ephemeral_feature";
 
         /**
+         * Toggle to enable/disable dexopt for instant applications. The default is for dexopt
+         * to be disabled.
+         * <p>
+         * Type: int (0 to disable, 1 to enable)
+         *
+         * @hide
+         */
+        public static final String INSTANT_APP_DEXOPT_ENABLED = "instant_app_dexopt_enabled";
+
+        /**
          * The min period for caching installed instant apps in milliseconds.
          * <p>
          * Type: long
diff --git a/core/java/android/service/autofill/FillContext.java b/core/java/android/service/autofill/FillContext.java
index 6956c8a..f8a8751 100644
--- a/core/java/android/service/autofill/FillContext.java
+++ b/core/java/android/service/autofill/FillContext.java
@@ -106,15 +106,15 @@
     }
 
     /**
-     * Finds {@link ViewNode}s that have the requested ids.
+     * Finds {@link ViewNode ViewNodes} that have the requested ids.
      *
-     * @param ids The ids of the node to find
+     * @param ids The ids of the node to find.
      *
-     * @return The nodes indexed in the same way as the ids
+     * @return The nodes indexed in the same way as the ids.
      *
      * @hide
      */
-    @NonNull public ViewNode[] findViewNodesByAutofillIds(@NonNull AutofillId... ids) {
+    @NonNull public ViewNode[] findViewNodesByAutofillIds(@NonNull AutofillId[] ids) {
         final LinkedList<ViewNode> nodesToProcess = new LinkedList<>();
         final ViewNode[] foundNodes = new AssistStructure.ViewNode[ids.length];
 
@@ -178,6 +178,30 @@
         return foundNodes;
     }
 
+    /**
+     * Finds the {@link ViewNode} that has the requested {@code id}, if any.
+     *
+     * @hide
+     */
+    @Nullable public ViewNode findViewNodeByAutofillId(@NonNull AutofillId id) {
+        final LinkedList<ViewNode> nodesToProcess = new LinkedList<>();
+        final int numWindowNodes = mStructure.getWindowNodeCount();
+        for (int i = 0; i < numWindowNodes; i++) {
+            nodesToProcess.add(mStructure.getWindowNodeAt(i).getRootViewNode());
+        }
+        while (!nodesToProcess.isEmpty()) {
+            final ViewNode node = nodesToProcess.removeFirst();
+            if (id.equals(node.getAutofillId())) {
+                return node;
+            }
+            for (int i = 0; i < node.getChildCount(); i++) {
+                nodesToProcess.addLast(node.getChildAt(i));
+            }
+        }
+
+        return null;
+    }
+
     public static final Parcelable.Creator<FillContext> CREATOR =
             new Parcelable.Creator<FillContext>() {
         @Override
diff --git a/core/java/android/service/autofill/SaveInfo.java b/core/java/android/service/autofill/SaveInfo.java
index fa3f55b..6ea7d5e 100644
--- a/core/java/android/service/autofill/SaveInfo.java
+++ b/core/java/android/service/autofill/SaveInfo.java
@@ -273,13 +273,24 @@
          *
          * <p>See {@link SaveInfo} for more info.
          *
-         * @throws IllegalArgumentException if {@code requiredIds} is {@code null} or empty.
+         * @throws IllegalArgumentException if {@code requiredIds} is {@code null} or empty, or if
+         * it contains any {@code null} entry.
          */
         public Builder(@SaveDataType int type, @NonNull AutofillId[] requiredIds) {
-            Preconditions.checkArgument(requiredIds != null && requiredIds.length > 0,
-                    "must have at least one required id: " + Arrays.toString(requiredIds));
+            // TODO: add CTS unit tests (not integration) to assert the null cases
             mType = type;
-            mRequiredIds = requiredIds;
+            mRequiredIds = assertValid(requiredIds);
+        }
+
+        private AutofillId[] assertValid(AutofillId[] ids) {
+            Preconditions.checkArgument(ids != null && ids.length > 0,
+                    "must have at least one id: " + Arrays.toString(ids));
+            for (int i = 0; i < ids.length; i++) {
+                final AutofillId id = ids[i];
+                Preconditions.checkArgument(id != null,
+                        "cannot have null id: " + Arrays.toString(ids));
+            }
+            return ids;
         }
 
         /**
@@ -302,12 +313,14 @@
          *
          * @param ids The ids of the optional views.
          * @return This builder.
+         *
+         * @throws IllegalArgumentException if {@code ids} is {@code null} or empty, or if
+         * it contains any {@code null} entry.
          */
-        public @NonNull Builder setOptionalIds(@Nullable AutofillId[] ids) {
+        public @NonNull Builder setOptionalIds(@NonNull AutofillId[] ids) {
+            // TODO: add CTS unit tests (not integration) to assert the null cases
             throwIfDestroyed();
-            if (ids != null && ids.length != 0) {
-                mOptionalIds = ids;
-            }
+            mOptionalIds = assertValid(ids);
             return this;
         }
 
@@ -421,7 +434,10 @@
             final Builder builder = new Builder(parcel.readInt(),
                     parcel.readParcelableArray(null, AutofillId.class));
             builder.setNegativeAction(parcel.readInt(), parcel.readParcelable(null));
-            builder.setOptionalIds(parcel.readParcelableArray(null, AutofillId.class));
+            final AutofillId[] optionalIds = parcel.readParcelableArray(null, AutofillId.class);
+            if (optionalIds != null) {
+                builder.setOptionalIds(optionalIds);
+            }
             builder.setDescription(parcel.readCharSequence());
             builder.setFlags(parcel.readInt());
             return builder.build();
diff --git a/core/java/android/view/Surface.java b/core/java/android/view/Surface.java
index 8bb3fa9..4f9dbd5 100644
--- a/core/java/android/view/Surface.java
+++ b/core/java/android/view/Surface.java
@@ -52,7 +52,9 @@
 
     private static native long nativeCreateFromSurfaceTexture(SurfaceTexture surfaceTexture)
             throws OutOfResourcesException;
+
     private static native long nativeCreateFromSurfaceControl(long surfaceControlNativeObject);
+    private static native long nativeGetFromSurfaceControl(long surfaceControlNativeObject);
 
     private static native long nativeLockCanvas(long nativeObject, Canvas canvas, Rect dirty)
             throws OutOfResourcesException;
@@ -410,6 +412,9 @@
      * back from a client, converting it from the representation being managed
      * by the window manager to the representation the client uses to draw
      * in to it.
+     *
+     * @param other {@link SurfaceControl} to copy from.
+     *
      * @hide
      */
     public void copyFrom(SurfaceControl other) {
@@ -420,7 +425,39 @@
         long surfaceControlPtr = other.mNativeObject;
         if (surfaceControlPtr == 0) {
             throw new NullPointerException(
-                    "SurfaceControl native object is null. Are you using a released SurfaceControl?");
+                    "null SurfaceControl native object. Are you using a released SurfaceControl?");
+        }
+        long newNativeObject = nativeGetFromSurfaceControl(surfaceControlPtr);
+
+        synchronized (mLock) {
+            if (mNativeObject != 0) {
+                nativeRelease(mNativeObject);
+            }
+            setNativeObjectLocked(newNativeObject);
+        }
+    }
+
+    /**
+     * Gets a reference a surface created from this one.  This surface now holds a reference
+     * to the same data as the original surface, and is -not- the owner.
+     * This is for use by the window manager when returning a window surface
+     * back from a client, converting it from the representation being managed
+     * by the window manager to the representation the client uses to draw
+     * in to it.
+     *
+     * @param other {@link SurfaceControl} to create surface from.
+     *
+     * @hide
+     */
+    public void createFrom(SurfaceControl other) {
+        if (other == null) {
+            throw new IllegalArgumentException("other must not be null");
+        }
+
+        long surfaceControlPtr = other.mNativeObject;
+        if (surfaceControlPtr == 0) {
+            throw new NullPointerException(
+                    "null SurfaceControl native object. Are you using a released SurfaceControl?");
         }
         long newNativeObject = nativeCreateFromSurfaceControl(surfaceControlPtr);
 
diff --git a/core/java/android/view/SurfaceView.java b/core/java/android/view/SurfaceView.java
index 679a9cd..34ceeb7 100644
--- a/core/java/android/view/SurfaceView.java
+++ b/core/java/android/view/SurfaceView.java
@@ -641,6 +641,16 @@
                         mSurface.copyFrom(mSurfaceControl);
                     }
 
+                    if (getContext().getApplicationInfo().targetSdkVersion
+                            < Build.VERSION_CODES.O) {
+                        // Some legacy applications use the underlying native {@link Surface} object
+                        // as a key to whether anything has changed. In these cases, updates to the
+                        // existing {@link Surface} will be ignored when the size changes.
+                        // Therefore, we must explicitly recreate the {@link Surface} in these
+                        // cases.
+                        mSurface.createFrom(mSurfaceControl);
+                    }
+
                     if (visible && mSurface.isValid()) {
                         if (!mSurfaceCreated && (surfaceChanged || visibleChanged)) {
                             mSurfaceCreated = true;
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 6ebb355..4882165 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -802,7 +802,7 @@
      *
      * {@hide}
      */
-    public static final int LAST_APP_ACCESSIBILITY_ID = Integer.MAX_VALUE / 2;
+    public static final int LAST_APP_AUTOFILL_ID = Integer.MAX_VALUE / 2;
 
     /**
      * Attribute to find the autofilled highlight
@@ -2045,6 +2045,11 @@
     private SparseArray<Object> mKeyedTags;
 
     /**
+     * The next available accessibility id.
+     */
+    private static int sNextAccessibilityViewId;
+
+    /**
      * The animation currently associated with this view.
      * @hide
      */
@@ -2086,16 +2091,19 @@
     @ViewDebug.ExportedProperty(resolveId = true)
     int mID = NO_ID;
 
