Merge changes If285d71a,Iffe5be7c

* changes:
  Revert^2: Build dark greylist from public + light grey API
  [DO NOT MERGE] Revert "Build dark greylist from public + light grey API"
diff --git a/api/current.txt b/api/current.txt
index 707c7f8..054f72d 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -39386,6 +39386,7 @@
     method public void onReject(java.lang.String);
     method public void onSeparate();
     method public void onShowIncomingCallUi();
+    method public void onSilence();
     method public void onStartRtt(android.telecom.Connection.RttTextStream);
     method public void onStateChanged(int);
     method public void onStopDtmfTone();
diff --git a/api/system-current.txt b/api/system-current.txt
index 9a54ac6..cd086c5 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -4274,8 +4274,8 @@
     method public int[] getAvailableServices();
     method public android.telephony.CellIdentity getCellIdentity();
     method public int getDomain();
-    method public int getReasonForDenial();
     method public int getRegState();
+    method public int getRejectCause();
     method public int getTransportType();
     method public boolean isEmergencyEnabled();
     method public void writeToParcel(android.os.Parcel, int);
diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index 7c5afba..1b431be 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -5295,8 +5295,8 @@
                                         }
                                     }
                                 }
-                                final List<String> oldPaths =
-                                        sPackageManager.getPreviousCodePaths(packageName);
+                                final ArrayList<String> oldPaths = new ArrayList<>();
+                                LoadedApk.makePaths(this, loadedApk.getApplicationInfo(), oldPaths);
                                 loadedApk.updateApplicationInfo(aInfo, oldPaths);
                             } catch (RemoteException e) {
                             }
diff --git a/core/java/android/content/pm/IPackageManager.aidl b/core/java/android/content/pm/IPackageManager.aidl
index 73a403d..92be900 100644
--- a/core/java/android/content/pm/IPackageManager.aidl
+++ b/core/java/android/content/pm/IPackageManager.aidl
@@ -648,8 +648,6 @@
 
     boolean isPackageDeviceAdminOnAnyUser(String packageName);
 
-    List<String> getPreviousCodePaths(in String packageName);
-
     int getInstallReason(String packageName, int userId);
 
     ParceledListSlice getSharedLibraries(in String packageName, int flags, int userId);
diff --git a/core/java/android/widget/DateTimeView.java b/core/java/android/widget/DateTimeView.java
index 4db3607..c83f26c 100644
--- a/core/java/android/widget/DateTimeView.java
+++ b/core/java/android/widget/DateTimeView.java
@@ -30,7 +30,6 @@
 import android.content.res.Configuration;
 import android.content.res.TypedArray;
 import android.database.ContentObserver;
-import android.icu.util.Calendar;
 import android.os.Handler;
 import android.text.format.Time;
 import android.util.AttributeSet;
@@ -41,6 +40,7 @@
 
 import java.text.DateFormat;
 import java.util.ArrayList;
+import java.util.Calendar;
 import java.util.Date;
 import java.util.TimeZone;
 
@@ -293,7 +293,7 @@
      */
     private long computeNextMidnight(TimeZone timeZone) {
         Calendar c = Calendar.getInstance();
-        c.setTimeZone(libcore.icu.DateUtilsBridge.icuTimeZone(timeZone));
+        c.setTimeZone(timeZone);
         c.add(Calendar.DAY_OF_MONTH, 1);
         c.set(Calendar.HOUR_OF_DAY, 0);
         c.set(Calendar.MINUTE, 0);
diff --git a/core/jni/android_os_VintfObject.cpp b/core/jni/android_os_VintfObject.cpp
index e8ef349..17ab956 100644
--- a/core/jni/android_os_VintfObject.cpp
+++ b/core/jni/android_os_VintfObject.cpp
@@ -150,7 +150,7 @@
     }
     jobject jMap = env->NewObject(gHashMapClazz, gHashMapInit);
     for (const auto &vndk : manifest->vendorNdks()) {
-        std::string key = vndk.version();
+        const std::string& key = vndk.version();
         env->CallObjectMethod(jMap, gHashMapPut,
                 env->NewStringUTF(key.c_str()), toJavaStringArray(env, vndk.libraries()));
     }
diff --git a/services/core/java/com/android/server/connectivity/Tethering.java b/services/core/java/com/android/server/connectivity/Tethering.java
index 0230f75..d053116 100644
--- a/services/core/java/com/android/server/connectivity/Tethering.java
+++ b/services/core/java/com/android/server/connectivity/Tethering.java
@@ -115,7 +115,6 @@
 import com.android.server.connectivity.tethering.IControlsTethering;
 import com.android.server.connectivity.tethering.IPv6TetheringCoordinator;
 import com.android.server.connectivity.tethering.OffloadController;
-import com.android.server.connectivity.tethering.SimChangeListener;
 import com.android.server.connectivity.tethering.TetherInterfaceStateMachine;
 import com.android.server.connectivity.tethering.TetheringConfiguration;
 import com.android.server.connectivity.tethering.TetheringDependencies;
@@ -201,8 +200,6 @@
     // into a single coherent structure.
     private final HashSet<TetherInterfaceStateMachine> mForwardedDownstreams;
     private final VersionedBroadcastListener mCarrierConfigChange;
-    // TODO: Delete SimChangeListener; it's obsolete.
-    private final SimChangeListener mSimChange;
     private final TetheringDependencies mDeps;
 
