Merge "DO NOT MERGE: Kill Wifi Badging in OC." into oc-dev
diff --git a/core/java/android/animation/AnimatorSet.java b/core/java/android/animation/AnimatorSet.java
index 38ce427..854e531 100644
--- a/core/java/android/animation/AnimatorSet.java
+++ b/core/java/android/animation/AnimatorSet.java
@@ -473,9 +473,13 @@
             if (mReversing) {
                 // Between start() and first frame, mLastEventId would be unset (i.e. -1)
                 mLastEventId = mLastEventId == -1 ? mEvents.size() : mLastEventId;
-                for (int j = mLastEventId - 1; j >= 0; j--) {
-                    AnimationEvent event = mEvents.get(j);
+                while (mLastEventId > 0) {
+                    mLastEventId = mLastEventId - 1;
+                    AnimationEvent event = mEvents.get(mLastEventId);
                     Animator anim = event.mNode.mAnimation;
+                    if (mNodeMap.get(anim).mEnded) {
+                        continue;
+                    }
                     if (event.mEvent == AnimationEvent.ANIMATION_END) {
                         anim.reverse();
                     } else if (event.mEvent == AnimationEvent.ANIMATION_DELAY_ENDED
@@ -487,9 +491,15 @@
                     }
                 }
             } else {
-                for (int j = mLastEventId + 1; j < mEvents.size(); j++) {
-                    AnimationEvent event = mEvents.get(j);
+                while (mLastEventId < mEvents.size() - 1) {
+                    // Avoid potential reentrant loop caused by child animators manipulating
+                    // AnimatorSet's lifecycle (i.e. not a recommended approach).
+                    mLastEventId = mLastEventId + 1;
+                    AnimationEvent event = mEvents.get(mLastEventId);
                     Animator anim = event.mNode.mAnimation;
+                    if (mNodeMap.get(anim).mEnded) {
+                        continue;
+                    }
                     if (event.mEvent == AnimationEvent.ANIMATION_START) {
                         anim.start();
                     } else if (event.mEvent == AnimationEvent.ANIMATION_END && anim.isStarted()) {
@@ -663,6 +673,10 @@
      * <p>Starting this <code>AnimatorSet</code> will, in turn, start the animations for which
      * it is responsible. The details of when exactly those animations are started depends on
      * the dependency relationships that have been set up between the animations.
+     *
+     * <b>Note:</b> Manipulating AnimatorSet's lifecycle in the child animators' listener callbacks
+     * will lead to undefined behaviors. Also, AnimatorSet will ignore any seeking in the child
+     * animators once {@link #start()} is called.
      */
     @SuppressWarnings("unchecked")
     @Override
diff --git a/core/java/android/app/Notification.java b/core/java/android/app/Notification.java
index ad6b454..4dd71b4 100644
--- a/core/java/android/app/Notification.java
+++ b/core/java/android/app/Notification.java
@@ -1171,7 +1171,7 @@
      */
     public static final int GROUP_ALERT_CHILDREN = 2;
 
-    private int mGroupAlertBehavior = GROUP_ALERT_CHILDREN;
+    private int mGroupAlertBehavior = GROUP_ALERT_ALL;
 
     /**
      * If this notification is being shown as a badge, always show as a number.
diff --git a/core/java/android/content/pm/PackageParser.java b/core/java/android/content/pm/PackageParser.java
index 9b0bab4..5e5a6fc 100644
--- a/core/java/android/content/pm/PackageParser.java
+++ b/core/java/android/content/pm/PackageParser.java
@@ -7000,6 +7000,7 @@
             return null;
         }
         if (!copyNeeded(flags, a.owner, state, a.metaData, userId)) {
+            updateApplicationInfo(a.info.applicationInfo, flags, state);
             return a.info;
         }
         // Make shallow copies so we can store the metadata safely
@@ -7088,6 +7089,7 @@
             return null;
         }
         if (!copyNeeded(flags, s.owner, state, s.metaData, userId)) {
+            updateApplicationInfo(s.info.applicationInfo, flags, state);
             return s.info;
         }
         // Make shallow copies so we can store the metadata safely
@@ -7183,6 +7185,7 @@
         if (!copyNeeded(flags, p.owner, state, p.metaData, userId)
                 && ((flags & PackageManager.GET_URI_PERMISSION_PATTERNS) != 0
                         || p.info.uriPermissionPatterns == null)) {
+            updateApplicationInfo(p.info.applicationInfo, flags, state);
             return p.info;
         }
         // Make shallow copies so we can store the metadata safely
diff --git a/core/java/android/os/storage/StorageManager.java b/core/java/android/os/storage/StorageManager.java
index a6cdb03..5046735 100644
--- a/core/java/android/os/storage/StorageManager.java
+++ b/core/java/android/os/storage/StorageManager.java
@@ -1403,23 +1403,7 @@
 
     /** {@hide} */
     public static File maybeTranslateEmulatedPathToInternal(File path) {
-        final IStorageManager storageManager = IStorageManager.Stub.asInterface(
-                ServiceManager.getService("mount"));
-        try {
-            final VolumeInfo[] vols = storageManager.getVolumes(0);
-            for (VolumeInfo vol : vols) {
-                if ((vol.getType() == VolumeInfo.TYPE_EMULATED
-                        || vol.getType() == VolumeInfo.TYPE_PUBLIC) && vol.isMountedReadable()) {
-                    final File internalPath = FileUtils.rewriteAfterRename(vol.getPath(),
-                            vol.getInternalPath(), path);
-                    if (internalPath != null && internalPath.exists()) {
-                        return internalPath;
-                    }
-                }
-            }
-        } catch (RemoteException e) {
-            throw e.rethrowFromSystemServer();
-        }
+        // Disabled now that FUSE has been replaced by sdcardfs
         return path;
     }
 
diff --git a/core/java/android/service/autofill/FillContext.java b/core/java/android/service/autofill/FillContext.java
index 251d346..6956c8a 100644
--- a/core/java/android/service/autofill/FillContext.java
+++ b/core/java/android/service/autofill/FillContext.java
@@ -114,7 +114,7 @@
      *
      * @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];
 
diff --git a/core/java/android/view/SurfaceView.java b/core/java/android/view/SurfaceView.java
index a97babd..ef78559 100644
--- a/core/java/android/view/SurfaceView.java
+++ b/core/java/android/view/SurfaceView.java
@@ -454,7 +454,7 @@
     }
 
     private void updateOpaqueFlag() {
-        if (PixelFormat.formatHasAlpha(mRequestedFormat)) {
+        if (!PixelFormat.formatHasAlpha(mRequestedFormat)) {
             mSurfaceFlags |= SurfaceControl.OPAQUE;
         } else {
             mSurfaceFlags &= ~SurfaceControl.OPAQUE;
diff --git a/core/java/android/view/ViewGroup.java b/core/java/android/view/ViewGroup.java
index 8637593..4b79b8c 100644
--- a/core/java/android/view/ViewGroup.java
+++ b/core/java/android/view/ViewGroup.java
@@ -4936,9 +4936,6 @@
                 needGlobalAttributesUpdate(true);
             }
             ai.mKeepScreenOn = lastKeepOn;
-            if (!childHasFocus && child.hasFocusable()) {
-                focusableViewAvailable(child);
-            }
         }
 