-    /** The ID of this view for accessibility and autofill purposes.
+    /** The ID of this view for autofill purposes.
      * <ul>
      *     <li>== {@link #NO_ID}: ID has not been assigned yet
-     *     <li>&le; {@link #LAST_APP_ACCESSIBILITY_ID}: View is not part of a activity. The ID is
+     *     <li>&le; {@link #LAST_APP_AUTOFILL_ID}: View is not part of a activity. The ID is
      *                                                  unique in the process. This might change
      *                                                  over activity lifecycle events.
-     *     <li>&gt; {@link #LAST_APP_ACCESSIBILITY_ID}: View is part of a activity. The ID is
+     *     <li>&gt; {@link #LAST_APP_AUTOFILL_ID}: View is part of a activity. The ID is
      *                                                  unique in the activity. This stays the same
      *                                                  over activity lifecycle events.
      */
+    private int mAutofillViewId = NO_ID;
+
+    // ID for accessibility purposes. This ID must be unique for every window
     private int mAccessibilityViewId = NO_ID;
 
     private int mAccessibilityCursorPosition = ACCESSIBILITY_CURSOR_POSITION_UNDEFINED;
@@ -7723,7 +7731,7 @@
         if (mAutofillId == null) {
             // The autofill id needs to be unique, but its value doesn't matter,
             // so it's better to reuse the accessibility id to save space.
-            mAutofillId = new AutofillId(getAccessibilityViewId());
+            mAutofillId = new AutofillId(getAutofillViewId());
         }
         return mAutofillId;
     }
@@ -7956,7 +7964,7 @@
 
     private boolean isAutofillable() {
         return getAutofillType() != AUTOFILL_TYPE_NONE && isImportantForAutofill()
-                && getAccessibilityViewId() > LAST_APP_ACCESSIBILITY_ID;
+                && getAutofillViewId() > LAST_APP_AUTOFILL_ID;
     }
 
     private void populateVirtualStructure(ViewStructure structure,
@@ -8474,12 +8482,26 @@
      */
     public int getAccessibilityViewId() {
         if (mAccessibilityViewId == NO_ID) {
-            mAccessibilityViewId = mContext.getNextAccessibilityId();
+            mAccessibilityViewId = sNextAccessibilityViewId++;
         }
         return mAccessibilityViewId;
     }
 
     /**
+     * Gets the unique identifier of this view on the screen for autofill purposes.
+     *
+     * @return The view autofill id.
+     *
+     * @hide
+     */
+    public int getAutofillViewId() {
+        if (mAutofillViewId == NO_ID) {
+            mAutofillViewId = mContext.getNextAutofillId();
+        }
+        return mAutofillViewId;
+    }
+
+    /**
      * Gets the unique identifier of the window in which this View reseides.
      *
      * @return The window accessibility id.
@@ -12117,7 +12139,7 @@
         if (isAutofillable()) {
             AutofillManager afm = getAutofillManager();
 
-            if (afm != null && getAccessibilityViewId() > LAST_APP_ACCESSIBILITY_ID) {
+            if (afm != null && getAutofillViewId() > LAST_APP_AUTOFILL_ID) {
                 if (mVisibilityChangeForAutofillHandler != null) {
                     mVisibilityChangeForAutofillHandler.removeMessages(0);
                 }
@@ -17547,16 +17569,16 @@
      *
      * @return Returns a Parcelable object containing the view's current dynamic
      *         state, or null if there is nothing interesting to save.
-     * @see #onRestoreInstanceState(android.os.Parcelable)
-     * @see #saveHierarchyState(android.util.SparseArray)
-     * @see #dispatchSaveInstanceState(android.util.SparseArray)
+     * @see #onRestoreInstanceState(Parcelable)
+     * @see #saveHierarchyState(SparseArray)
+     * @see #dispatchSaveInstanceState(SparseArray)
      * @see #setSaveEnabled(boolean)
      */
     @CallSuper
     @Nullable protected Parcelable onSaveInstanceState() {
         mPrivateFlags |= PFLAG_SAVE_STATE_CALLED;
         if (mStartActivityRequestWho != null || isAutofilled()
-                || mAccessibilityViewId > LAST_APP_ACCESSIBILITY_ID) {
+                || mAutofillViewId > LAST_APP_AUTOFILL_ID) {
             BaseSavedState state = new BaseSavedState(AbsSavedState.EMPTY_STATE);
 
             if (mStartActivityRequestWho != null) {
@@ -17567,13 +17589,13 @@
                 state.mSavedData |= BaseSavedState.IS_AUTOFILLED;
             }
 
-            if (mAccessibilityViewId > LAST_APP_ACCESSIBILITY_ID) {
-                state.mSavedData |= BaseSavedState.ACCESSIBILITY_ID;
+            if (mAutofillViewId > LAST_APP_AUTOFILL_ID) {
+                state.mSavedData |= BaseSavedState.AUTOFILL_ID;
             }
 
             state.mStartActivityRequestWhoSaved = mStartActivityRequestWho;
             state.mIsAutofilled = isAutofilled();
-            state.mAccessibilityViewId = mAccessibilityViewId;
+            state.mAutofillViewId = mAutofillViewId;
             return state;
         }
         return BaseSavedState.EMPTY_STATE;
@@ -17651,8 +17673,8 @@
             if ((baseState.mSavedData & BaseSavedState.IS_AUTOFILLED) != 0) {
                 setAutofilled(baseState.mIsAutofilled);
             }
-            if ((baseState.mSavedData & BaseSavedState.ACCESSIBILITY_ID) != 0) {
-                mAccessibilityViewId = baseState.mAccessibilityViewId;
+            if ((baseState.mSavedData & BaseSavedState.AUTOFILL_ID) != 0) {
+                mAutofillViewId = baseState.mAutofillViewId;
             }
         }
     }
@@ -21476,7 +21498,7 @@
      * @param accessibilityId The searched accessibility id.
      * @return The found view.
      */
-    final <T extends View> T  findViewByAccessibilityId(int accessibilityId) {
+    final <T extends View> T findViewByAccessibilityId(int accessibilityId) {
         if (accessibilityId < 0) {
             return null;
         }
@@ -21488,11 +21510,11 @@
     }
 
     /**
-     * Performs the traversal to find a view by its unuque and stable accessibility id.
+     * Performs the traversal to find a view by its unique and stable accessibility id.
      *
      * <strong>Note:</strong>This method does not stop at the root namespace
      * boundary since the user can touch the screen at an arbitrary location
-     * potentially crossing the root namespace bounday which will send an
+     * potentially crossing the root namespace boundary which will send an
      * accessibility event to accessibility services and they should be able
      * to obtain the event source. Also accessibility ids are guaranteed to be
      * unique in the window.
@@ -21509,6 +21531,23 @@
     }
 
     /**
+     * Performs the traversal to find a view by its autofill id.
+     *
+     * <strong>Note:</strong>This method does not stop at the root namespace
+     * boundary.
+     *
+     * @param autofillId The autofill id.
+     * @return The found view.
+     * @hide
+     */
+    public <T extends View> T findViewByAutofillIdTraversal(int autofillId) {
+        if (getAutofillViewId() == autofillId) {
+            return (T) this;
+        }
+        return null;
+    }
+
+    /**
      * Look for a child view with the given tag.  If this view has the given
      * tag, return this view.
      *
@@ -24974,13 +25013,13 @@
     public static class BaseSavedState extends AbsSavedState {
         static final int START_ACTIVITY_REQUESTED_WHO_SAVED = 0b1;
         static final int IS_AUTOFILLED = 0b10;
-        static final int ACCESSIBILITY_ID = 0b100;
+        static final int AUTOFILL_ID = 0b100;
 
         // Flags that describe what data in this state is valid
         int mSavedData;
         String mStartActivityRequestWhoSaved;
         boolean mIsAutofilled;
-        int mAccessibilityViewId;
+        int mAutofillViewId;
 
         /**
          * Constructor used when reading from a parcel. Reads the state of the superclass.
@@ -25003,7 +25042,7 @@
             mSavedData = source.readInt();
             mStartActivityRequestWhoSaved = source.readString();
             mIsAutofilled = source.readBoolean();
-            mAccessibilityViewId = source.readInt();
+            mAutofillViewId = source.readInt();
         }
 
         /**
@@ -25022,7 +25061,7 @@
             out.writeInt(mSavedData);
             out.writeString(mStartActivityRequestWhoSaved);
             out.writeBoolean(mIsAutofilled);
-            out.writeInt(mAccessibilityViewId);
+            out.writeInt(mAutofillViewId);
         }
 
         public static final Parcelable.Creator<BaseSavedState> CREATOR
diff --git a/core/java/android/view/ViewGroup.java b/core/java/android/view/ViewGroup.java
index 4b79b8c..66df335 100644
--- a/core/java/android/view/ViewGroup.java
+++ b/core/java/android/view/ViewGroup.java
@@ -1361,6 +1361,27 @@
         return null;
     }
 
+    /** @hide */
+    @Override
+    public View findViewByAutofillIdTraversal(int autofillId) {
+        View foundView = super.findViewByAutofillIdTraversal(autofillId);
+        if (foundView != null) {
+            return foundView;
+        }
+
+        final int childrenCount = mChildrenCount;
+        final View[] children = mChildren;
+        for (int i = 0; i < childrenCount; i++) {
+            View child = children[i];
+            foundView = child.findViewByAutofillIdTraversal(autofillId);
+            if (foundView != null) {
+                return foundView;
+            }
+        }
+
+        return null;
+    }
+
     @Override
     public void dispatchWindowFocusChanged(boolean hasFocus) {
         super.dispatchWindowFocusChanged(hasFocus);
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index 2605b4a..fd950db 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -2471,6 +2471,9 @@
         mInLayout = true;
 
         final View host = mView;
+        if (host == null) {
+            return;
+        }
         if (DEBUG_ORIENTATION || DEBUG_LAYOUT) {
             Log.v(mTag, "Laying out " + host + " to (" +
                     host.getMeasuredWidth() + ", " + host.getMeasuredHeight() + ")");
@@ -2778,6 +2781,8 @@
     private void performDraw() {
         if (mAttachInfo.mDisplayState == Display.STATE_OFF && !mReportNextDraw) {
             return;
+        } else if (mView == null) {
+            return;
         }
 
         final boolean fullRedrawNeeded = mFullRedrawNeeded;
diff --git a/core/java/android/view/accessibility/AccessibilityManager.java b/core/java/android/view/accessibility/AccessibilityManager.java
index 41a8b8a..bdadcc7 100644
--- a/core/java/android/view/accessibility/AccessibilityManager.java
+++ b/core/java/android/view/accessibility/AccessibilityManager.java
@@ -912,14 +912,14 @@
     }
 