     private volatile TetheringConfiguration mConfig;
@@ -252,14 +249,6 @@
                     updateConfiguration();
                     reevaluateSimCardProvisioning();
                 });
-        // TODO: Remove SimChangeListener altogether. For now, we retain it
-        // for logging purposes in case we need to debug something that might
-        // be related to changing signals from ACTION_SIM_STATE_CHANGED to
-        // ACTION_CARRIER_CONFIG_CHANGED.
-        mSimChange = new SimChangeListener(
-                mContext, smHandler, () -> {
-                    mLog.log("OBSERVED SIM card change");
-                });
 
         mStateReceiver = new StateReceiver();
 
@@ -1529,7 +1518,6 @@
                     return;
                 }
 
-                mSimChange.startListening();
                 mUpstreamNetworkMonitor.start(mDeps.getDefaultNetworkRequest());
 
                 // TODO: De-duplicate with updateUpstreamWanted() below.
@@ -1545,7 +1533,6 @@
             public void exit() {
                 mOffload.stop();
                 mUpstreamNetworkMonitor.stop();
-                mSimChange.stopListening();
                 notifyDownstreamsOfNewUpstreamIface(null);
                 handleNewUpstreamNetworkState(null);
             }
diff --git a/services/core/java/com/android/server/connectivity/tethering/SimChangeListener.java b/services/core/java/com/android/server/connectivity/tethering/SimChangeListener.java
deleted file mode 100644
index 33c9355..0000000
--- a/services/core/java/com/android/server/connectivity/tethering/SimChangeListener.java
+++ /dev/null
@@ -1,79 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.server.connectivity.tethering;
-
-import static com.android.internal.telephony.IccCardConstants.INTENT_VALUE_ICC_LOADED;
-import static com.android.internal.telephony.IccCardConstants.INTENT_KEY_ICC_STATE;
-
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.net.util.VersionedBroadcastListener;
-import android.net.util.VersionedBroadcastListener.IntentCallback;
-import android.os.Handler;
-import android.util.Log;
-
-import com.android.internal.telephony.TelephonyIntents;
-
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.function.Consumer;
-
-
-/**
- * A utility class that runs the provided callback on the provided handler when
- * observing a new SIM card having been loaded.
- *
- * @hide
- */
-public class SimChangeListener extends VersionedBroadcastListener {
-    private static final String TAG = SimChangeListener.class.getSimpleName();
-    private static final boolean DBG = false;
-
-    public SimChangeListener(Context ctx, Handler handler, Runnable onSimCardLoadedCallback) {
-        super(TAG, ctx, handler, makeIntentFilter(), makeCallback(onSimCardLoadedCallback));
-    }
-
-    private static IntentFilter makeIntentFilter() {
-        final IntentFilter filter = new IntentFilter();
-        filter.addAction(TelephonyIntents.ACTION_SIM_STATE_CHANGED);
-        return filter;
-    }
-
-    private static Consumer<Intent> makeCallback(Runnable onSimCardLoadedCallback) {
-        return new Consumer<Intent>() {
-            private boolean mSimNotLoadedSeen = false;
-
-            @Override
-            public void accept(Intent intent) {
-                final String state = intent.getStringExtra(INTENT_KEY_ICC_STATE);
-                Log.d(TAG, "got Sim changed to state " + state + ", mSimNotLoadedSeen=" +
-                        mSimNotLoadedSeen);
-
-                if (!INTENT_VALUE_ICC_LOADED.equals(state)) {
-                    mSimNotLoadedSeen = true;
-                    return;
-                }
-
-                if (mSimNotLoadedSeen) {
-                    mSimNotLoadedSeen = false;
-                    onSimCardLoadedCallback.run();
-                }
-            }
-        };
-    }
-}
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 864c965..d136a55 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -17901,22 +17901,6 @@
         }
     }
 
-    @Override
-    public List<String> getPreviousCodePaths(String packageName) {
-        final int callingUid = Binder.getCallingUid();
-        final List<String> result = new ArrayList<>();
-        if (getInstantAppPackageName(callingUid) != null) {
-            return result;
-        }
-        final PackageSetting ps = mSettings.mPackages.get(packageName);
-        if (ps != null
-                && ps.oldCodePaths != null
-                && !filterAppAccessLPr(ps, callingUid, UserHandle.getUserId(callingUid))) {
-            result.addAll(ps.oldCodePaths);
-        }
-        return result;
-    }
-
     private void replaceNonSystemPackageLIF(PackageParser.Package deletedPackage,
             PackageParser.Package pkg, final int policyFlags, int scanFlags, UserHandle user,
             int[] allUsers, String installerPackageName, PackageInstalledInfo res,
diff --git a/telecomm/java/android/telecom/Connection.java b/telecomm/java/android/telecom/Connection.java
index ca444d4..25e67c8 100644
--- a/telecomm/java/android/telecom/Connection.java
+++ b/telecomm/java/android/telecom/Connection.java
@@ -2802,9 +2802,21 @@
     public void onReject(String replyMessage) {}
 