         if (child.isLayoutDirectionInherited()) {
diff --git a/core/java/android/widget/Editor.java b/core/java/android/widget/Editor.java
index 1fef7cb..c19ee56 100644
--- a/core/java/android/widget/Editor.java
+++ b/core/java/android/widget/Editor.java
@@ -3842,11 +3842,12 @@
             }
 
             if (mTextView.canRequestAutofill()) {
-                final int mode = mTextView.getText().length() <= 0
-                        ? MenuItem.SHOW_AS_ACTION_IF_ROOM : MenuItem.SHOW_AS_ACTION_NEVER;
-                menu.add(Menu.NONE, TextView.ID_AUTOFILL, MENU_ITEM_ORDER_AUTOFILL,
-                        com.android.internal.R.string.autofill)
-                        .setShowAsAction(mode);
+                final String selected = mTextView.getSelectedText();
+                if (selected == null || selected.isEmpty()) {
+                    menu.add(Menu.NONE, TextView.ID_AUTOFILL, MENU_ITEM_ORDER_AUTOFILL,
+                            com.android.internal.R.string.autofill)
+                            .setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM);
+                }
             }
 
             if (mTextView.canPasteAsPlainText()) {
diff --git a/core/res/res/drawable/sym_def_app_icon.xml b/core/res/res/drawable/sym_def_app_icon.xml
index 9c02402..129d38a 100644
--- a/core/res/res/drawable/sym_def_app_icon.xml
+++ b/core/res/res/drawable/sym_def_app_icon.xml
@@ -1,9 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@android:color/white" />
+    <background android:drawable="@drawable/sym_def_app_icon_background" />
     <foreground>
-        <inset android:inset="27.7%">
-            <bitmap android:src="@mipmap/sym_def_app_icon"/>
-        </inset>
+        <bitmap android:src="@mipmap/sym_def_app_icon_foreground"/>
     </foreground>
 </adaptive-icon>
diff --git a/core/res/res/drawable/sym_def_app_icon_background.xml b/core/res/res/drawable/sym_def_app_icon_background.xml
new file mode 100644
index 0000000..5755210
--- /dev/null
+++ b/core/res/res/drawable/sym_def_app_icon_background.xml
@@ -0,0 +1,52 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector
+    android:height="108dp"
+    android:width="108dp"
+    android:viewportHeight="108.0"
+    android:viewportWidth="108.0"
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="@android:color/material_deep_teal_500"
+        android:pathData="M0,0h108v108h-108z"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M19,0L19,108"
+        android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M9,0L9,108"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M39,0L39,108"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M29,0L29,108"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M59,0L59,108"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M49,0L49,108"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M79,0L79,108"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M69,0L69,108"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M89,0L89,108"
+        android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M99,0L99,108"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,89L108,89"
+        android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,99L108,99"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,69L108,69"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,79L108,79"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,49L108,49"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,59L108,59"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,29L108,29"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,39L108,39"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,19L108,19"
+        android:strokeColor="#33FFFFFF" android:strokeWidth="0.8"/>
+    <path android:fillColor="#00000000" android:pathData="M0,9L108,9"
+        android:strokeColor="#66FFFFFF" android:strokeWidth="0.8"/>
+</vector>
+
diff --git a/core/res/res/mipmap-hdpi/sym_def_app_icon_foreground.png b/core/res/res/mipmap-hdpi/sym_def_app_icon_foreground.png
new file mode 100644
index 0000000..4e526c9
--- /dev/null
+++ b/core/res/res/mipmap-hdpi/sym_def_app_icon_foreground.png
Binary files differ
diff --git a/core/res/res/mipmap-hdpi/sym_def_app_icon_maskable.png b/core/res/res/mipmap-hdpi/sym_def_app_icon_maskable.png
deleted file mode 100644
index bf58413..0000000
--- a/core/res/res/mipmap-hdpi/sym_def_app_icon_maskable.png
+++ /dev/null
Binary files differ
diff --git a/core/res/res/mipmap-mdpi/sym_def_app_icon_foreground.png b/core/res/res/mipmap-mdpi/sym_def_app_icon_foreground.png
new file mode 100644
index 0000000..2c38c71
--- /dev/null
+++ b/core/res/res/mipmap-mdpi/sym_def_app_icon_foreground.png
Binary files differ
diff --git a/core/res/res/mipmap-mdpi/sym_def_app_icon_maskable.png b/core/res/res/mipmap-mdpi/sym_def_app_icon_maskable.png
deleted file mode 100644
index 47f6f81..0000000
--- a/core/res/res/mipmap-mdpi/sym_def_app_icon_maskable.png
+++ /dev/null
Binary files differ
diff --git a/core/res/res/mipmap-xhdpi/sym_def_app_icon_foreground.png b/core/res/res/mipmap-xhdpi/sym_def_app_icon_foreground.png
new file mode 100644
index 0000000..072467e
--- /dev/null
+++ b/core/res/res/mipmap-xhdpi/sym_def_app_icon_foreground.png
Binary files differ
diff --git a/core/res/res/mipmap-xhdpi/sym_def_app_icon_maskable.png b/core/res/res/mipmap-xhdpi/sym_def_app_icon_maskable.png
deleted file mode 100644
index f60b896..0000000
--- a/core/res/res/mipmap-xhdpi/sym_def_app_icon_maskable.png
+++ /dev/null
Binary files differ
diff --git a/core/res/res/mipmap-xxhdpi/sym_def_app_icon_foreground.png b/core/res/res/mipmap-xxhdpi/sym_def_app_icon_foreground.png
new file mode 100644
index 0000000..78a6b7a
--- /dev/null
+++ b/core/res/res/mipmap-xxhdpi/sym_def_app_icon_foreground.png
Binary files differ
diff --git a/core/res/res/mipmap-xxhdpi/sym_def_app_icon_maskable.png b/core/res/res/mipmap-xxhdpi/sym_def_app_icon_maskable.png
deleted file mode 100644
index 6d4f315..0000000
--- a/core/res/res/mipmap-xxhdpi/sym_def_app_icon_maskable.png
+++ /dev/null
Binary files differ
diff --git a/core/res/res/mipmap-xxxhdpi/sym_def_app_icon_foreground.png b/core/res/res/mipmap-xxxhdpi/sym_def_app_icon_foreground.png
new file mode 100644
index 0000000..68ebe33
--- /dev/null
+++ b/core/res/res/mipmap-xxxhdpi/sym_def_app_icon_foreground.png
Binary files differ
diff --git a/core/res/res/mipmap-xxxhdpi/sym_def_app_icon_maskable.png b/core/res/res/mipmap-xxxhdpi/sym_def_app_icon_maskable.png
deleted file mode 100644
index 08e54d0..0000000
--- a/core/res/res/mipmap-xxxhdpi/sym_def_app_icon_maskable.png
+++ /dev/null
Binary files differ
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index ec0b049..241e565 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -2536,6 +2536,10 @@
     <!-- The default vibration strength, must be between 1 and 255 inclusive. -->
     <integer name="config_defaultVibrationAmplitude">255</integer>
 