     /**
-     * Notifies that the availability of the accessibility button in the system's navigation area
+     * Notifies that the visibility of the accessibility button in the system's navigation area
      * has changed.
      *
-     * @param available {@code true} if the accessibility button is available within the system
+     * @param shown {@code true} if the accessibility button is visible within the system
      *                  navigation area, {@code false} otherwise
      * @hide
      */
-    public void notifyAccessibilityButtonAvailabilityChanged(boolean available) {
+    public void notifyAccessibilityButtonVisibilityChanged(boolean shown) {
         final IAccessibilityManager service;
         synchronized (mLock) {
             service = getServiceLocked();
@@ -928,9 +928,9 @@
             }
         }
         try {
-            service.notifyAccessibilityButtonAvailabilityChanged(available);
+            service.notifyAccessibilityButtonVisibilityChanged(shown);
         } catch (RemoteException re) {
-            Log.e(LOG_TAG, "Error while dispatching accessibility button availability change", re);
+            Log.e(LOG_TAG, "Error while dispatching accessibility button visibility change", re);
         }
     }
 
diff --git a/core/java/android/view/accessibility/IAccessibilityManager.aidl b/core/java/android/view/accessibility/IAccessibilityManager.aidl
index 06cb5dc..3f499ab 100644
--- a/core/java/android/view/accessibility/IAccessibilityManager.aidl
+++ b/core/java/android/view/accessibility/IAccessibilityManager.aidl
@@ -64,7 +64,7 @@
 
     void notifyAccessibilityButtonClicked();
 
-    void notifyAccessibilityButtonAvailabilityChanged(boolean available);
+    void notifyAccessibilityButtonVisibilityChanged(boolean available);
 
     // Requires WRITE_SECURE_SETTINGS
     void performAccessibilityShortcut();
diff --git a/core/java/android/view/autofill/AutofillManager.java b/core/java/android/view/autofill/AutofillManager.java
index 310ec1c..5b04f41 100644
--- a/core/java/android/view/autofill/AutofillManager.java
+++ b/core/java/android/view/autofill/AutofillManager.java
@@ -246,20 +246,20 @@
         /**
          * Finds views by traversing the hierarchies of the client.
          *
-         * @param viewIds The accessibility ids of the views to find
+         * @param viewIds The autofill ids of the views to find
          *
          * @return And array containing the views (empty if no views found).
          */
-        @NonNull View[] findViewsByAccessibilityIdTraversal(@NonNull int[] viewIds);
+        @NonNull View[] findViewsByAutofillIdTraversal(@NonNull int[] viewIds);
 
         /**
          * Finds a view by traversing the hierarchies of the client.
          *
-         * @param viewId The accessibility id of the views to find
+         * @param viewId The autofill id of the views to find
          *
          * @return The view, or {@code null} if not found
          */
-        @Nullable View findViewByAccessibilityIdTraversal(int viewId);
+        @Nullable View findViewByAutofillIdTraversal(int viewId);
 
         /**
          * Runs the specified action on the UI thread.
@@ -795,11 +795,11 @@
     }
 
     private static AutofillId getAutofillId(View view) {
-        return new AutofillId(view.getAccessibilityViewId());
+        return new AutofillId(view.getAutofillViewId());
     }
 
     private static AutofillId getAutofillId(View parent, int virtualId) {
-        return new AutofillId(parent.getAccessibilityViewId(), virtualId);
+        return new AutofillId(parent.getAutofillViewId(), virtualId);
     }
 
     private void startSessionLocked(@NonNull AutofillId id, @NonNull Rect bounds,
@@ -1039,7 +1039,7 @@
             final int itemCount = ids.size();
             int numApplied = 0;
             ArrayMap<View, SparseArray<AutofillValue>> virtualValues = null;
-            final View[] views = client.findViewsByAccessibilityIdTraversal(getViewIds(ids));
+            final View[] views = client.findViewsByAutofillIdTraversal(getViewIds(ids));
 
             for (int i = 0; i < itemCount; i++) {
                 final AutofillId id = ids.get(i);
@@ -1232,7 +1232,7 @@
             return null;
         }
 
-        return client.findViewByAccessibilityIdTraversal(autofillId.getViewId());
+        return client.findViewByAutofillIdTraversal(autofillId.getViewId());
     }
 
     /** @hide */
diff --git a/core/java/android/widget/Editor.java b/core/java/android/widget/Editor.java
index 0e6e3ae..45e5f8a 100644
--- a/core/java/android/widget/Editor.java
+++ b/core/java/android/widget/Editor.java
@@ -2584,14 +2584,18 @@
         if (offset == -1) {
             return;
         }
+
         stopTextActionModeWithPreservingSelection();
-        final boolean isOnSelection = mTextView.hasSelection()
-                && offset >= mTextView.getSelectionStart() && offset <= mTextView.getSelectionEnd();
-        if (!isOnSelection) {
-            // Right clicked position is not on the selection. Remove the selection and move the
-            // cursor to the right clicked position.
-            Selection.setSelection((Spannable) mTextView.getText(), offset);
-            stopTextActionMode();
+        if (mTextView.canSelectText()) {
+            final boolean isOnSelection = mTextView.hasSelection()
+                    && offset >= mTextView.getSelectionStart()
+                    && offset <= mTextView.getSelectionEnd();
+            if (!isOnSelection) {
+                // Right clicked position is not on the selection. Remove the selection and move the
+                // cursor to the right clicked position.
+                Selection.setSelection((Spannable) mTextView.getText(), offset);
+                stopTextActionMode();
+            }
         }
 
         if (shouldOfferToShowSuggestions()) {
diff --git a/core/jni/android_view_Surface.cpp b/core/jni/android_view_Surface.cpp
index 5839fd5..7744e0c 100644
--- a/core/jni/android_view_Surface.cpp
+++ b/core/jni/android_view_Surface.cpp
@@ -394,6 +394,16 @@
 
 static jlong nativeCreateFromSurfaceControl(JNIEnv* env, jclass clazz,
         jlong surfaceControlNativeObj) {
+    sp<SurfaceControl> ctrl(reinterpret_cast<SurfaceControl *>(surfaceControlNativeObj));
+    sp<Surface> surface(ctrl->createSurface());
+    if (surface != NULL) {
+        surface->incStrong(&sRefBaseOwner);
+    }
+    return reinterpret_cast<jlong>(surface.get());
+}
+
+static jlong nativeGetFromSurfaceControl(JNIEnv* env, jclass clazz,
+        jlong surfaceControlNativeObj) {
     /*
      * This is used by the WindowManagerService just after constructing
      * a Surface and is necessary for returning the Surface reference to
@@ -590,6 +600,8 @@
             (void*)nativeAllocateBuffers },
     {"nativeCreateFromSurfaceControl", "(J)J",
             (void*)nativeCreateFromSurfaceControl },
+    {"nativeGetFromSurfaceControl", "(J)J",
+            (void*)nativeGetFromSurfaceControl },
     {"nativeReadFromParcel", "(JLandroid/os/Parcel;)J",
             (void*)nativeReadFromParcel },
     {"nativeWriteToParcel", "(JLandroid/os/Parcel;)V",
diff --git a/core/res/res/values-da/strings.xml b/core/res/res/values-da/strings.xml
index 3251771..8139176 100644
--- a/core/res/res/values-da/strings.xml
+++ b/core/res/res/values-da/strings.xml
@@ -1288,10 +1288,10 @@
     <string name="vpn_title_long" msgid="6400714798049252294">"VPN aktiveres af <xliff:g id="APP">%s</xliff:g>"</string>
     <string name="vpn_text" msgid="1610714069627824309">"Tryk for at administrere netværket."</string>
     <string name="vpn_text_long" msgid="4907843483284977618">"Forbundet til <xliff:g id="SESSION">%s</xliff:g>. Tryk for at administrere netværket."</string>
-    <string name="vpn_lockdown_connecting" msgid="6443438964440960745">"Opretter forbindelse til altid aktiveret VPN…"</string>
-    <string name="vpn_lockdown_connected" msgid="8202679674819213931">"Altid aktiveret VPN er forbundet"</string>
-    <string name="vpn_lockdown_disconnected" msgid="4532298952570796327">"Forbindelsen til altid aktiveret VPN er afbrudt"</string>
-    <string name="vpn_lockdown_error" msgid="6009249814034708175">"Fejl i altid aktiveret VPN"</string>
+    <string name="vpn_lockdown_connecting" msgid="6443438964440960745">"Opretter forbindelse til konstant VPN…"</string>
+    <string name="vpn_lockdown_connected" msgid="8202679674819213931">"Konstant VPN er forbundet"</string>
+    <string name="vpn_lockdown_disconnected" msgid="4532298952570796327">"Forbindelsen til konstant VPN er afbrudt"</string>
+    <string name="vpn_lockdown_error" msgid="6009249814034708175">"Fejl i konstant VPN"</string>
     <string name="vpn_lockdown_config" msgid="5099330695245008680">"Tryk for at konfigurere"</string>
     <string name="upload_file" msgid="2897957172366730416">"Vælg fil"</string>
     <string name="no_file_chosen" msgid="6363648562170759465">"Ingen fil er valgt"</string>
diff --git a/core/res/res/values-de/strings.xml b/core/res/res/values-de/strings.xml
index 778163c..a341a8a 100644
--- a/core/res/res/values-de/strings.xml
+++ b/core/res/res/values-de/strings.xml
@@ -447,7 +447,7 @@
     <string name="permlab_changeTetherState" msgid="5952584964373017960">"Tethering-Konnektivität ändern"</string>
     <string name="permdesc_changeTetherState" msgid="1524441344412319780">"Ermöglicht der App, den Status der Tethering-Konnektivität zu ändern"</string>
     <string name="permlab_accessWifiState" msgid="5202012949247040011">"WLAN-Verbindungen abrufen"</string>
-    <string name="permdesc_accessWifiState" msgid="5002798077387803726">"Ermöglicht der App, Informationen zu WLANs abzurufen, etwa ob ein WLAN aktiviert ist, und den Namen verbundener WLAN-Geräte."</string>
+    <string name="permdesc_accessWifiState" msgid="5002798077387803726">"Ermöglicht der App, Informationen zu WLAN-Netzwerken abzurufen, etwa ob ein WLAN aktiviert ist, und den Namen verbundener WLAN-Geräte."</string>
     <string name="permlab_changeWifiState" msgid="6550641188749128035">"WLAN-Verbindungen herstellen und trennen"</string>
     <string name="permdesc_changeWifiState" msgid="7137950297386127533">"Ermöglicht der App, eine Verbindung zu WLAN-Zugangspunkten herzustellen und solche zu trennen und Änderungen an der Gerätekonfiguration für WLAN-Netzwerke vorzunehmen."</string>
     <string name="permlab_changeWifiMulticastState" msgid="1368253871483254784">"WLAN-Multicast-Empfang zulassen"</string>
diff --git a/packages/PrintSpooler/src/com/android/printspooler/model/PageContentRepository.java b/packages/PrintSpooler/src/com/android/printspooler/model/PageContentRepository.java
index 6140428..41952df 100644
--- a/packages/PrintSpooler/src/com/android/printspooler/model/PageContentRepository.java
+++ b/packages/PrintSpooler/src/com/android/printspooler/model/PageContentRepository.java
@@ -16,6 +16,8 @@
 