     /**
-     * Notifies the Connection of a request to silence the ringer.
-     *
-     * @hide
+     * Notifies this Connection of a request to silence the ringer.
+     * <p>
+     * The ringer may be silenced by any of the following methods:
+     * <ul>
+     *     <li>{@link TelecomManager#silenceRinger()}</li>
+     *     <li>The user presses the volume-down button while a call is ringing.</li>
+     * </ul>
+     * <p>
+     * Self-managed {@link ConnectionService} implementations should override this method in their
+     * {@link Connection} implementation and implement logic to silence their app's ringtone.  If
+     * your app set the ringtone as part of the incoming call {@link Notification} (see
+     * {@link #onShowIncomingCallUi()}), it should re-post the notification now, except call
+     * {@link android.app.Notification.Builder#setOnlyAlertOnce(boolean)} with {@code true}.  This
+     * will ensure the ringtone sound associated with your {@link android.app.NotificationChannel}
+     * stops playing.
      */
     public void onSilence() {}
 
@@ -2881,7 +2893,29 @@
      * <p>
      * You should trigger the display of the incoming call user interface for your application by
      * showing a {@link Notification} with a full-screen {@link Intent} specified.
-     * For example:
+     *
+     * In your application code, you should create a {@link android.app.NotificationChannel} for
+     * incoming call notifications from your app:
+     * <pre><code>
+     * NotificationChannel channel = new NotificationChannel(YOUR_CHANNEL_ID, "Incoming Calls",
+     *          NotificationManager.IMPORTANCE_MAX);
+     * // other channel setup stuff goes here.
+     *
+     * // We'll use the default system ringtone for our incoming call notification channel.  You can
+     * // use your own audio resource here.
+     * Uri ringtoneUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_RINGTONE);
+     * channel.setSound(ringtoneUri, new AudioAttributes.Builder()
+     *          // Setting the AudioAttributes is important as it identifies the purpose of your
+     *          // notification sound.
+     *          .setUsage(AudioAttributes.USAGE_NOTIFICATION_RINGTONE)
+     *          .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
+     *      .build());
+     *
+     * NotificationManager mgr = getSystemService(NotificationManager.class);
+     * mgr.createNotificationChannel(channel);
+     * </code></pre>
+     * When it comes time to post a notification for your incoming call, ensure it uses your
+     * incoming call {@link android.app.NotificationChannel}.
      * <pre><code>
      *     // Create an intent which triggers your fullscreen incoming call user interface.
      *     Intent intent = new Intent(Intent.ACTION_MAIN, null);
@@ -2907,11 +2941,14 @@
      *     builder.setContentTitle("Your notification title");
      *     builder.setContentText("Your notification content.");
      *
-     *     // Use builder.addAction(..) to add buttons to answer or reject the call.
+     *     // Set notification as insistent to cause your ringtone to loop.
+     *     Notification notification = builder.build();
+     *     notification.flags |= Notification.FLAG_INSISTENT;
      *
+     *     // Use builder.addAction(..) to add buttons to answer or reject the call.
      *     NotificationManager notificationManager = mContext.getSystemService(
      *         NotificationManager.class);
-     *     notificationManager.notify(YOUR_TAG, YOUR_ID, builder.build());
+     *     notificationManager.notify(YOUR_CHANNEL_ID, YOUR_TAG, YOUR_ID, notification);
      * </code></pre>
      */
     public void onShowIncomingCallUi() {}
diff --git a/telecomm/java/android/telecom/InCallService.java b/telecomm/java/android/telecom/InCallService.java
index bd25ab2..1aeeca7 100644
--- a/telecomm/java/android/telecom/InCallService.java
+++ b/telecomm/java/android/telecom/InCallService.java
@@ -47,13 +47,19 @@
  * before the telecom service will bind to its {@code InCallService} implementation.
  * <p>
  * Below is an example manifest registration for an {@code InCallService}. The meta-data
- * ({@link TelecomManager#METADATA_IN_CALL_SERVICE_UI}) indicates that this particular
+ * {@link TelecomManager#METADATA_IN_CALL_SERVICE_UI} indicates that this particular
  * {@code InCallService} implementation intends to replace the built-in in-call UI.
+ * The meta-data {@link TelecomManager#METADATA_IN_CALL_SERVICE_RINGING} indicates that this
+ * {@link InCallService} will play the ringtone for incoming calls.  See