+    <!-- If the device should still vibrate even in low power mode, for certain priority vibrations
+     (e.g. accessibility, alarms). This is mainly for Wear devices that don't have speakers. -->
+    <bool name="config_allowPriorityVibrationsInLowPowerMode">false</bool>
+
     <!-- Number of retries Cell Data should attempt for a given error code before
          restarting the modem.
          Error codes not listed will not lead to modem restarts.
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 90ece60..3eebe7e 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -191,21 +191,15 @@
 
     <!-- Notification title to tell the user that data service is blocked by access control. -->
     <string name="RestrictedOnDataTitle">No data service</string>
-    <!-- Notification title to tell the user that emergency service is blocked by access control. -->
-    <string name="RestrictedOnEmergencyTitle">No emergency service</string>
+    <!-- Notification title to tell the user that emergency calling is blocked by access control. -->
+    <string name="RestrictedOnEmergencyTitle">No emergency calling</string>
     <!-- Notification title to tell the user that normal service is blocked by access control. -->
     <string name="RestrictedOnNormalTitle">No voice service</string>
     <!-- Notification title to tell the user that all emergency and normal voice services are blocked by access control. -->
     <string name="RestrictedOnAllVoiceTitle">No voice/emergency service</string>
 
-    <!-- Notification content to tell the user that data service is blocked by access control. -->
-    <string name="RestrictedOnDataContent">Your carrier has temporarily suspended data service at this location</string>
-    <!-- Notification content to tell the user that emergency service is blocked by access control. -->
-    <string name="RestrictedOnEmergencyContent">Your carrier has temporarily suspended emergency calls at this location</string>
-    <!-- Notification content to tell the user that normal service is blocked by access control. -->
-    <string name="RestrictedOnNormalContent">Your carrier has temporarily suspended voice calls at this location</string>
-    <!-- Notification content to tell the user that all emergency and normal voice services are blocked by access control. -->
-    <string name="RestrictedOnAllVoiceContent">Your carrier has temporarily suspended voice and emergency calls at this location</string>
+    <!-- Notification content to tell the user that voice/data/emergency service is blocked by access control. -->
+    <string name="RestrictedStateContent">Temporarily not offered by the mobile network at your location</string>
 
     <!-- Displayed to tell the user that they should switch their network preference. -->
     <string name="NetworkPreferenceSwitchTitle">Can\u2019t reach network</string>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 8678a3e..7dd4022 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -521,10 +521,7 @@
   <java-symbol type="string" name="RestrictedOnDataTitle" />
   <java-symbol type="string" name="RestrictedOnEmergencyTitle" />
   <java-symbol type="string" name="RestrictedOnNormalTitle" />
-  <java-symbol type="string" name="RestrictedOnAllVoiceContent" />
-  <java-symbol type="string" name="RestrictedOnDataContent" />
-  <java-symbol type="string" name="RestrictedOnEmergencyContent" />
-  <java-symbol type="string" name="RestrictedOnNormalContent" />
+  <java-symbol type="string" name="RestrictedStateContent" />
   <java-symbol type="string" name="notification_channel_network_alert" />
   <java-symbol type="string" name="notification_channel_call_forward" />
   <java-symbol type="string" name="notification_channel_emergency_callback" />
@@ -1809,6 +1806,7 @@
   <java-symbol type="dimen" name="default_minimal_size_pip_resizable_task" />
   <java-symbol type="dimen" name="task_height_of_minimized_mode" />
   <java-symbol type="fraction" name="config_screenAutoBrightnessDozeScaleFactor" />
+  <java-symbol type="bool" name="config_allowPriorityVibrationsInLowPowerMode" />
   <java-symbol type="fraction" name="config_autoBrightnessAdjustmentMaxGamma" />
   <java-symbol type="integer" name="config_autoBrightnessAmbientLightHorizon"/>
   <java-symbol type="integer" name="config_autoBrightnessBrighteningLightDebounce"/>
diff --git a/graphics/java/android/graphics/Paint.java b/graphics/java/android/graphics/Paint.java
index e3b4740..f931d21 100644
--- a/graphics/java/android/graphics/Paint.java
+++ b/graphics/java/android/graphics/Paint.java
@@ -1036,6 +1036,8 @@
         // old shader's pointer may be reused by another shader allocation later
         if (mShader != shader) {
             mNativeShader = -1;
+            // Release any native references to the old shader content
+            nSetShader(mNativePaint, 0);
         }
         // Defer setting the shader natively until getNativeInstance() is called
         mShader = shader;
diff --git a/graphics/java/android/graphics/drawable/AnimatedVectorDrawable.java b/graphics/java/android/graphics/drawable/AnimatedVectorDrawable.java
index 00b5eda..90d6ab8 100644
--- a/graphics/java/android/graphics/drawable/AnimatedVectorDrawable.java
+++ b/graphics/java/android/graphics/drawable/AnimatedVectorDrawable.java
@@ -834,6 +834,16 @@
             final Animator localAnimator = animator.clone();
             final String targetName = mTargetNameMap.get(animator);
             final Object target = mVectorDrawable.getTargetByName(targetName);
+            if (!mShouldIgnoreInvalidAnim) {
+                if (target == null) {
+                    throw new IllegalStateException("Target with the name \"" + targetName
+                            + "\" cannot be found in the VectorDrawable to be animated.");
+                } else if (!(target instanceof VectorDrawable.VectorDrawableState)
+                        && !(target instanceof VectorDrawable.VObject)) {
+                    throw new UnsupportedOperationException("Target should be either VGroup, VPath,"
+                            + " or ConstantState, " + target.getClass() + " is not supported");
+                }
+            }
             localAnimator.setTarget(target);
             return localAnimator;
         }
@@ -1321,16 +1331,10 @@
                         throw new IllegalArgumentException("ClipPath only supports PathData " +
                                 "property");
                     }
-
                 }
             } else if (target instanceof VectorDrawable.VectorDrawableState) {
                 createRTAnimatorForRootGroup(values, animator,
                         (VectorDrawable.VectorDrawableState) target, startTime);
-            } else if (!mDrawable.mAnimatedVectorState.mShouldIgnoreInvalidAnim) {
-                // Should never get here
-                throw new UnsupportedOperationException("Target should be either VGroup, VPath, " +
-                        "or ConstantState, " + target == null ? "Null target" : target.getClass() +
-                        " is not supported");
             }
         }
 