 package com.android.printspooler.model;
 
+import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.app.ActivityManager;
 import android.content.ComponentName;
 import android.content.Context;
@@ -29,21 +31,27 @@
 import android.os.IBinder;
 import android.os.ParcelFileDescriptor;
 import android.os.RemoteException;
+import android.print.PageRange;
 import android.print.PrintAttributes;
-import android.print.PrintAttributes.MediaSize;
 import android.print.PrintAttributes.Margins;
+import android.print.PrintAttributes.MediaSize;
 import android.print.PrintDocumentInfo;
 import android.util.ArrayMap;
 import android.util.Log;
 import android.view.View;
+
 import com.android.internal.annotations.GuardedBy;
 import com.android.printspooler.renderer.IPdfRenderer;
 import com.android.printspooler.renderer.PdfManipulationService;
 import com.android.printspooler.util.BitmapSerializeUtils;
+import com.android.printspooler.util.PageRangeUtils;
+
 import dalvik.system.CloseGuard;
+
 import libcore.io.IoUtils;
 
 import java.io.IOException;
+import java.util.Arrays;
 import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.Map;
@@ -69,8 +77,9 @@
 
     private RenderSpec mLastRenderSpec;
 
-    private int mScheduledPreloadFirstShownPage = INVALID_PAGE_INDEX;
-    private int mScheduledPreloadLastShownPage = INVALID_PAGE_INDEX;
+    @Nullable private PageRange mScheduledPreloadVisiblePages;
+    @Nullable private PageRange[] mScheduledPreloadSelectedPages;
+    @Nullable private PageRange[] mScheduledPreloadWrittenPages;
 
     private int mState;
 
@@ -129,14 +138,24 @@
         }
     }
 
-    public void startPreload(int firstShownPage, int lastShownPage) {
+    /**
+     * Preload selected, written pages around visiblePages.
+     *
+     * @param visiblePages The pages currently visible
+     * @param selectedPages The pages currently selected (e.g. they might become visible by
+     *                      scrolling)
+     * @param writtenPages The pages currently in the document
+     */
+    public void startPreload(@NonNull PageRange visiblePages, @NonNull PageRange[] selectedPages,
+            @NonNull PageRange[] writtenPages) {
         // If we do not have a render spec we have no clue what size the
         // preloaded bitmaps should be, so just take a note for what to do.
         if (mLastRenderSpec == null) {
-            mScheduledPreloadFirstShownPage = firstShownPage;
-            mScheduledPreloadLastShownPage = lastShownPage;
+            mScheduledPreloadVisiblePages = visiblePages;
+            mScheduledPreloadSelectedPages = selectedPages;
+            mScheduledPreloadWrittenPages = writtenPages;
         } else if (mState == STATE_OPENED) {
-            mRenderer.startPreload(firstShownPage, lastShownPage, mLastRenderSpec);
+            mRenderer.startPreload(visiblePages, selectedPages, writtenPages, mLastRenderSpec);
         }
     }
 
@@ -222,11 +241,12 @@
 
             // We tired to preload but didn't know the bitmap size, now
             // that we know let us do the work.
-            if (mScheduledPreloadFirstShownPage != INVALID_PAGE_INDEX
-                    && mScheduledPreloadLastShownPage != INVALID_PAGE_INDEX) {
-                startPreload(mScheduledPreloadFirstShownPage, mScheduledPreloadLastShownPage);
-                mScheduledPreloadFirstShownPage = INVALID_PAGE_INDEX;
-                mScheduledPreloadLastShownPage = INVALID_PAGE_INDEX;
+            if (mScheduledPreloadVisiblePages != null) {
+                startPreload(mScheduledPreloadVisiblePages, mScheduledPreloadSelectedPages,
+                        mScheduledPreloadWrittenPages);
+                mScheduledPreloadVisiblePages = null;
+                mScheduledPreloadSelectedPages = null;
+                mScheduledPreloadWrittenPages = null;
             }
 
             if (mState == STATE_OPENED) {
@@ -523,10 +543,45 @@
             mDestroyed = true;
         }
 
-        public void startPreload(int firstShownPage, int lastShownPage, RenderSpec renderSpec) {
+        /**
+         * How many pages are {@code pages} before pageNum. E.g. page 5 in [0-1], [4-7] has the
+         * index 4.
+         *
+         * @param pageNum The number of the page to find
+         * @param pages A normalized array of page ranges
+         *
+         * @return The index or {@link #INVALID_PAGE_INDEX} if not found
+         */
+        private int findIndexOfPage(int pageNum, @NonNull PageRange[] pages) {
+            int pagesBefore = 0;
+            for (int i = 0; i < pages.length; i++) {
+                if (pages[i].contains(pageNum)) {
+                    return pagesBefore + pageNum - pages[i].getStart();
+                } else {
+                    pagesBefore += pages[i].getSize();
+                }
+            }
+
+            return INVALID_PAGE_INDEX;
+        }
+
+        void startPreload(@NonNull PageRange visiblePages, @NonNull PageRange[] selectedPages,
+                @NonNull PageRange[] writtenPages, RenderSpec renderSpec) {
+            if (PageRangeUtils.isAllPages(selectedPages)) {
+                selectedPages = new PageRange[]{new PageRange(0, mPageCount - 1)};
+            }
+
             if (DEBUG) {
-                Log.i(LOG_TAG, "Preloading pages around [" + firstShownPage
-                        + "-" + lastShownPage + "]");
+                Log.i(LOG_TAG, "Preloading pages around " + visiblePages + " from "
+                        + Arrays.toString(selectedPages));
+            }
+
+            int firstVisiblePageIndex = findIndexOfPage(visiblePages.getStart(), selectedPages);
+            int lastVisiblePageIndex = findIndexOfPage(visiblePages.getEnd(), selectedPages);
+
+            if (firstVisiblePageIndex == INVALID_PAGE_INDEX
+                    || lastVisiblePageIndex == INVALID_PAGE_INDEX) {
+                return;
             }
 
             final int bitmapSizeInBytes = renderSpec.bitmapWidth * renderSpec.bitmapHeight
@@ -534,28 +589,33 @@
             final int maxCachedPageCount = mPageContentCache.getMaxSizeInBytes()
                     / bitmapSizeInBytes;
             final int halfPreloadCount = (maxCachedPageCount
-                    - (lastShownPage - firstShownPage)) / 2 - 1;
+                    - (lastVisiblePageIndex - firstVisiblePageIndex)) / 2 - 1;
 
-            final int excessFromStart;
-            if (firstShownPage - halfPreloadCount < 0) {
-                excessFromStart = halfPreloadCount - firstShownPage;
-            } else {
-                excessFromStart = 0;
+            final int fromIndex = Math.max(firstVisiblePageIndex - halfPreloadCount, 0);
+            final int toIndex = lastVisiblePageIndex + halfPreloadCount;
+
+            if (DEBUG) {
+                Log.i(LOG_TAG, "fromIndex=" + fromIndex + " toIndex=" + toIndex);
             }
 
-            final int excessFromEnd;
-            if (lastShownPage + halfPreloadCount >= mPageCount) {
-                excessFromEnd = (lastShownPage + halfPreloadCount) - mPageCount;
-            } else {
-                excessFromEnd = 0;
-            }
+            int previousRangeSizes = 0;
+            for (int rangeNum = 0; rangeNum < selectedPages.length; rangeNum++) {
+                PageRange range = selectedPages[rangeNum];
 
-            final int fromIndex = Math.max(firstShownPage - halfPreloadCount - excessFromEnd, 0);
-            final int toIndex = Math.min(lastShownPage + halfPreloadCount + excessFromStart,
-                    mPageCount - 1);
+                int thisRangeStart = Math.max(0, fromIndex - previousRangeSizes);
+                int thisRangeEnd = Math.min(range.getSize(), toIndex - previousRangeSizes + 1);
 
-            for (int i = fromIndex; i <= toIndex; i++) {
-                renderPage(i, renderSpec, null);
+                for (int i = thisRangeStart; i < thisRangeEnd; i++) {
+                    if (PageRangeUtils.contains(writtenPages, range.getStart() + i)) {
+                        if (DEBUG) {
+                            Log.i(LOG_TAG, "Preloading " + (range.getStart() + i));
+                        }
+
+                        renderPage(range.getStart() + i, renderSpec, null);
+                    }
+                }
+
+                previousRangeSizes += range.getSize();
             }
         }
 
diff --git a/packages/PrintSpooler/src/com/android/printspooler/ui/PageAdapter.java b/packages/PrintSpooler/src/com/android/printspooler/ui/PageAdapter.java
index 54400b3..1eadb8e 100644
--- a/packages/PrintSpooler/src/com/android/printspooler/ui/PageAdapter.java
+++ b/packages/PrintSpooler/src/com/android/printspooler/ui/PageAdapter.java
@@ -16,6 +16,7 @@
 
 package com.android.printspooler.ui;
 