+ * <a href="#incomingCallNotification">below</a> for more information on showing the incoming call
+ * UI and playing the ringtone in your app.
  * <pre>
  * {@code
  * <service android:name="your.package.YourInCallServiceImplementation"
  *          android:permission="android.permission.BIND_INCALL_SERVICE">
  *      <meta-data android:name="android.telecom.IN_CALL_SERVICE_UI" android:value="true" />
+ *      <meta-data android:name="android.telecom.IN_CALL_SERVICE_RINGING"
+ *          android:value="true" />
  *      <intent-filter>
  *          <action android:name="android.telecom.InCallService"/>
  *      </intent-filter>
@@ -80,6 +86,72 @@
  * to see if they would like your application to be the new default phone app.  See the
  * {@link TelecomManager#ACTION_CHANGE_DEFAULT_DIALER} intent documentation for more information on
  * how to do this.
+ * <p id="incomingCallNotification">
+ * <h2>Showing the Incoming Call Notification</h2>
+ * When your app receives a new incoming call via {@link InCallService#onCallAdded(Call)}, it is
+ * responsible for displaying an incoming call UI for the incoming call.  It should do this using
+ * {@link android.app.NotificationManager} APIs to post a new incoming call notification.
+ * <p>
+ * Where your app declares the meta-data {@link TelecomManager#METADATA_IN_CALL_SERVICE_RINGING}, it
+ * is responsible for playing the ringtone for incoming calls.  Your app should create a
+ * {@link android.app.NotificationChannel} which specifies the desired ringtone.  For example:
+ * <pre><code>
+ * NotificationChannel channel = new NotificationChannel(YOUR_CHANNEL_ID, "Incoming Calls",
+ *          NotificationManager.IMPORTANCE_MAX);
+ * // other channel setup stuff goes here.
+ *
+ * // We'll use the default system ringtone for our incoming call notification channel.  You can
+ * // use your own audio resource here.
+ * Uri ringtoneUri = RingtoneManager.getDefaultUri(RingtoneManager.TYPE_RINGTONE);
+ * channel.setSound(ringtoneUri, new AudioAttributes.Builder()
+ *          // Setting the AudioAttributes is important as it identifies the purpose of your
+ *          // notification sound.
+ *          .setUsage(AudioAttributes.USAGE_NOTIFICATION_RINGTONE)
+ *          .setContentType(AudioAttributes.CONTENT_TYPE_SONIFICATION)
+ *      .build());
+ *
+ * NotificationManager mgr = getSystemService(NotificationManager.class);
+ * mgr.createNotificationChannel(channel);
+ * </code></pre>
+ * <p>
+ * When your app receives a new incoming call, it creates a {@link android.app.Notification} for the
+ * incoming call and associates it with your incoming call notification channel. You can specify a
+ * {@link android.app.PendingIntent} on the notification which will launch your full screen
+ * incoming call UI.  The notification manager framework will display your notification as a
+ * heads-up notification if the user is actively using the phone.  When the user is not using the
+ * phone, your full-screen incoming call UI is used instead.
+ * For example:
+ * <pre><code>
+ * // Create an intent which triggers your fullscreen incoming call user interface.
+ * Intent intent = new Intent(Intent.ACTION_MAIN, null);
+ * intent.setFlags(Intent.FLAG_ACTIVITY_NO_USER_ACTION | Intent.FLAG_ACTIVITY_NEW_TASK);
+ * intent.setClass(context, YourIncomingCallActivity.class);
+ * PendingIntent pendingIntent = PendingIntent.getActivity(context, 1, intent, 0);
+ *
+ * // Build the notification as an ongoing high priority item; this ensures it will show as
+ * // a heads up notification which slides down over top of the current content.
+ * final Notification.Builder builder = new Notification.Builder(context);
+ * builder.setOngoing(true);
+ * builder.setPriority(Notification.PRIORITY_HIGH);
+ *
+ * // Set notification content intent to take user to the fullscreen UI if user taps on the
+ * // notification body.
+ * builder.setContentIntent(pendingIntent);
+ * // Set full screen intent to trigger display of the fullscreen UI when the notification
+ * // manager deems it appropriate.
+ * builder.setFullScreenIntent(pendingIntent, true);
+ *
+ * // Setup notification content.
+ * builder.setSmallIcon( yourIconResourceId );
+ * builder.setContentTitle("Your notification title");
+ * builder.setContentText("Your notification content.");
+ *
+ * // Use builder.addAction(..) to add buttons to answer or reject the call.
+ *
+ * NotificationManager notificationManager = mContext.getSystemService(
+ *     NotificationManager.class);
+ * notificationManager.notify(YOUR_CHANNEL_ID, YOUR_TAG, YOUR_ID, builder.build());
+ * </code></pre>
  */
 public abstract class InCallService extends Service {
 