diff --git a/media/java/android/media/MediaHTTPConnection.java b/media/java/android/media/MediaHTTPConnection.java
index 228a6de..dd731df 100644
--- a/media/java/android/media/MediaHTTPConnection.java
+++ b/media/java/android/media/MediaHTTPConnection.java
@@ -136,7 +136,13 @@
 
     private void teardownConnection() {
         if (mConnection != null) {
-            mInputStream = null;
+            if (mInputStream != null) {
+                try {
+                    mInputStream.close();
+                } catch (IOException e) {
+                }
+                mInputStream = null;
+            }
 
             mConnection.disconnect();
             mConnection = null;
@@ -298,8 +304,7 @@
             mCurrentOffset = offset;
         } catch (IOException e) {
             mTotalSize = -1;
-            mInputStream = null;
-            mConnection = null;
+            teardownConnection();
             mCurrentOffset = -1;
 
             throw e;
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/DndTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/DndTile.java
index ecbc4f7..9557262 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/DndTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/DndTile.java
@@ -140,7 +140,8 @@
         if (mState.value) {
             mController.setZen(ZEN_MODE_OFF, null, TAG);
         } else {
-            mController.setZen(ZEN_MODE_ALARMS, null, TAG);
+            int zen = Prefs.getInt(mContext, Prefs.Key.DND_FAVORITE_ZEN, Global.ZEN_MODE_ALARMS);
+            mController.setZen(zen, null, TAG);
         }
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
index 7697061..ba3bcc7 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/RecentsActivity.java
@@ -514,6 +514,9 @@
             RecentsActivityLaunchState launchState = config.getLaunchState();
             launchState.reset();
         }
+
+        // Force a gc to attempt to clean up bitmap references more quickly (b/38258699)
+        Recents.getSystemServices().gc();
     }
 
     @Override
diff --git a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
index cbfa0e5..1f13830 100644
--- a/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/misc/SystemServicesProxy.java
@@ -362,6 +362,19 @@
     }
 
     /**
+     * Requests a gc() from the background thread.
+     */
+    public void gc() {
+        BackgroundThread.getHandler().post(new Runnable() {
+            @Override
+            public void run() {
+                System.gc();
+                System.runFinalization();
+            }
+        });
+    }
+
+    /**
      * @return whether the provided {@param className} is blacklisted
      */
     public boolean isBlackListedActivity(String className) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java
index 531437d..58844ad 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/NotificationData.java
@@ -146,12 +146,12 @@
 
             // Construct the icon.
             icon = new StatusBarIconView(context,
-                    sbn.getPackageName() + "/0x" + Integer.toHexString(sbn.getId()), n);
+                    sbn.getPackageName() + "/0x" + Integer.toHexString(sbn.getId()), sbn);
             icon.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
 
             // Construct the expanded icon.
             expandedIcon = new StatusBarIconView(context,
-                    sbn.getPackageName() + "/0x" + Integer.toHexString(sbn.getId()), n);
+                    sbn.getPackageName() + "/0x" + Integer.toHexString(sbn.getId()), sbn);
             expandedIcon.setScaleType(ImageView.ScaleType.CENTER_INSIDE);
             final StatusBarIcon ic = new StatusBarIcon(
                     sbn.getUser(),
@@ -187,9 +187,11 @@
          * @param n the notification to read the icon from.
          * @throws InflationException
          */
-        public void updateIcons(Context context, Notification n) throws InflationException {
+        public void updateIcons(Context context, StatusBarNotification sbn)
+                throws InflationException {
             if (icon != null) {
                 // Update the icon
+                Notification n = sbn.getNotification();
                 final StatusBarIcon ic = new StatusBarIcon(
                         notification.getUser(),
                         notification.getPackageName(),
@@ -197,8 +199,8 @@
                         n.iconLevel,
                         n.number,
                         StatusBarIconView.contentDescForNotification(context, n));
-                icon.setNotification(n);
-                expandedIcon.setNotification(n);
+                icon.setNotification(sbn);
+                expandedIcon.setNotification(sbn);
                 if (!icon.set(ic) || !expandedIcon.set(ic)) {
                     throw new InflationException("Couldn't update icon: " + ic);
                 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/StatusBarIconView.java b/packages/SystemUI/src/com/android/systemui/statusbar/StatusBarIconView.java
index 85475b6..3c7ddb5 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/StatusBarIconView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/StatusBarIconView.java
@@ -34,6 +34,7 @@
 import android.graphics.drawable.Icon;
 import android.os.Parcelable;
 import android.os.UserHandle;
+import android.service.notification.StatusBarNotification;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.FloatProperty;
@@ -99,7 +100,7 @@
     private int mNumberX;
     private int mNumberY;
     private String mNumberText;
-    private Notification mNotification;
+    private StatusBarNotification mNotification;
     private final boolean mBlocked;
     private int mDensity;
     private float mIconScale = 1.0f;
@@ -127,11 +128,11 @@
     };
     private final NotificationIconDozeHelper mDozer;
 
-    public StatusBarIconView(Context context, String slot, Notification notification) {
-        this(context, slot, notification, false);
+    public StatusBarIconView(Context context, String slot, StatusBarNotification sbn) {
+        this(context, slot, sbn, false);
     }
 
-    public StatusBarIconView(Context context, String slot, Notification notification,
+    public StatusBarIconView(Context context, String slot, StatusBarNotification sbn,
             boolean blocked) {
         super(context);
         mDozer = new NotificationIconDozeHelper(context);
@@ -141,7 +142,7 @@
         mNumberPain.setTextAlign(Paint.Align.CENTER);
         mNumberPain.setColor(context.getColor(R.drawable.notification_number_text_color));
         mNumberPain.setAntiAlias(true);
-        setNotification(notification);
+        setNotification(sbn);
         maybeUpdateIconScaleDimens();
         setScaleType(ScaleType.CENTER);
         mDensity = context.getResources().getDisplayMetrics().densityDpi;
@@ -207,9 +208,11 @@
         }
     }
 
-    public void setNotification(Notification notification) {
+    public void setNotification(StatusBarNotification notification) {
         mNotification = notification;
-        setContentDescription(notification);
+        if (notification != null) {
+            setContentDescription(notification.getNotification());
+        }
     }
 
     public StatusBarIconView(Context context, AttributeSet attrs) {
@@ -315,6 +318,10 @@
         return true;
     }
 
+    public Icon getSourceIcon() {
+        return mIcon.icon;
+    }
+
     private Drawable getIcon(StatusBarIcon icon) {
         return getIcon(getContext(), icon);
     }
@@ -354,7 +361,7 @@
     public void onInitializeAccessibilityEvent(AccessibilityEvent event) {
         super.onInitializeAccessibilityEvent(event);
         if (mNotification != null) {
-            event.setParcelableData(mNotification);
+            event.setParcelableData(mNotification.getNotification());
         }
     }
 