+import android.annotation.NonNull;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Canvas;
@@ -24,8 +25,8 @@
 import android.os.Looper;
 import android.os.ParcelFileDescriptor;
 import android.print.PageRange;
-import android.print.PrintAttributes.MediaSize;
 import android.print.PrintAttributes.Margins;
+import android.print.PrintAttributes.MediaSize;
 import android.print.PrintDocumentInfo;
 import android.support.v7.widget.RecyclerView.Adapter;
 import android.support.v7.widget.RecyclerView.ViewHolder;
@@ -33,11 +34,12 @@
 import android.util.SparseArray;
 import android.view.LayoutInflater;
 import android.view.View;
+import android.view.View.MeasureSpec;
 import android.view.View.OnClickListener;
 import android.view.ViewGroup;
 import android.view.ViewGroup.LayoutParams;
-import android.view.View.MeasureSpec;
 import android.widget.TextView;
+
 import com.android.printspooler.R;
 import com.android.printspooler.model.OpenDocumentCallback;
 import com.android.printspooler.model.PageContentRepository;
@@ -45,6 +47,7 @@
 import com.android.printspooler.util.PageRangeUtils;
 import com.android.printspooler.widget.PageContentView;
 import com.android.printspooler.widget.PreviewPageFrame;
+
 import dalvik.system.CloseGuard;
 
 import java.util.ArrayList;
@@ -794,14 +797,16 @@
         page.setTag(null);
     }
 
-    public void startPreloadContent(PageRange pageRangeInAdapter) {
-        final int startPageInDocument = computePageIndexInDocument(pageRangeInAdapter.getStart());
-        final int startPageInFile = computePageIndexInFile(startPageInDocument);
-        final int endPageInDocument = computePageIndexInDocument(pageRangeInAdapter.getEnd());
-        final int endPageInFile = computePageIndexInFile(endPageInDocument);
-        if (startPageInDocument != INVALID_PAGE_INDEX && endPageInDocument != INVALID_PAGE_INDEX) {
-            mPageContentRepository.startPreload(startPageInFile, endPageInFile);
+    void startPreloadContent(@NonNull PageRange visiblePagesInAdapter) {
+        int startVisibleDocument = computePageIndexInDocument(visiblePagesInAdapter.getStart());
+        int endVisibleDocument = computePageIndexInDocument(visiblePagesInAdapter.getEnd());
+        if (startVisibleDocument == INVALID_PAGE_INDEX
+                || endVisibleDocument == INVALID_PAGE_INDEX) {
+            return;
         }
+
+        mPageContentRepository.startPreload(new PageRange(startVisibleDocument, endVisibleDocument),
+                mSelectedPages, mWrittenPages);
     }
 
     public void stopPreloadContent() {
diff --git a/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java b/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java
index 623d1a6..0ea9d96 100644
--- a/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java
+++ b/packages/SettingsLib/src/com/android/settingslib/wifi/AccessPoint.java
@@ -511,7 +511,10 @@
             }
         }
 
-        mSeen = seen;
+        // Only replace the previous value if we have a recent scan result to use
+        if (seen != 0) {
+            mSeen = seen;
+        }
     }
 
     /**
@@ -940,8 +943,10 @@
         security = getSecurity(result);
         if (security == SECURITY_PSK)
             pskType = getPskType(result);
-        mRssi = result.level;
-        mSeen = result.timestamp;
+
+        mScanResultCache.put(result.BSSID, result);
+        updateRssi();
+        mSeen = result.timestamp; // even if the timestamp is old it is still valid
     }
 
     public void saveWifiState(Bundle savedState) {
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 74a7e51..f58fe82 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
@@ -5050,6 +5050,12 @@
         mDozing = mDozingRequested && mState == StatusBarState.KEYGUARD
                 || mFingerprintUnlockController.getMode()
                         == FingerprintUnlockController.MODE_WAKE_AND_UNLOCK_PULSING;
+        // When in wake-and-unlock we may not have received a change to mState
+        // but we still should not be dozing, manually set to false.
+        if (mFingerprintUnlockController.getMode() ==
+                FingerprintUnlockController.MODE_WAKE_AND_UNLOCK) {
+            mDozing = false;
+        }
         mStatusBarWindowManager.setDozing(mDozing);
         updateDozingState();
         Trace.endSection();
diff --git a/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java b/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java
index fa78f10..7ddc1a2 100644
--- a/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java
+++ b/services/accessibility/java/com/android/server/accessibility/AccessibilityManagerService.java
@@ -243,6 +243,8 @@
 
     private WindowsForAccessibilityCallback mWindowsForAccessibilityCallback;
 
+    private boolean mIsAccessibilityButtonShown;
+
     private UserState getCurrentUserStateLocked() {
         return getUserStateLocked(mCurrentUserId);
     }
@@ -881,21 +883,21 @@
     }
 
     /**
-     * Invoked remotely over AIDL by SysUi when the availability of the accessibility
+     * Invoked remotely over AIDL by SysUi when the visibility of the accessibility
      * button within the system's navigation area has changed.
      *
-     * @param available {@code true} if the accessibility button is available to the
+     * @param shown {@code true} if the accessibility button is shown to the
      *                  user, {@code false} otherwise
      */
     @Override
-    public void notifyAccessibilityButtonAvailabilityChanged(boolean available) {
+    public void notifyAccessibilityButtonVisibilityChanged(boolean shown) {
         if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.STATUS_BAR_SERVICE)
                 != PackageManager.PERMISSION_GRANTED) {
             throw new SecurityException("Caller does not hold permission "
                     + android.Manifest.permission.STATUS_BAR_SERVICE);
         }
         synchronized (mLock) {
-            notifyAccessibilityButtonAvailabilityChangedLocked(available);
+            notifyAccessibilityButtonVisibilityChangedLocked(shown);
         }
     }
 
@@ -1200,13 +1202,14 @@
         }
     }
 
-    private void notifyAccessibilityButtonAvailabilityChangedLocked(boolean available) {
+    private void notifyAccessibilityButtonVisibilityChangedLocked(boolean available) {
         final UserState state = getCurrentUserStateLocked();
-        state.mIsAccessibilityButtonAvailable = available;
+        mIsAccessibilityButtonShown = available;
         for (int i = state.mBoundServices.size() - 1; i >= 0; i--) {
             final Service service = state.mBoundServices.get(i);
             if (service.mRequestAccessibilityButton) {
-                service.notifyAccessibilityButtonAvailabilityChangedLocked(available);
+                service.notifyAccessibilityButtonAvailabilityChangedLocked(
+                        service.isAccessibilityButtonAvailableLocked(state));
             }
         }
     }
@@ -1733,7 +1736,7 @@
         scheduleUpdateInputFilter(userState);
         scheduleUpdateClientsIfNeededLocked(userState);
         updateRelevantEventsLocked(userState);
-        updateAccessibilityButtonTargets(userState);
+        updateAccessibilityButtonTargetsLocked(userState);
     }
 
     private void updateAccessibilityFocusBehaviorLocked(UserState userState) {
@@ -2183,18 +2186,12 @@
         }
     }
 
-    private void updateAccessibilityButtonTargets(UserState userState) {
-        final List<Service> services;
-        synchronized (mLock) {
-            services = userState.mBoundServices;
-            int numServices = services.size();
-            for (int i = 0; i < numServices; i++) {
-                final Service service = services.get(i);
-                if (service.mRequestAccessibilityButton) {
-                    boolean available = service.mComponentName.equals(
-                            userState.mServiceAssignedToAccessibilityButton);
-                    service.notifyAccessibilityButtonAvailabilityChangedLocked(available);
-                }
+    private void updateAccessibilityButtonTargetsLocked(UserState userState) {
+        for (int i = userState.mBoundServices.size() - 1; i >= 0; i--) {
+            final Service service = userState.mBoundServices.get(i);
+            if (service.mRequestAccessibilityButton) {
+                service.notifyAccessibilityButtonAvailabilityChangedLocked(
+                        service.isAccessibilityButtonAvailableLocked(userState));
             }
         }
     }
@@ -2501,7 +2498,7 @@
 
                 case MSG_SHOW_ACCESSIBILITY_BUTTON_CHOOSER: {
                     showAccessibilityButtonTargetSelection();
-                }
+                } break;
             }
         }
 
@@ -2656,6 +2653,10 @@
 
         boolean mRequestAccessibilityButton;
 
+        boolean mReceivedAccessibilityButtonCallbackSinceBind;
+
+        boolean mLastAccessibilityButtonCallbackState;
+
         int mFetchFlags;
 
         long mNotificationTimeout;
@@ -3596,9 +3597,8 @@
                     return false;
                 }
                 userState = getCurrentUserStateLocked();
+                return isAccessibilityButtonAvailableLocked(userState);
             }
-
-            return mRequestAccessibilityButton && userState.mIsAccessibilityButtonAvailable;
         }
 
         @Override
@@ -3656,6 +3656,7 @@
                 mService = null;
             }
             mServiceInterface = null;
+            mReceivedAccessibilityButtonCallbackSinceBind = false;
         }
 
         public boolean isConnectedLocked() {
@@ -3728,6 +3729,48 @@
             }
         }
 