diff --git a/telephony/java/android/telephony/NetworkRegistrationState.java b/telephony/java/android/telephony/NetworkRegistrationState.java
index e881549..c393155 100644
--- a/telephony/java/android/telephony/NetworkRegistrationState.java
+++ b/telephony/java/android/telephony/NetworkRegistrationState.java
@@ -21,6 +21,7 @@
 import android.annotation.SystemApi;
 import android.os.Parcel;
 import android.os.Parcelable;
+import android.telephony.AccessNetworkConstants.TransportType;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
@@ -59,15 +60,15 @@
     /** Not registered. The device is not currently searching a new operator to register */
     public static final int REG_STATE_NOT_REG_NOT_SEARCHING = 0;
     /** Registered on home network */
-    public static final int REG_STATE_HOME = 1;
+    public static final int REG_STATE_HOME                  = 1;
     /** Not registered. The device is currently searching a new operator to register */
-    public static final int REG_STATE_NOT_REG_SEARCHING = 2;
+    public static final int REG_STATE_NOT_REG_SEARCHING     = 2;
     /** Registration denied */
-    public static final int REG_STATE_DENIED = 3;
+    public static final int REG_STATE_DENIED                = 3;
     /** Registration state is unknown */
-    public static final int REG_STATE_UNKNOWN = 4;
+    public static final int REG_STATE_UNKNOWN               = 4;
     /** Registered on roaming network */
-    public static final int REG_STATE_ROAMING = 5;
+    public static final int REG_STATE_ROAMING               = 5;
 
     /**
      * Supported service type
@@ -79,16 +80,16 @@
                     SERVICE_TYPE_EMERGENCY})
     public @interface ServiceType {}
 
-    public static final int SERVICE_TYPE_VOICE = 1;
-    public static final int SERVICE_TYPE_DATA = 2;
-    public static final int SERVICE_TYPE_SMS = 3;
-    public static final int SERVICE_TYPE_VIDEO = 4;
-    public static final int SERVICE_TYPE_EMERGENCY = 5;
+    public static final int SERVICE_TYPE_VOICE      = 1;
+    public static final int SERVICE_TYPE_DATA       = 2;
+    public static final int SERVICE_TYPE_SMS        = 3;
+    public static final int SERVICE_TYPE_VIDEO      = 4;
+    public static final int SERVICE_TYPE_EMERGENCY  = 5;
 
     @Domain
     private final int mDomain;
 
-    /** {@link AccessNetworkConstants.TransportType}*/
+    /** {@link TransportType} */
     private final int mTransportType;
 
     @RegState
@@ -96,7 +97,7 @@
 
     private final int mAccessNetworkTechnology;
 
-    private final int mReasonForDenial;
+    private final int mRejectCause;
 
     private final boolean mEmergencyOnly;
 
@@ -112,22 +113,35 @@
     private DataSpecificRegistrationStates mDataSpecificStates;
 
     /**
-     * @param domain Network domain. Must be DOMAIN_CS or DOMAIN_PS.
-     * @param transportType Transport type. Must be {@link AccessNetworkConstants.TransportType}
-     * @param regState Network registration state.
-     * @param accessNetworkTechnology See TelephonyManager NETWORK_TYPE_XXXX.
-     * @param reasonForDenial Reason for denial if the registration state is DENIED.
-     * @param availableServices The supported service.
-     * @param cellIdentity The identity representing a unique cell
+     * @param domain Network domain. Must be a {@link Domain}. For {@link TransportType#WLAN}
+     * transport, this must set to {@link #DOMAIN_PS}.
+     * @param transportType Transport type. Must be one of the{@link TransportType}.
+     * @param regState Network registration state. Must be one of the {@link RegState}. For
+     * {@link TransportType#WLAN} transport, only {@link #REG_STATE_HOME} and
+     * {@link #REG_STATE_NOT_REG_NOT_SEARCHING} are valid states.
+     * @param accessNetworkTechnology Access network technology. Must be one of TelephonyManager
+     * NETWORK_TYPE_XXXX. For {@link TransportType#WLAN} transport, set to
+     * {@link TelephonyManager#NETWORK_TYPE_IWLAN}.
+     * @param rejectCause Reason for denial if the registration state is {@link #REG_STATE_DENIED}.
+     * Depending on {@code accessNetworkTechnology}, the values are defined in 3GPP TS 24.008
+     * 10.5.3.6 for UMTS, 3GPP TS 24.301 9.9.3.9 for LTE, and 3GPP2 A.S0001 6.2.2.44 for CDMA. If
+     * the reject cause is not supported or unknown, set it to 0.
+     * // TODO: Add IWLAN reject cause reference
+     * @param emergencyOnly True if this registration is for emergency only.
+     * @param availableServices The list of the supported services. Each element must be one of
+     * the {@link ServiceType}.
+     * @param cellIdentity The identity representing a unique cell or wifi AP. Set to null if the
+     * information is not available.
      */
-    public NetworkRegistrationState(int domain, int transportType, int regState,
-            int accessNetworkTechnology, int reasonForDenial, boolean emergencyOnly,
-            int[] availableServices, @Nullable CellIdentity cellIdentity) {
+    public NetworkRegistrationState(@Domain int domain, int transportType, @RegState int regState,
+                                    int accessNetworkTechnology, int rejectCause,
+                                    boolean emergencyOnly, int[] availableServices,
+                                    @Nullable CellIdentity cellIdentity) {
         mDomain = domain;
         mTransportType = transportType;
         mRegState = regState;
         mAccessNetworkTechnology = accessNetworkTechnology;
-        mReasonForDenial = reasonForDenial;
+        mRejectCause = rejectCause;
         mAvailableServices = availableServices;
         mCellIdentity = cellIdentity;
         mEmergencyOnly = emergencyOnly;
@@ -138,11 +152,13 @@
      * @hide
      */
     public NetworkRegistrationState(int domain, int transportType, int regState,
-            int accessNetworkTechnology, int reasonForDenial, boolean emergencyOnly,
-            int[] availableServices, @Nullable CellIdentity cellIdentity, boolean cssSupported,
-            int roamingIndicator, int systemIsInPrl, int defaultRoamingIndicator) {
-        this(domain, transportType, regState, accessNetworkTechnology,
-                reasonForDenial, emergencyOnly, availableServices, cellIdentity);
+                                    int accessNetworkTechnology, int rejectCause,
+                                    boolean emergencyOnly, int[] availableServices,
+                                    @Nullable CellIdentity cellIdentity, boolean cssSupported,
+                                    int roamingIndicator, int systemIsInPrl,
+                                    int defaultRoamingIndicator) {
+        this(domain, transportType, regState, accessNetworkTechnology, rejectCause, emergencyOnly,
+                availableServices, cellIdentity);
 