@@ -456,6 +463,10 @@
             + " notification=" + mNotification + ")";
     }
 
+    public StatusBarNotification getNotification() {
+        return mNotification;
+    }
+
     public String getSlot() {
         return mSlot;
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationIconAreaController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationIconAreaController.java
index 52838b0..5bfdd1f 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationIconAreaController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationIconAreaController.java
@@ -4,11 +4,15 @@
 import android.content.res.Resources;
 import android.graphics.Color;
 import android.graphics.Rect;
+import android.graphics.drawable.Icon;
 import android.support.annotation.NonNull;
+import android.support.v4.util.ArrayMap;
+import android.support.v4.util.ArraySet;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.widget.FrameLayout;
 
+import com.android.internal.statusbar.StatusBarIcon;
 import com.android.internal.util.NotificationColorUtil;
 import com.android.systemui.R;
 import com.android.systemui.statusbar.ExpandableNotificationRow;
@@ -180,14 +184,54 @@
             }
         }
 
+        // In case we are changing the suppression of a group, the replacement shouldn't flicker
+        // and it should just be replaced instead. We therefore look for notifications that were
+        // just replaced by the child or vice-versa to suppress this.
 
+        ArrayMap<String, ArrayList<StatusBarIcon>> replacingIcons = new ArrayMap<>();
         ArrayList<View> toRemove = new ArrayList<>();
         for (int i = 0; i < hostLayout.getChildCount(); i++) {
             View child = hostLayout.getChildAt(i);
+            if (!(child instanceof StatusBarIconView)) {
+                continue;
+            }
             if (!toShow.contains(child)) {
-                toRemove.add(child);
+                boolean iconWasReplaced = false;
+                StatusBarIconView removedIcon = (StatusBarIconView) child;
+                String removedGroupKey = removedIcon.getNotification().getGroupKey();
+                for (int j = 0; j < toShow.size(); j++) {
+                    StatusBarIconView candidate = toShow.get(j);
+                    if (candidate.getSourceIcon().sameAs((removedIcon.getSourceIcon()))
+                            && candidate.getNotification().getGroupKey().equals(removedGroupKey)) {
+                        if (!iconWasReplaced) {
+                            iconWasReplaced = true;
+                        } else {
+                            iconWasReplaced = false;
+                            break;
+                        }
+                    }
+                }
+                if (iconWasReplaced) {
+                    ArrayList<StatusBarIcon> statusBarIcons = replacingIcons.get(removedGroupKey);
+                    if (statusBarIcons == null) {
+                        statusBarIcons = new ArrayList<>();
+                        replacingIcons.put(removedGroupKey, statusBarIcons);
+                    }
+                    statusBarIcons.add(removedIcon.getStatusBarIcon());
+                }
+                toRemove.add(removedIcon);
             }
         }
+        // removing all duplicates
+        ArrayList<String> duplicates = new ArrayList<>();
+        for (String key : replacingIcons.keySet()) {
+            ArrayList<StatusBarIcon> statusBarIcons = replacingIcons.get(key);
+            if (statusBarIcons.size() != 1) {
+                duplicates.add(key);
+            }
+        }
+        replacingIcons.removeAll(duplicates);
+        hostLayout.setReplacingIcons(replacingIcons);
 
         final int toRemoveCount = toRemove.size();
         for (int i = 0; i < toRemoveCount; i++) {
@@ -217,6 +261,7 @@
             hostLayout.addView(expected, i);
         }
         hostLayout.setChangingViewPositions(false);
+        hostLayout.setReplacingIcons(null);
     }
 
     /**
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationIconContainer.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationIconContainer.java
index f94bb0c..a4fadc4 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationIconContainer.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationIconContainer.java
@@ -21,9 +21,13 @@
 import android.graphics.Canvas;
 import android.graphics.Color;
 import android.graphics.Paint;
+import android.graphics.drawable.Icon;
+import android.support.v4.util.ArrayMap;
+import android.support.v4.util.ArraySet;
 import android.util.AttributeSet;
 import android.view.View;
 
+import com.android.internal.statusbar.StatusBarIcon;
 import com.android.systemui.Interpolators;
 import com.android.systemui.R;
 import com.android.systemui.statusbar.AlphaOptimizedFrameLayout;
@@ -33,6 +37,7 @@
 import com.android.systemui.statusbar.stack.StackStateAnimator;
 import com.android.systemui.statusbar.stack.ViewState;
 
+import java.util.ArrayList;
 import java.util.HashMap;
 
 /**
@@ -117,6 +122,7 @@
     private float mVisualOverflowAdaption;
     private boolean mDisallowNextAnimation;
     private boolean mAnimationsEnabled = true;
+    private ArrayMap<String, ArrayList<StatusBarIcon>> mReplacingIcons;
 
     public NotificationIconContainer(Context context, AttributeSet attrs) {
         super(context, attrs);
@@ -183,11 +189,17 @@
     @Override
     public void onViewAdded(View child) {
         super.onViewAdded(child);
+        boolean isReplacingIcon = isReplacingIcon(child);
         if (!mChangingViewPositions) {
-            mIconStates.put(child, new IconState());
+            IconState v = new IconState();
+            if (isReplacingIcon) {
+                v.justAdded = false;
+                v.justReplaced = true;
+            }
+            mIconStates.put(child, v);
         }
         int childIndex = indexOfChild(child);
-        if (childIndex < getChildCount() - 1
+        if (childIndex < getChildCount() - 1 && !isReplacingIcon
             && mIconStates.get(getChildAt(childIndex + 1)).iconAppearAmount > 0.0f) {
             if (mAddAnimationStartIndex < 0) {
                 mAddAnimationStartIndex = childIndex;
@@ -200,13 +212,34 @@
         }
     }
 