+        private boolean isAccessibilityButtonAvailableLocked(UserState userState) {
+            // If the service does not request the accessibility button, it isn't available
+            if (!mRequestAccessibilityButton) {
+                return false;
+            }
+
+            // If the accessibility button isn't currently shown, it cannot be available to services
+            if (!mIsAccessibilityButtonShown) {
+                return false;
+            }
+
+            // If magnification is on and assigned to the accessibility button, services cannot be
+            if (userState.mIsNavBarMagnificationEnabled
+                    && userState.mIsNavBarMagnificationAssignedToAccessibilityButton) {
+                return false;
+            }
+
+            int requestingServices = 0;
+            for (int i = userState.mBoundServices.size() - 1; i >= 0; i--) {
+                final Service service = userState.mBoundServices.get(i);
+                if (service.mRequestAccessibilityButton) {
+                    requestingServices++;
+                }
+            }
+
+            if (requestingServices == 1) {
+                // If only a single service is requesting, it must be this service, and the
+                // accessibility button is available to it
+                return true;
+            } else {
+                // With more than one active service, we derive the target from the user's settings
+                if (userState.mServiceAssignedToAccessibilityButton == null) {
+                    // If the user has not made an assignment, we treat the button as available to
+                    // all services until the user interacts with the button to make an assignment
+                    return true;
+                } else {
+                    // If an assignment was made, it defines availability
+                    return mComponentName.equals(userState.mServiceAssignedToAccessibilityButton);
+                }
+            }
+        }
+
         /**
          * Notifies an accessibility service client for a scheduled event given the event type.
          *
@@ -3875,6 +3918,13 @@
         }
 
         private void notifyAccessibilityButtonAvailabilityChangedInternal(boolean available) {
+            // Only notify the service if it's not been notified or the state has changed
+            if (mReceivedAccessibilityButtonCallbackSinceBind
+                    && (mLastAccessibilityButtonCallbackState == available)) {
+                return;
+            }
+            mReceivedAccessibilityButtonCallbackSinceBind = true;
+            mLastAccessibilityButtonCallbackState = available;
             final IAccessibilityServiceClient listener;
             synchronized (mLock) {
                 listener = mServiceInterface;
@@ -4874,7 +4924,6 @@
 
         public int mSoftKeyboardShowMode = 0;
 
-        public boolean mIsAccessibilityButtonAvailable;
         public boolean mIsNavBarMagnificationAssignedToAccessibilityButton;
         public ComponentName mServiceAssignedToAccessibilityButton;
 
@@ -4954,9 +5003,6 @@
             mIsNavBarMagnificationAssignedToAccessibilityButton = false;
             mIsAutoclickEnabled = false;
             mSoftKeyboardShowMode = 0;
-
-            // Clear state tracked from system UI
-            mIsAccessibilityButtonAvailable = false;
         }
 
         public void destroyUiAutomationService() {
diff --git a/services/autofill/java/com/android/server/autofill/Session.java b/services/autofill/java/com/android/server/autofill/Session.java
index 073d7b2..3ae0511 100644
--- a/services/autofill/java/com/android/server/autofill/Session.java
+++ b/services/autofill/java/com/android/server/autofill/Session.java
@@ -255,7 +255,9 @@
 
             final ViewNode node = nodes[i];
             if (node == null) {
-                Slog.w(TAG, "fillStructureWithAllowedValues(): no node for " + viewState.id);
+                if (sVerbose) {
+                    Slog.v(TAG, "fillStructureWithAllowedValues(): no node for " + viewState.id);
+                }
                 continue;
             }
 
@@ -862,11 +864,9 @@
         final int numContexts = mContexts.size();
         for (int i = 0; i < numContexts; i++) {
             final FillContext context = mContexts.get(i);
-            // TODO: create a function that gets just one node so it doesn't create an array
-            // unnecessarily
-            final ViewNode[] nodes = context.findViewNodesByAutofillIds(id);
-            if (nodes != null) {
-                AutofillValue candidate = nodes[0].getAutofillValue();
+            final ViewNode node = context.findViewNodeByAutofillId(id);
+            if (node != null) {
+                final AutofillValue candidate = node.getAutofillValue();
                 if (sDebug) {
                     Slog.d(TAG, "getValueFromContexts(" + id + ") at " + i + ": " + candidate);
                 }
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index 4d44b63..14be25b 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -24015,6 +24015,13 @@
                 if (reason != null) {
                     pw.println("  Reason: " + reason);
                 }
+                pw.println("  mLastHomeActivityStartResult: "
+                        + mActivityStarter.mLastHomeActivityStartResult);
+                final ActivityRecord r = mActivityStarter.mLastHomeActivityStartRecord[0];
+                if (r != null) {
+                    pw.println("  mLastHomeActivityStartRecord:");
+                    r.dump(pw, "   ");
+                }
                 pw.println();
                 dumpActivitiesLocked(null /* fd */, pw, null /* args */, 0 /* opti */,
                         true /* dumpAll */, false /* dumpClient */, null /* dumpPackage */,
diff --git a/services/core/java/com/android/server/am/ActivityStarter.java b/services/core/java/com/android/server/am/ActivityStarter.java
index 1ed2ac1..d74d1d6 100644
--- a/services/core/java/com/android/server/am/ActivityStarter.java
+++ b/services/core/java/com/android/server/am/ActivityStarter.java
@@ -188,6 +188,11 @@
 
     private boolean mUsingVr2dDisplay;
 
+    // Last home activity record we attempted to start
+    final ActivityRecord[] mLastHomeActivityStartRecord = new ActivityRecord[1];
+    // The result of the last home activity we attempted to start.
+    int mLastHomeActivityStartResult;
+
     private void reset() {
         mStartActivity = null;
         mIntent = null;
@@ -592,12 +597,13 @@
 
     void startHomeActivityLocked(Intent intent, ActivityInfo aInfo, String reason) {
         mSupervisor.moveHomeStackTaskToTop(reason);
-        startActivityLocked(null /*caller*/, intent, null /*ephemeralIntent*/,
-                null /*resolvedType*/, aInfo, null /*rInfo*/, null /*voiceSession*/,
-                null /*voiceInteractor*/, null /*resultTo*/, null /*resultWho*/,
-                0 /*requestCode*/, 0 /*callingPid*/, 0 /*callingUid*/, null /*callingPackage*/,
-                0 /*realCallingPid*/, 0 /*realCallingUid*/, 0 /*startFlags*/, null /*options*/,
-                false /*ignoreTargetSecurity*/, false /*componentSpecified*/, null /*outActivity*/,
+        mLastHomeActivityStartResult = startActivityLocked(null /*caller*/, intent,
+                null /*ephemeralIntent*/, null /*resolvedType*/, aInfo, null /*rInfo*/,
+                null /*voiceSession*/, null /*voiceInteractor*/, null /*resultTo*/,
+                null /*resultWho*/, 0 /*requestCode*/, 0 /*callingPid*/, 0 /*callingUid*/,
+                null /*callingPackage*/, 0 /*realCallingPid*/, 0 /*realCallingUid*/,
+                0 /*startFlags*/, null /*options*/, false /*ignoreTargetSecurity*/,
+                false /*componentSpecified*/, mLastHomeActivityStartRecord /*outActivity*/,
                 null /*container*/, null /*inTask*/);
         if (mSupervisor.inResumeTopActivity) {
             // If we are in resume section already, home activity will be initialized, but not
diff --git a/services/core/java/com/android/server/am/BroadcastQueue.java b/services/core/java/com/android/server/am/BroadcastQueue.java
index 639b7a9..b3a2c29 100644
--- a/services/core/java/com/android/server/am/BroadcastQueue.java
+++ b/services/core/java/com/android/server/am/BroadcastQueue.java
@@ -614,9 +614,10 @@
             skip = true;
         }
 
-        if (!skip && (filter.receiverList.app == null || filter.receiverList.app.crashing)) {
+        if (!skip && (filter.receiverList.app == null || filter.receiverList.app.killed
+                || filter.receiverList.app.crashing)) {
             Slog.w(TAG, "Skipping deliver [" + mQueueName + "] " + r
-                    + " to " + filter.receiverList + ": process crashing");
+                    + " to " + filter.receiverList + ": process gone or crashing");
             skip = true;
         }
 
@@ -1317,7 +1318,7 @@
             }
 
             // Is this receiver's application already running?
-            if (app != null && app.thread != null) {
+            if (app != null && app.thread != null && !app.killed) {
                 try {
                     app.addPackage(info.activityInfo.packageName,
                             info.activityInfo.applicationInfo.versionCode, mService.mProcessStats);
diff --git a/services/core/java/com/android/server/am/UserState.java b/services/core/java/com/android/server/am/UserState.java
index 9970c82..b89586d 100644
--- a/services/core/java/com/android/server/am/UserState.java
+++ b/services/core/java/com/android/server/am/UserState.java
@@ -69,7 +69,6 @@
     public boolean setState(int oldState, int newState) {
         if (state == oldState) {
             setState(newState);
-            EventLogTags.writeAmUserStateChanged(mHandle.getIdentifier(), newState);
             return true;
         } else {
             Slog.w(TAG, "Expected user " + mHandle.getIdentifier() + " in state "
@@ -84,6 +83,7 @@
         }
         Slog.i(TAG, "User " + mHandle.getIdentifier() + " state changed from "
                 + stateToString(state) + " to " + stateToString(newState));
+        EventLogTags.writeAmUserStateChanged(mHandle.getIdentifier(), newState);
         lastState = state;
         state = newState;
     }
diff --git a/services/core/java/com/android/server/notification/NotificationRecord.java b/services/core/java/com/android/server/notification/NotificationRecord.java
index 8952870..6953ffd 100644
--- a/services/core/java/com/android/server/notification/NotificationRecord.java
+++ b/services/core/java/com/android/server/notification/NotificationRecord.java
@@ -25,6 +25,7 @@
 import android.app.NotificationChannel;
 import android.content.Context;
 import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
@@ -170,6 +171,11 @@
     private Uri calculateSound() {
         final Notification n = sbn.getNotification();
 