         mVoiceSpecificStates = new VoiceSpecificRegistrationStates(cssSupported, roamingIndicator,
                 systemIsInPrl, defaultRoamingIndicator);
@@ -153,10 +169,11 @@
      * @hide
      */
     public NetworkRegistrationState(int domain, int transportType, int regState,
-            int accessNetworkTechnology, int reasonForDenial, boolean emergencyOnly,
-            int[] availableServices, @Nullable CellIdentity cellIdentity, int maxDataCalls) {
-        this(domain, transportType, regState, accessNetworkTechnology,
-                reasonForDenial, emergencyOnly, availableServices, cellIdentity);
+                                    int accessNetworkTechnology, int rejectCause,
+                                    boolean emergencyOnly, int[] availableServices,
+                                    @Nullable CellIdentity cellIdentity, int maxDataCalls) {
+        this(domain, transportType, regState, accessNetworkTechnology, rejectCause, emergencyOnly,
+                availableServices, cellIdentity);
 
         mDataSpecificStates = new DataSpecificRegistrationStates(maxDataCalls);
     }
@@ -166,7 +183,7 @@
         mTransportType = source.readInt();
         mRegState = source.readInt();
         mAccessNetworkTechnology = source.readInt();
-        mReasonForDenial = source.readInt();
+        mRejectCause = source.readInt();
         mEmergencyOnly = source.readBoolean();
         mAvailableServices = source.createIntArray();
         mCellIdentity = source.readParcelable(CellIdentity.class.getClassLoader());
@@ -211,10 +228,10 @@
     }
 
     /**
-     * @return Reason for denial from network.
+     * @return Network reject cause
      */
-    public int getReasonForDenial() {
-        return mReasonForDenial;
+    public int getRejectCause() {
+        return mRejectCause;
     }
 
     /**
@@ -265,7 +282,7 @@
                 .append(" regState=").append(regStateToString(mRegState))
                 .append(" accessNetworkTechnology=")
                 .append(TelephonyManager.getNetworkTypeName(mAccessNetworkTechnology))
-                .append(" reasonForDenial=").append(mReasonForDenial)
+                .append(" rejectCause=").append(mRejectCause)
                 .append(" emergencyEnabled=").append(mEmergencyOnly)
                 .append(" supportedServices=").append(mAvailableServices)
                 .append(" cellIdentity=").append(mCellIdentity)
@@ -276,8 +293,8 @@
 
     @Override
     public int hashCode() {
-        return Objects.hash(mTransportType, mDomain, mRegState, mAccessNetworkTechnology,
-                mReasonForDenial, mEmergencyOnly, mAvailableServices, mCellIdentity,
+        return Objects.hash(mDomain, mTransportType, mRegState, mAccessNetworkTechnology,
+                mRejectCause, mEmergencyOnly, mAvailableServices, mCellIdentity,
                 mVoiceSpecificStates, mDataSpecificStates);
     }
 
@@ -294,7 +311,7 @@
                 && mTransportType == other.mTransportType
                 && mRegState == other.mRegState
                 && mAccessNetworkTechnology == other.mAccessNetworkTechnology
-                && mReasonForDenial == other.mReasonForDenial
+                && mRejectCause == other.mRejectCause
                 && mEmergencyOnly == other.mEmergencyOnly
                 && (mAvailableServices == other.mAvailableServices
                     || Arrays.equals(mAvailableServices, other.mAvailableServices))
@@ -309,7 +326,7 @@
         dest.writeInt(mTransportType);
         dest.writeInt(mRegState);
         dest.writeInt(mAccessNetworkTechnology);
-        dest.writeInt(mReasonForDenial);
+        dest.writeInt(mRejectCause);
         dest.writeBoolean(mEmergencyOnly);
         dest.writeIntArray(mAvailableServices);
         dest.writeParcelable(mCellIdentity, 0);
diff --git a/telephony/java/com/android/internal/telephony/RILConstants.java b/telephony/java/com/android/internal/telephony/RILConstants.java
index 49fbd8f..3a26350 100644
--- a/telephony/java/com/android/internal/telephony/RILConstants.java
+++ b/telephony/java/com/android/internal/telephony/RILConstants.java
@@ -16,15 +16,6 @@
 
 package com.android.internal.telephony;
 