+    private boolean isReplacingIcon(View child) {
+        if (mReplacingIcons == null) {
+            return false;
+        }
+        if (!(child instanceof StatusBarIconView)) {
+            return false;
+        }
+        StatusBarIconView iconView = (StatusBarIconView) child;
+        Icon sourceIcon = iconView.getSourceIcon();
+        String groupKey = iconView.getNotification().getGroupKey();
+        ArrayList<StatusBarIcon> statusBarIcons = mReplacingIcons.get(groupKey);
+        if (statusBarIcons != null) {
+            StatusBarIcon replacedIcon = statusBarIcons.get(0);
+            if (sourceIcon.sameAs(replacedIcon.icon)) {
+                return true;
+            }
+        }
+        return false;
+    }
+
     @Override
     public void onViewRemoved(View child) {
         super.onViewRemoved(child);
         if (child instanceof StatusBarIconView) {
+            boolean isReplacingIcon = isReplacingIcon(child);
             final StatusBarIconView icon = (StatusBarIconView) child;
             if (icon.getVisibleState() != StatusBarIconView.STATE_HIDDEN
-                    && child.getVisibility() == VISIBLE) {
+                    && child.getVisibility() == VISIBLE && isReplacingIcon) {
                 int animationStartIndex = findFirstViewIndexAfter(icon.getTranslationX());
                 if (mAddAnimationStartIndex < 0) {
                     mAddAnimationStartIndex = animationStartIndex;
@@ -216,9 +249,11 @@
             }
             if (!mChangingViewPositions) {
                 mIconStates.remove(child);
-                addTransientView(icon, 0);
-                icon.setVisibleState(StatusBarIconView.STATE_HIDDEN, true /* animate */,
-                        () -> removeTransientView(icon));
+                if (!isReplacingIcon) {
+                    addTransientView(icon, 0);
+                    icon.setVisibleState(StatusBarIconView.STATE_HIDDEN, true /* animate */,
+                            () -> removeTransientView(icon));
+                }
             }
         }
     }
@@ -473,11 +508,16 @@
         mAnimationsEnabled = enabled;
     }
 
+    public void setReplacingIcons(ArrayMap<String, ArrayList<StatusBarIcon>> replacingIcons) {
+        mReplacingIcons = replacingIcons;
+    }
+
     public class IconState extends ViewState {
         public float iconAppearAmount = 1.0f;
         public float clampedAppearAmount = 1.0f;
         public int visibleState;
         public boolean justAdded = true;
+        private boolean justReplaced;
         public boolean needsCannedAnimation;
         public boolean useFullTransitionAmount;
         public boolean useLinearTransitionAmount;
@@ -496,9 +536,9 @@
                         && !mDisallowNextAnimation
                         && !noAnimations;
                 if (animationsAllowed) {
-                    if (justAdded) {
+                    if (justAdded || justReplaced) {
                         super.applyToView(icon);
-                        if (iconAppearAmount != 0.0f) {
+                        if (justAdded && iconAppearAmount != 0.0f) {
                             icon.setAlpha(0.0f);
                             icon.setVisibleState(StatusBarIconView.STATE_HIDDEN,
                                     false /* animate */);
@@ -557,6 +597,7 @@
                 }
             }
             justAdded = false;
+            justReplaced = false;
             needsCannedAnimation = false;
             justUndarkened = false;
         }
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 1e658d9..f4f48a3 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
@@ -471,6 +471,7 @@
     int mSystemUiVisibility = View.SYSTEM_UI_FLAG_VISIBLE;
     private final Rect mLastFullscreenStackBounds = new Rect();
     private final Rect mLastDockedStackBounds = new Rect();
+    private final Rect mTmpRect = new Rect();
 
     // last value sent to window manager
     private int mLastDispatchedSystemUiVisibility = ~View.SYSTEM_UI_FLAG_VISIBLE;
@@ -1371,20 +1372,33 @@
         int numChildren = mStackScroller.getChildCount();
 
         final ArrayList<View> viewsToHide = new ArrayList<View>(numChildren);
+        final ArrayList<ExpandableNotificationRow> viewsToRemove = new ArrayList<>(numChildren);
         for (int i = 0; i < numChildren; i++) {
             final View child = mStackScroller.getChildAt(i);
             if (child instanceof ExpandableNotificationRow) {
-                if (mStackScroller.canChildBeDismissed(child)) {
-                    if (child.getVisibility() == View.VISIBLE) {
-                        viewsToHide.add(child);
-                    }
-                }
                 ExpandableNotificationRow row = (ExpandableNotificationRow) child;
+                boolean parentVisible = false;
+                boolean hasClipBounds = child.getClipBounds(mTmpRect);
+                if (mStackScroller.canChildBeDismissed(child)) {
+                    viewsToRemove.add(row);
+                    if (child.getVisibility() == View.VISIBLE
+                            && (!hasClipBounds || mTmpRect.height() > 0)) {
+                        viewsToHide.add(child);
+                        parentVisible = true;
+                    }
+                } else if (child.getVisibility() == View.VISIBLE
+                        && (!hasClipBounds || mTmpRect.height() > 0)) {
+                    parentVisible = true;
+                }
                 List<ExpandableNotificationRow> children = row.getNotificationChildren();
-                if (row.areChildrenExpanded() && children != null) {
+                if (children != null) {
                     for (ExpandableNotificationRow childRow : children) {
-                        if (mStackScroller.canChildBeDismissed(childRow)) {
-                            if (childRow.getVisibility() == View.VISIBLE) {
+                        viewsToRemove.add(childRow);
+                        if (parentVisible && row.areChildrenExpanded()
+                                && mStackScroller.canChildBeDismissed(childRow)) {
+                            hasClipBounds = childRow.getClipBounds(mTmpRect);
+                            if (childRow.getVisibility() == View.VISIBLE
+                                    && (!hasClipBounds || mTmpRect.height() > 0)) {
                                 viewsToHide.add(childRow);
                             }
                         }
@@ -1392,7 +1406,7 @@
                 }
             }
         }
-        if (viewsToHide.isEmpty()) {
+        if (viewsToRemove.isEmpty()) {
             animateCollapsePanels(CommandQueue.FLAG_EXCLUDE_NONE);
             return;
         }
@@ -1401,6 +1415,13 @@
             @Override
             public void run() {
                 mStackScroller.setDismissAllInProgress(false);
+                for (ExpandableNotificationRow rowToRemove : viewsToRemove) {
+                    if (mStackScroller.canChildBeDismissed(rowToRemove)) {
+                        removeNotification(rowToRemove.getEntry().key, null);
+                    } else {
+                        rowToRemove.resetTranslation();
+                    }
+                }
                 try {
                     mBarService.onClearAllNotifications(mCurrentUserId);
                 } catch (Exception ex) { }
@@ -6100,6 +6121,9 @@
     }
 
     public boolean isLockscreenPublicMode(int userId) {
+        if (userId == UserHandle.USER_ALL) {
+            return mLockscreenPublicMode.get(mCurrentUserId, false);
+        }
         return mLockscreenPublicMode.get(userId, false);
     }
 
@@ -6778,7 +6802,7 @@
         entry.notification = notification;
         mGroupManager.onEntryUpdated(entry, oldNotification);
 
-        entry.updateIcons(mContext, n);
+        entry.updateIcons(mContext, notification);
         inflateViews(entry, mStackScroller);
 
         mForegroundServiceController.updateNotification(notification,
diff --git a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarTest.java b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarTest.java
index 55ec307..db6647c 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/statusbar/phone/StatusBarTest.java
@@ -72,7 +72,7 @@
     NotificationData mNotificationData;
     PowerManager mPowerManager;
     SystemServicesProxy mSystemServicesProxy;
-
+    NotificationPanelView mNotificationPanelView;
     private DisplayMetrics mDisplayMetrics = new DisplayMetrics();
 