+        // No notification sounds on tv
+        if (mContext.getPackageManager().hasSystemFeature(PackageManager.FEATURE_LEANBACK)) {
+            return null;
+        }
+
         Uri sound = mChannel.getSound();
         if (mPreChannelsNotification && (getChannel().getUserLockedFields()
                 & NotificationChannel.USER_LOCKED_SOUND) == 0) {
diff --git a/services/core/java/com/android/server/notification/RankingHelper.java b/services/core/java/com/android/server/notification/RankingHelper.java
index b3c6ff6..d7b36aa 100644
--- a/services/core/java/com/android/server/notification/RankingHelper.java
+++ b/services/core/java/com/android/server/notification/RankingHelper.java
@@ -525,12 +525,11 @@
         if (r == null) {
             throw new IllegalArgumentException("Invalid package");
         }
-        LogMaker lm = new LogMaker(MetricsProto.MetricsEvent.ACTION_NOTIFICATION_CHANNEL_GROUP)
-                .setType(MetricsProto.MetricsEvent.TYPE_UPDATE)
-                .addTaggedData(MetricsProto.MetricsEvent.FIELD_NOTIFICATION_CHANNEL_GROUP_ID,
-                        group.getId())
-                .setPackageName(pkg);
-        MetricsLogger.action(lm);
+        final NotificationChannelGroup oldGroup = r.groups.get(group.getId());
+        if (!group.equals(oldGroup)) {
+            // will log for new entries as well as name changes
+            MetricsLogger.action(getChannelGroupLog(group.getId(), pkg));
+        }
         r.groups.put(group.getId(), group);
         updateConfig();
     }
@@ -558,13 +557,16 @@
         if (existing != null && fromTargetApp) {
             if (existing.isDeleted()) {
                 existing.setDeleted(false);
+
+                // log a resurrected channel as if it's new again
+                MetricsLogger.action(getChannelLog(channel, pkg).setType(
+                        MetricsProto.MetricsEvent.TYPE_OPEN));
             }
 
             existing.setName(channel.getName().toString());
             existing.setDescription(channel.getDescription());
             existing.setBlockableSystem(channel.isBlockableSystem());
 
-            MetricsLogger.action(getChannelLog(channel, pkg));
             updateConfig();
             return;
         }
@@ -622,7 +624,10 @@
             r.showBadge = updatedChannel.canShowBadge();
         }
 
-        MetricsLogger.action(getChannelLog(updatedChannel, pkg));
+        if (!channel.equals(updatedChannel)) {
+            // only log if there are real changes
+            MetricsLogger.action(getChannelLog(updatedChannel, pkg));
+        }
         updateConfig();
     }
 
@@ -1141,6 +1146,14 @@
                         channel.getImportance());
     }
 
+    private LogMaker getChannelGroupLog(String groupId, String pkg) {
+        return new LogMaker(MetricsProto.MetricsEvent.ACTION_NOTIFICATION_CHANNEL_GROUP)
+                .setType(MetricsProto.MetricsEvent.TYPE_UPDATE)
+                .addTaggedData(MetricsProto.MetricsEvent.FIELD_NOTIFICATION_CHANNEL_GROUP_ID,
+                        groupId)
+                .setPackageName(pkg);
+    }
+
     public void updateBadgingEnabled() {
         if (mBadgingEnabled == null) {
             mBadgingEnabled = new SparseBooleanArray();
diff --git a/services/core/java/com/android/server/om/OverlayManagerService.java b/services/core/java/com/android/server/om/OverlayManagerService.java
index ef3e7bc..2940a6e 100644
--- a/services/core/java/com/android/server/om/OverlayManagerService.java
+++ b/services/core/java/com/android/server/om/OverlayManagerService.java
@@ -714,11 +714,17 @@
 
         final Map<String, List<String>> pendingChanges = new ArrayMap<>(targetPackageNames.size());
         synchronized (mLock) {
+            final List<String> frameworkOverlays =
+                mImpl.getEnabledOverlayPackageNames("android", userId);
             final int N = targetPackageNames.size();
             for (int i = 0; i < N; i++) {
                 final String targetPackageName = targetPackageNames.get(i);
-                pendingChanges.put(targetPackageName,
-                        mImpl.getEnabledOverlayPackageNames(targetPackageName, userId));
+                List<String> list = new ArrayList<>();
+                if (!"android".equals(targetPackageName)) {
+                    list.addAll(frameworkOverlays);
+                }
+                list.addAll(mImpl.getEnabledOverlayPackageNames(targetPackageName, userId));
+                pendingChanges.put(targetPackageName, list);
             }
         }
 
diff --git a/services/core/java/com/android/server/om/OverlayManagerServiceImpl.java b/services/core/java/com/android/server/om/OverlayManagerServiceImpl.java
index 261bcc5..db6e974 100644
--- a/services/core/java/com/android/server/om/OverlayManagerServiceImpl.java
+++ b/services/core/java/com/android/server/om/OverlayManagerServiceImpl.java
@@ -170,6 +170,7 @@
 
         final PackageInfo targetPackage = mPackageManager.getPackageInfo(packageName, userId);
         updateAllOverlaysForTarget(packageName, userId, targetPackage);
+        mListener.onOverlaysChanged(packageName, userId);
     }
 
     void onTargetPackageChanged(@NonNull final String packageName, final int userId) {
@@ -178,7 +179,9 @@
         }
 
         final PackageInfo targetPackage = mPackageManager.getPackageInfo(packageName, userId);
-        updateAllOverlaysForTarget(packageName, userId, targetPackage);
+        if (updateAllOverlaysForTarget(packageName, userId, targetPackage)) {
+            mListener.onOverlaysChanged(packageName, userId);
+        }
     }
 
     void onTargetPackageUpgrading(@NonNull final String packageName, final int userId) {
@@ -186,7 +189,9 @@
             Slog.d(TAG, "onTargetPackageUpgrading packageName=" + packageName + " userId=" + userId);
         }
 
-        updateAllOverlaysForTarget(packageName, userId, null);
+        if (updateAllOverlaysForTarget(packageName, userId, null)) {
+            mListener.onOverlaysChanged(packageName, userId);
+        }
     }
 
     void onTargetPackageUpgraded(@NonNull final String packageName, final int userId) {
@@ -195,7 +200,9 @@
         }
 
         final PackageInfo targetPackage = mPackageManager.getPackageInfo(packageName, userId);
-        updateAllOverlaysForTarget(packageName, userId, targetPackage);
+        if (updateAllOverlaysForTarget(packageName, userId, targetPackage)) {
+            mListener.onOverlaysChanged(packageName, userId);
+        }
     }
 
     void onTargetPackageRemoved(@NonNull final String packageName, final int userId) {
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 5f96b91..6c59505 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -18105,8 +18105,10 @@
             // step during installation. Instead, we'll take extra time the first time the
             // instant app starts. It's preferred to do it this way to provide continuous
             // progress to the user instead of mysteriously blocking somewhere in the
-            // middle of running an instant app.
-            if (!instantApp) {
+            // middle of running an instant app. The default behaviour can be overridden
+            // via gservices.
+            if (!instantApp || Global.getInt(
+                        mContext.getContentResolver(), Global.INSTANT_APP_DEXOPT_ENABLED, 0) != 0) {
                 Trace.traceBegin(TRACE_TAG_PACKAGE_MANAGER, "dexopt");
                 // Do not run PackageDexOptimizer through the local performDexOpt
                 // method because `pkg` may not be in `mPackages` yet.
@@ -21585,8 +21587,7 @@
         public static final int DUMP_FROZEN = 1 << 19;
         public static final int DUMP_DEXOPT = 1 << 20;
         public static final int DUMP_COMPILER_STATS = 1 << 21;
-        public static final int DUMP_ENABLED_OVERLAYS = 1 << 22;
-        public static final int DUMP_CHANGES = 1 << 23;
+        public static final int DUMP_CHANGES = 1 << 22;
 
         public static final int OPTION_SHOW_FILTERS = 1 << 0;
 
@@ -21830,8 +21831,6 @@
                 dumpState.setDump(DumpState.DUMP_DEXOPT);
             } else if ("compiler-stats".equals(cmd)) {
                 dumpState.setDump(DumpState.DUMP_COMPILER_STATS);
-            } else if ("enabled-overlays".equals(cmd)) {
-                dumpState.setDump(DumpState.DUMP_ENABLED_OVERLAYS);
             } else if ("changes".equals(cmd)) {
                 dumpState.setDump(DumpState.DUMP_CHANGES);
             } else if ("write".equals(cmd)) {
@@ -24608,12 +24607,7 @@
                 }
 
                 final PackageSetting ps = mSettings.mPackages.get(targetPackageName);
-                String[] frameworkOverlayPaths = null;
-                if (!"android".equals(targetPackageName)) {
-                    frameworkOverlayPaths =
-                            mSettings.mPackages.get("android").getOverlayPaths(userId);
-                }
-                ps.setOverlayPaths(overlayPaths, frameworkOverlayPaths, userId);
+                ps.setOverlayPaths(overlayPaths, userId);
                 return true;
             }
         }
diff --git a/services/core/java/com/android/server/pm/PackageSettingBase.java b/services/core/java/com/android/server/pm/PackageSettingBase.java
index d17267f..f685127 100644
--- a/services/core/java/com/android/server/pm/PackageSettingBase.java
+++ b/services/core/java/com/android/server/pm/PackageSettingBase.java
@@ -330,21 +330,9 @@
         modifyUserState(userId).installReason = installReason;
     }
 
-    void setOverlayPaths(List<String> overlayPaths, String[] frameworkOverlayPaths, int userId) {
-        if (overlayPaths == null && frameworkOverlayPaths == null) {
-            modifyUserState(userId).overlayPaths = null;
-            return;
-        }
-        final List<String> paths;
-        if (frameworkOverlayPaths == null) {
-            paths = overlayPaths;
-        } else {
-            paths = Lists.newArrayList(frameworkOverlayPaths);
-            if (overlayPaths != null) {
-                paths.addAll(overlayPaths);
-            }
-        }
-        modifyUserState(userId).overlayPaths = paths.toArray(new String[paths.size()]);
+    void setOverlayPaths(List<String> overlayPaths, int userId) {
+        modifyUserState(userId).overlayPaths = overlayPaths == null ? null :
+            overlayPaths.toArray(new String[overlayPaths.size()]);
     }
 
     String[] getOverlayPaths(int userId) {
diff --git a/services/core/java/com/android/server/pm/Settings.java b/services/core/java/com/android/server/pm/Settings.java
index b006c2d..45d0c58 100644
--- a/services/core/java/com/android/server/pm/Settings.java
+++ b/services/core/java/com/android/server/pm/Settings.java
@@ -4861,9 +4861,9 @@
 