-/**
- * TODO: This should probably not be an interface see
- * http://www.javaworld.com/javaworld/javaqa/2001-06/01-qa-0608-constants.html and google with
- * http://www.google.com/search?q=interface+constants&ie=utf-8&oe=utf-8&aq=t&rls=com.ubuntu:en-US:unofficial&client=firefox-a
- *
- * Also they should all probably be static final.
- */
-
-import android.os.SystemProperties;
 import android.telephony.TelephonyManager;
 
 /**
@@ -231,13 +222,6 @@
     int LCE_STOPPED = 0;
     int LCE_ACTIVE = 1;
 
-/*
-cat include/telephony/ril.h | \
-   egrep '^#define' | \
-   sed -re 's/^#define +([^ ]+)* +([^ ]+)/    int \1 = \2;/' \
-   >>java/android/com.android.internal.telephony/gsm/RILConstants.java
-*/
-
     /**
      * No restriction at all including voice/SMS/USSD/SS/AV64
      * and packet data.
@@ -272,6 +256,18 @@
     public static final int DATA_PROFILE_OEM_BASE  = 1000;
     public static final int DATA_PROFILE_INVALID   = 0xFFFFFFFF;
 
+    /**
+     * The request/response/unsol message IDs below match RIL.h through Android O-MR1.
+     *
+     * RIL.h is at hardware/ril/include/telephony.ril.h; RIL support is deprecated and may
+     * be removed in the future.
+     *
+     * Messages defined after O-MR1 have no corresponding definition in RIL.h.
+     * P-and-later messages start at RIL_REQUEST_HAL_NON_RIL_BASE and
+     * RIL_UNSOL_HAL_NON_RIL_BASE.
+     */
+
+    /* Requests begin */
     int RIL_REQUEST_GET_SIM_STATUS = 1;
     int RIL_REQUEST_ENTER_SIM_PIN = 2;
     int RIL_REQUEST_ENTER_SIM_PUK = 3;
@@ -415,15 +411,20 @@
     int RIL_REQUEST_SET_CARRIER_INFO_IMSI_ENCRYPTION = 141;
     int RIL_REQUEST_START_NETWORK_SCAN = 142;
     int RIL_REQUEST_STOP_NETWORK_SCAN = 143;
-    int RIL_REQUEST_GET_SLOT_STATUS = 144;
-    int RIL_REQUEST_SET_LOGICAL_TO_PHYSICAL_SLOT_MAPPING = 145;
-    int RIL_REQUEST_START_KEEPALIVE = 146;
-    int RIL_REQUEST_STOP_KEEPALIVE = 147;
-    int RIL_REQUEST_SET_SIGNAL_STRENGTH_REPORTING_CRITERIA = 148;
-    int RIL_REQUEST_SET_LINK_CAPACITY_REPORTING_CRITERIA = 149;
+    int RIL_REQUEST_START_KEEPALIVE = 144;
+    int RIL_REQUEST_STOP_KEEPALIVE = 145;
 
+    /* The following requests are not defined in RIL.h */
+    int RIL_REQUEST_HAL_NON_RIL_BASE = 200;
+    int RIL_REQUEST_GET_SLOT_STATUS = 200;
+    int RIL_REQUEST_SET_LOGICAL_TO_PHYSICAL_SLOT_MAPPING = 201;
+    int RIL_REQUEST_SET_SIGNAL_STRENGTH_REPORTING_CRITERIA = 202;
+    int RIL_REQUEST_SET_LINK_CAPACITY_REPORTING_CRITERIA = 203;
+
+    /* Responses begin */
     int RIL_RESPONSE_ACKNOWLEDGEMENT = 800;
 