     @Before
@@ -85,6 +85,7 @@
         mHeadsUpManager = mock(HeadsUpManager.class);
         mNotificationData = mock(NotificationData.class);
         mSystemServicesProxy = mock(SystemServicesProxy.class);
+        mNotificationPanelView = mock(NotificationPanelView.class);
         IPowerManager powerManagerService = mock(IPowerManager.class);
         HandlerThread handlerThread = new HandlerThread("TestThread");
         handlerThread.start();
@@ -95,7 +96,7 @@
         mDependency.injectTestDependency(MetricsLogger.class, mMetricsLogger);
         mStatusBar = new TestableStatusBar(mStatusBarKeyguardViewManager, mUnlockMethodCache,
                 mKeyguardIndicationController, mStackScroller, mHeadsUpManager,
-                mNotificationData, mPowerManager, mSystemServicesProxy);
+                mNotificationData, mPowerManager, mSystemServicesProxy, mNotificationPanelView);
 
         doAnswer(invocation -> {
             OnDismissAction onDismissAction = (OnDismissAction) invocation.getArguments()[0];
@@ -287,7 +288,7 @@
         public TestableStatusBar(StatusBarKeyguardViewManager man,
                 UnlockMethodCache unlock, KeyguardIndicationController key,
                 NotificationStackScrollLayout stack, HeadsUpManager hum, NotificationData nd,
-                PowerManager pm, SystemServicesProxy ssp) {
+                PowerManager pm, SystemServicesProxy ssp, NotificationPanelView panelView) {
             mStatusBarKeyguardViewManager = man;
             mUnlockMethodCache = unlock;
             mKeyguardIndicationController = key;
@@ -297,6 +298,7 @@
             mUseHeadsUp = true;
             mPowerManager = pm;
             mSystemServicesProxy = ssp;
+            mNotificationPanel = panelView;
         }
 
         @Override
diff --git a/services/autofill/java/com/android/server/autofill/Session.java b/services/autofill/java/com/android/server/autofill/Session.java
index 980a7d4..073d7b2 100644
--- a/services/autofill/java/com/android/server/autofill/Session.java
+++ b/services/autofill/java/com/android/server/autofill/Session.java
@@ -774,20 +774,29 @@
                 break;
             }
 
-            final AutofillValue currentValue = viewState.getCurrentValue();
-            if (currentValue == null || currentValue.isEmpty()) {
-                if (sDebug) {
-                    Slog.d(TAG, "showSaveLocked(): empty value for required " + id );
+            AutofillValue value = viewState.getCurrentValue();
+            if (value == null || value.isEmpty()) {
+                final AutofillValue initialValue = getValueFromContexts(id);
+                if (initialValue != null) {
+                    if (sDebug) {
+                        Slog.d(TAG, "Value of required field " + id + " didn't change; "
+                                + "using initial value (" + initialValue + ") instead");
+                    }
+                    value = initialValue;
+                } else {
+                    if (sDebug) {
+                        Slog.d(TAG, "showSaveLocked(): empty value for required " + id );
+                    }
+                    allRequiredAreNotEmpty = false;
+                    break;
                 }
-                allRequiredAreNotEmpty = false;
-                break;
             }
             final AutofillValue filledValue = viewState.getAutofilledValue();
 
-            if (!currentValue.equals(filledValue)) {
+            if (!value.equals(filledValue)) {
                 if (sDebug) {
                     Slog.d(TAG, "showSaveLocked(): found a change on required " + id + ": "
-                            + filledValue + " => " + currentValue);
+                            + filledValue + " => " + value);
                 }
                 atLeastOneChanged = true;
             }
@@ -845,6 +854,31 @@
     }
 
     /**
+     * Gets the latest non-empty value for the given id in the autofill contexts.
+     */
+    @Nullable
+    private AutofillValue getValueFromContexts(AutofillId id) {
+        AutofillValue value = null;
+        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();
+                if (sDebug) {
+                    Slog.d(TAG, "getValueFromContexts(" + id + ") at " + i + ": " + candidate);
+                }
+                if (candidate != null && !candidate.isEmpty()) {
+                    value = candidate;
+                }
+            }
+        }
+        return value;
+    }
+
+    /**
      * Calls service when user requested save.
      */
     void callSaveLocked() {
@@ -1009,7 +1043,7 @@
                     || action == ACTION_VIEW_ENTERED) {
                 if (sVerbose) Slog.v(TAG, "Creating viewState for " + id + " on " + action);
                 boolean isIgnored = isIgnoredLocked(id);
-                viewState = new ViewState(this, id, value, this,
+                viewState = new ViewState(this, id, this,
                         isIgnored ? ViewState.STATE_IGNORED : ViewState.STATE_INITIAL);
                 mViewStates.put(id, viewState);
                 if (isIgnored) {
@@ -1307,7 +1341,7 @@
         if (viewState != null)  {
             viewState.setState(state);
         } else {
-            viewState = new ViewState(this, id, null, this, state);
+            viewState = new ViewState(this, id, this, state);
             if (sVerbose) {
                 Slog.v(TAG, "Adding autofillable view with id " + id + " and state " + state);
             }
@@ -1370,10 +1404,16 @@
         }
     }
 
+    @Override
+    public String toString() {
+        return "Session: [id=" + id + ", pkg=" + mPackageName + "]";
+    }
+
     void dumpLocked(String prefix, PrintWriter pw) {
         final String prefix2 = prefix + "  ";
         pw.print(prefix); pw.print("id: "); pw.println(id);
         pw.print(prefix); pw.print("uid: "); pw.println(uid);
+        pw.print(prefix); pw.print("mPackagename: "); pw.println(mPackageName);
         pw.print(prefix); pw.print("mActivityToken: "); pw.println(mActivityToken);
         pw.print(prefix); pw.print("mResponses: ");
         if (mResponses == null) {
diff --git a/services/autofill/java/com/android/server/autofill/ViewState.java b/services/autofill/java/com/android/server/autofill/ViewState.java
index cd8f4a5..51659bb 100644
--- a/services/autofill/java/com/android/server/autofill/ViewState.java
+++ b/services/autofill/java/com/android/server/autofill/ViewState.java
@@ -74,16 +74,14 @@
     private final Session mSession;
 
     private FillResponse mResponse;
-    private AutofillValue mInitialValue;
     private AutofillValue mCurrentValue;
     private AutofillValue mAutofilledValue;
     private Rect mVirtualBounds;
     private int mState;
 
-    ViewState(Session session, AutofillId id, AutofillValue value, Listener listener, int state) {
+    ViewState(Session session, AutofillId id, Listener listener, int state) {
         mSession = session;
         this.id = id;
-        mInitialValue = value;
         mListener = listener;
         mState = state;
     }
@@ -118,11 +116,6 @@
     }
 