             String[] overlayPaths = ps.getOverlayPaths(user.id);
             if (overlayPaths != null && overlayPaths.length > 0) {
-                pw.println("Overlay paths:");
+                pw.print(prefix); pw.println("  overlay paths:");
                 for (String path : overlayPaths) {
-                    pw.println(path);
+                    pw.print(prefix); pw.print("    "); pw.println(path);
                 }
             }
 
diff --git a/services/core/java/com/android/server/policy/BarController.java b/services/core/java/com/android/server/policy/BarController.java
index 7a28081..b179235 100644
--- a/services/core/java/com/android/server/policy/BarController.java
+++ b/services/core/java/com/android/server/policy/BarController.java
@@ -166,8 +166,14 @@
         return change || stateChanged;
     }
 
-    void setOnBarVisibilityChangedListener(OnBarVisibilityChangedListener listener) {
+    void setOnBarVisibilityChangedListener(OnBarVisibilityChangedListener listener,
+            boolean invokeWithState) {
         mVisibilityChangeListener = listener;
+        if (invokeWithState) {
+            // Optionally report the initial window state for initialization purposes
+            mHandler.obtainMessage(MSG_NAV_BAR_VISIBILITY_CHANGED,
+                    (mState == StatusBarManager.WINDOW_STATE_SHOWING) ? 1 : 0, 0).sendToTarget();
+        }
     }
 
     protected boolean skipAnimation() {
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index 01eabd8..8b28df1 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -1045,7 +1045,7 @@
             new BarController.OnBarVisibilityChangedListener() {
         @Override
         public void onBarVisibilityChanged(boolean visible) {
-            mAccessibilityManager.notifyAccessibilityButtonAvailabilityChanged(visible);
+            mAccessibilityManager.notifyAccessibilityButtonVisibilityChanged(visible);
         }
     };
 
@@ -3037,7 +3037,7 @@
                 mNavigationBar = win;
                 mNavigationBarController.setWindow(win);
                 mNavigationBarController.setOnBarVisibilityChangedListener(
-                        mNavBarVisibilityListener);
+                        mNavBarVisibilityListener, true);
                 if (DEBUG_LAYOUT) Slog.i(TAG, "NAVIGATION BAR: " + mNavigationBar);
                 break;
             case TYPE_NAVIGATION_BAR_PANEL:
diff --git a/services/core/java/com/android/server/wm/PinnedStackController.java b/services/core/java/com/android/server/wm/PinnedStackController.java
index 9a9e29a..6d33ce2 100644
--- a/services/core/java/com/android/server/wm/PinnedStackController.java
+++ b/services/core/java/com/android/server/wm/PinnedStackController.java
@@ -155,6 +155,10 @@
         mSnapAlgorithm = new PipSnapAlgorithm(service.mContext);
         mDisplayInfo.copyFrom(mDisplayContent.getDisplayInfo());
         reloadResources();
+        // Initialize the aspect ratio to the default aspect ratio.  Don't do this in reload
+        // resources as it would clobber mAspectRatio when entering PiP from fullscreen which
+        // triggers a configuration change and the resources to be reloaded.
+        mAspectRatio = mDefaultAspectRatio;
     }
 
     void onConfigurationChanged() {
@@ -171,7 +175,6 @@
         mCurrentMinSize = mDefaultMinSize;
         mDefaultAspectRatio = res.getFloat(
                 com.android.internal.R.dimen.config_pictureInPictureDefaultAspectRatio);
-        mAspectRatio = mDefaultAspectRatio;
         final String screenEdgeInsetsDpString = res.getString(
                 com.android.internal.R.string.config_defaultPictureInPictureScreenEdgeInsets);
         final Size screenEdgeInsetsDp = !screenEdgeInsetsDpString.isEmpty()
diff --git a/services/tests/notification/src/com/android/server/notification/BuzzBeepBlinkTest.java b/services/tests/notification/src/com/android/server/notification/BuzzBeepBlinkTest.java
index ec08874..ae98274 100644
--- a/services/tests/notification/src/com/android/server/notification/BuzzBeepBlinkTest.java
+++ b/services/tests/notification/src/com/android/server/notification/BuzzBeepBlinkTest.java
@@ -20,40 +20,9 @@
 import static android.app.Notification.GROUP_ALERT_SUMMARY;
 import static android.app.NotificationManager.IMPORTANCE_HIGH;
 
-import static junit.framework.Assert.assertFalse;
 import static junit.framework.Assert.assertNull;
 import static junit.framework.Assert.assertTrue;
 
-import com.android.server.lights.Light;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-
-import android.app.ActivityManager;
-import android.app.Notification;
-import android.app.Notification.Builder;
-import android.app.NotificationManager;
-import android.app.NotificationChannel;
-import android.graphics.Color;
-import android.media.AudioAttributes;
-import android.media.AudioManager;
-import android.net.Uri;
-import android.os.Handler;
-import android.os.RemoteException;
-import android.os.UserHandle;
-import android.os.Vibrator;
-import android.os.VibrationEffect;
-import android.provider.Settings;
-import android.service.notification.StatusBarNotification;
-import android.support.test.runner.AndroidJUnit4;
-import android.test.suitebuilder.annotation.SmallTest;
-
-import org.mockito.ArgumentMatcher;
-import org.mockito.Mock;
-import org.mockito.Mockito;
-import org.mockito.MockitoAnnotations;
-
 import static org.mockito.Matchers.anyBoolean;
 import static org.mockito.Matchers.anyInt;
 import static org.mockito.Matchers.anyObject;
@@ -61,11 +30,43 @@
 import static org.mockito.Matchers.argThat;
 import static org.mockito.Matchers.eq;
 import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.timeout;
 import static org.mockito.Mockito.times;
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+import android.app.ActivityManager;
+import android.app.Notification;
+import android.app.Notification.Builder;
+import android.app.NotificationChannel;
+import android.app.NotificationManager;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.graphics.Color;
+import android.media.AudioAttributes;
+import android.media.AudioManager;
+import android.net.Uri;
+import android.os.Handler;
+import android.os.RemoteException;
+import android.os.UserHandle;
+import android.os.VibrationEffect;
+import android.os.Vibrator;
+import android.provider.Settings;
+import android.service.notification.StatusBarNotification;
+import android.support.test.runner.AndroidJUnit4;
+import android.test.suitebuilder.annotation.SmallTest;
+
+import com.android.server.lights.Light;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.ArgumentMatcher;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+
 @SmallTest
 @RunWith(AndroidJUnit4.class)
 public class BuzzBeepBlinkTest extends NotificationTestCase {
@@ -163,6 +164,11 @@
                 true /* noisy */, false /* buzzy*/, false /* lights */);
     }
 
+    private NotificationRecord getInsistentBeepyLeanbackNotification() {
+        return getLeanbackNotificationRecord(mId, true /* insistent */, false /* once */,
+                true /* noisy */, false /* buzzy*/, false /* lights */);
+    }
+
     private NotificationRecord getBuzzyNotification() {
         return getNotificationRecord(mId, false /* insistent */, false /* once */,
                 false /* noisy */, true /* buzzy*/, false /* lights */);
@@ -192,23 +198,30 @@
         return getNotificationRecord(mId, false /* insistent */, true /* once */,
                 false /* noisy */, true /* buzzy*/, true /* lights */,
                 true /* defaultVibration */, true /* defaultSound */, false /* defaultLights */,
-                null, Notification.GROUP_ALERT_ALL);
+                null, Notification.GROUP_ALERT_ALL, false);
     }
 
     private NotificationRecord getNotificationRecord(int id, boolean insistent, boolean once,
             boolean noisy, boolean buzzy, boolean lights) {
         return getNotificationRecord(id, insistent, once, noisy, buzzy, lights, true, true, true,
-                null, Notification.GROUP_ALERT_ALL);
+                null, Notification.GROUP_ALERT_ALL, false);
+    }
+
+    private NotificationRecord getLeanbackNotificationRecord(int id, boolean insistent, boolean once,
+            boolean noisy, boolean buzzy, boolean lights) {
+        return getNotificationRecord(id, insistent, once, noisy, buzzy, lights, true, true, true,
+                null, Notification.GROUP_ALERT_ALL, true);
     }
 
     private NotificationRecord getBeepyNotificationRecord(String groupKey, int groupAlertBehavior) {
         return getNotificationRecord(mId, false, false, true, false, false, true, true, true,
-                groupKey, groupAlertBehavior);
+                groupKey, groupAlertBehavior, false);
     }
 
     private NotificationRecord getNotificationRecord(int id, boolean insistent, boolean once,
             boolean noisy, boolean buzzy, boolean lights, boolean defaultVibration,
-            boolean defaultSound, boolean defaultLights, String groupKey, int groupAlertBehavior) {
+            boolean defaultSound, boolean defaultLights, String groupKey, int groupAlertBehavior,
+            boolean isLeanback) {
         NotificationChannel channel =
                 new NotificationChannel("test", "test", IMPORTANCE_HIGH);
         final Builder builder = new Builder(getContext())
@@ -257,9 +270,15 @@
             n.flags |= Notification.FLAG_INSISTENT;
         }
 
+        Context context = spy(getContext());
+        PackageManager packageManager = spy(context.getPackageManager());
+        when(context.getPackageManager()).thenReturn(packageManager);
+        when(packageManager.hasSystemFeature(PackageManager.FEATURE_LEANBACK))
+                .thenReturn(isLeanback);
+
         StatusBarNotification sbn = new StatusBarNotification(mPkg, mPkg, id, mTag, mUid,
                 mPid, n, mUser, null, System.currentTimeMillis());
-        NotificationRecord r = new NotificationRecord(getContext(), sbn, channel);
+        NotificationRecord r = new NotificationRecord(context, sbn, channel);
         mService.addNotification(r);
         return r;
     }
@@ -367,6 +386,15 @@
     }
 
     @Test
+    public void testNoLeanbackBeep() throws Exception {
+        NotificationRecord r = getInsistentBeepyLeanbackNotification();
+
+        mService.buzzBeepBlinkLocked(r);
+
+        verifyNeverBeep();
+    }
+
+    @Test
     public void testNoInterruptionForMin() throws Exception {
         NotificationRecord r = getBeepyNotification();
         r.setImportance(NotificationManager.IMPORTANCE_MIN, "foo");