+    /* Unsols begin */
     int RIL_UNSOL_RESPONSE_BASE = 1000;
     int RIL_UNSOL_RESPONSE_RADIO_STATE_CHANGED = 1000;
     int RIL_UNSOL_RESPONSE_CALL_STATE_CHANGED = 1001;
@@ -475,7 +476,10 @@
     int RIL_UNSOL_MODEM_RESTART = 1047;
     int RIL_UNSOL_CARRIER_INFO_IMSI_ENCRYPTION = 1048;
     int RIL_UNSOL_NETWORK_SCAN_RESULT = 1049;
-    int RIL_UNSOL_ICC_SLOT_STATUS = 1050;
-    int RIL_UNSOL_KEEPALIVE_STATUS = 1051;
-    int RIL_UNSOL_PHYSICAL_CHANNEL_CONFIG = 1052;
+    int RIL_UNSOL_KEEPALIVE_STATUS = 1050;
+
+    /* The following unsols are not defined in RIL.h */
+    int RIL_UNSOL_HAL_NON_RIL_BASE = 1100;
+    int RIL_UNSOL_ICC_SLOT_STATUS = 1100;
+    int RIL_UNSOL_PHYSICAL_CHANNEL_CONFIG = 1101;
 }
diff --git a/tests/net/java/com/android/server/connectivity/tethering/SimChangeListenerTest.java b/tests/net/java/com/android/server/connectivity/tethering/SimChangeListenerTest.java
deleted file mode 100644
index f58ea7e..0000000
--- a/tests/net/java/com/android/server/connectivity/tethering/SimChangeListenerTest.java
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.server.connectivity.tethering;
-
-import static com.android.internal.telephony.IccCardConstants.INTENT_VALUE_ICC_ABSENT;
-import static com.android.internal.telephony.IccCardConstants.INTENT_VALUE_ICC_LOADED;
-import static com.android.internal.telephony.IccCardConstants.INTENT_KEY_ICC_STATE;
-import static com.android.internal.telephony.TelephonyIntents.ACTION_SIM_STATE_CHANGED;
-
-import static org.junit.Assert.assertEquals;
-import static org.mockito.Mockito.reset;
-
-import android.content.Context;
-import android.content.Intent;
-import android.os.Handler;
-import android.os.Looper;
-import android.os.UserHandle;
-
-import android.support.test.filters.SmallTest;
-import android.support.test.runner.AndroidJUnit4;
-
-import com.android.internal.util.test.BroadcastInterceptingContext;
-
-import org.junit.After;
-import org.junit.Before;
-import org.junit.BeforeClass;
-import org.junit.runner.RunWith;
-import org.junit.Test;
-import org.mockito.Mock;
-import org.mockito.Mockito;
-import org.mockito.MockitoAnnotations;
-
-
-@RunWith(AndroidJUnit4.class)
-@SmallTest
-public class SimChangeListenerTest {
-    @Mock private Context mContext;
-    private BroadcastInterceptingContext mServiceContext;
-    private Handler mHandler;
-    private SimChangeListener mSCL;
-    private int mCallbackCount;
-
-    private void doCallback() { mCallbackCount++; }
-
-    private class MockContext extends BroadcastInterceptingContext {
-        MockContext(Context base) {
-            super(base);
-        }
-    }
-
-    @BeforeClass
-    public static void setUpBeforeClass() throws Exception {
-        if (Looper.myLooper() == null) {
-            Looper.prepare();
-        }
-    }
-
-    @Before public void setUp() throws Exception {
-        MockitoAnnotations.initMocks(this);
-        reset(mContext);
-        mServiceContext = new MockContext(mContext);
-        mHandler = new Handler(Looper.myLooper());
-        mCallbackCount = 0;
-        mSCL = new SimChangeListener(mServiceContext, mHandler, () -> doCallback());
-    }
-
-    @After public void tearDown() throws Exception {
-        if (mSCL != null) {
-            mSCL.stopListening();
-            mSCL = null;
-        }
-    }
-
-    private void sendSimStateChangeIntent(String state) {
-        final Intent intent = new Intent(ACTION_SIM_STATE_CHANGED);
-        intent.putExtra(INTENT_KEY_ICC_STATE, state);
-        mServiceContext.sendStickyBroadcastAsUser(intent, UserHandle.ALL);
-    }
-
-    @Test
-    public void testNotSeenFollowedBySeenCallsCallback() {
-        mSCL.startListening();
-
-        sendSimStateChangeIntent(INTENT_VALUE_ICC_ABSENT);
-        sendSimStateChangeIntent(INTENT_VALUE_ICC_LOADED);
-        assertEquals(1, mCallbackCount);
-
-        sendSimStateChangeIntent(INTENT_VALUE_ICC_ABSENT);
-        sendSimStateChangeIntent(INTENT_VALUE_ICC_LOADED);
-        assertEquals(2, mCallbackCount);
-
-        mSCL.stopListening();
-    }
-
-    @Test
-    public void testNotListeningDoesNotCallback() {
-        sendSimStateChangeIntent(INTENT_VALUE_ICC_ABSENT);
-        sendSimStateChangeIntent(INTENT_VALUE_ICC_LOADED);
-        assertEquals(0, mCallbackCount);
-
-        sendSimStateChangeIntent(INTENT_VALUE_ICC_ABSENT);
-        sendSimStateChangeIntent(INTENT_VALUE_ICC_LOADED);
-        assertEquals(0, mCallbackCount);
-    }
-
-    @Test
-    public void testSeenOnlyDoesNotCallback() {
-        mSCL.startListening();
-
-        sendSimStateChangeIntent(INTENT_VALUE_ICC_LOADED);
-        assertEquals(0, mCallbackCount);
-
-        sendSimStateChangeIntent(INTENT_VALUE_ICC_LOADED);
-        assertEquals(0, mCallbackCount);
-
-        mSCL.stopListening();
-    }
-}