     @Nullable
-    AutofillValue getInitialValue() {
-        return mInitialValue;
-    }
-
-    @Nullable
     FillResponse getResponse() {
         return mResponse;
     }
@@ -189,8 +182,8 @@
 
     @Override
     public String toString() {
-        return "ViewState: [id=" + id + ", initialValue=" + mInitialValue
-                + ", currentValue=" + mCurrentValue + ", autofilledValue=" + mAutofilledValue
+        return "ViewState: [id=" + id + ", currentValue=" + mCurrentValue
+                + ", autofilledValue=" + mAutofilledValue
                 + ", bounds=" + mVirtualBounds + ", state=" + getStateAsString() + "]";
     }
 
@@ -207,7 +200,6 @@
                 pw.println(mResponse.getRequestId());
             }
         }
-        pw.print(prefix); pw.print("initialValue:" ); pw.println(mInitialValue);
         pw.print(prefix); pw.print("currentValue:" ); pw.println(mCurrentValue);
         pw.print(prefix); pw.print("autofilledValue:" ); pw.println(mAutofilledValue);
         pw.print(prefix); pw.print("virtualBounds:" ); pw.println(mVirtualBounds);
diff --git a/services/autofill/java/com/android/server/autofill/ui/AutoFillUI.java b/services/autofill/java/com/android/server/autofill/ui/AutoFillUI.java
index c3d55054..8ffe8f5 100644
--- a/services/autofill/java/com/android/server/autofill/ui/AutoFillUI.java
+++ b/services/autofill/java/com/android/server/autofill/ui/AutoFillUI.java
@@ -332,6 +332,10 @@
 
     @android.annotation.UiThread
     private void hideSaveUiUiThread(@Nullable AutoFillUiCallback callback) {
+        if (sVerbose) {
+            Slog.v(TAG, "hideSaveUiUiThread(): mSaveUi=" + mSaveUi + ", callback=" + callback
+                    + ", mCallback=" + mCallback);
+        }
         if (mSaveUi != null && (callback == null || callback == mCallback)) {
             mSaveUi.destroy();
             mSaveUi = null;
diff --git a/services/autofill/java/com/android/server/autofill/ui/FillUi.java b/services/autofill/java/com/android/server/autofill/ui/FillUi.java
index d566d3d..e9c98e9 100644
--- a/services/autofill/java/com/android/server/autofill/ui/FillUi.java
+++ b/services/autofill/java/com/android/server/autofill/ui/FillUi.java
@@ -398,6 +398,12 @@
             } catch (WindowManager.BadTokenException e) {
                 if (sDebug) Slog.d(TAG, "Filed with with token " + params.token + " gone.");
                 mCallback.onDestroy();
+            } catch (IllegalStateException e) {
+                // WM throws an ISE if mContentView was added twice; this should never happen -
+                // since show() and hide() are always called in the UIThread - but when it does,
+                // it should not crash the system.
+                Slog.e(TAG, "Exception showing window " + params, e);
+                mCallback.onDestroy();
             }
         }
 
@@ -405,10 +411,18 @@
          * Hides the window.
          */
         void hide() {
-            if (mShowing) {
-                mContentView.setOnTouchListener(null);
-                mWm.removeView(mContentView);
-                mShowing = false;
+            try {
+                if (mShowing) {
+                    mContentView.setOnTouchListener(null);
+                    mWm.removeView(mContentView);
+                    mShowing = false;
+                }
+            } catch (IllegalStateException e) {
+                // WM might thrown an ISE when removing the mContentView; this should never
+                // happen - since show() and hide() are always called in the UIThread - but if it
+                // does, it should not crash the system.
+                Slog.e(TAG, "Exception hiding window ", e);
+                mCallback.onDestroy();
             }
         }
 
@@ -489,7 +503,7 @@
                         final String value = item.getValue();
                         // No value, i.e. null, matches any filter
                         if (value == null
-                                || value.toLowerCase().contains(constraintLowerCase)) {
+                                || value.toLowerCase().startsWith(constraintLowerCase)) {
                             filteredItems.add(item);
                         }
                     }
diff --git a/services/autofill/java/com/android/server/autofill/ui/SaveUi.java b/services/autofill/java/com/android/server/autofill/ui/SaveUi.java
index d25ffce..491af91 100644
--- a/services/autofill/java/com/android/server/autofill/ui/SaveUi.java
+++ b/services/autofill/java/com/android/server/autofill/ui/SaveUi.java
@@ -17,6 +17,7 @@
 package com.android.server.autofill.ui;
 
 import static com.android.server.autofill.Helper.sDebug;
+import static com.android.server.autofill.Helper.sVerbose;
 
 import android.annotation.NonNull;
 import android.app.Dialog;
@@ -63,7 +64,7 @@
 
         @Override
         public void onSave() {
-            if (sDebug) Slog.d(TAG, "onSave(): " + mDone);
+            if (sDebug) Slog.d(TAG, "OneTimeListener.onSave(): " + mDone);
             if (mDone) {
                 return;
             }
@@ -73,7 +74,7 @@
 
         @Override
         public void onCancel(IntentSender listener) {
-            if (sDebug) Slog.d(TAG, "onCancel(): " + mDone);
+            if (sDebug) Slog.d(TAG, "OneTimeListener.onCancel(): " + mDone);
             if (mDone) {
                 return;
             }
@@ -83,7 +84,7 @@
 
         @Override
         public void onDestroy() {
-            if (sDebug) Slog.d(TAG, "onDestroy(): " + mDone);
+            if (sDebug) Slog.d(TAG, "OneTimeListener.onDestroy(): " + mDone);
             if (mDone) {
                 return;
             }
@@ -158,9 +159,8 @@
             subTitleView.setVisibility(View.VISIBLE);
         }
 
-        Slog.i(TAG, "Showing save dialog: " + mTitle);
         if (sDebug) {
-            Slog.d(TAG, "SubTitle: " + mSubTitle);
+            Slog.d(TAG, "on constructor: title=" + mTitle + ", subTitle=" + mSubTitle);
         }
 
         final TextView noButton = view.findViewById(R.id.autofill_save_no);
@@ -169,15 +169,15 @@
         } else {
             noButton.setText(R.string.autofill_save_no);
         }
-        noButton.setOnClickListener((v) -> mListener.onCancel(
-                info.getNegativeActionListener()));
+        View.OnClickListener cancelListener =
+                (v) -> mListener.onCancel(info.getNegativeActionListener());
+        noButton.setOnClickListener(cancelListener);
 
         final View yesButton = view.findViewById(R.id.autofill_save_yes);
         yesButton.setOnClickListener((v) -> mListener.onSave());
 
         final View closeButton = view.findViewById(R.id.autofill_save_close);
-        closeButton.setOnClickListener((v) -> mListener.onCancel(
-                info.getNegativeActionListener()));
+        closeButton.setOnClickListener(cancelListener);
 
         mDialog = new Dialog(context, R.style.Theme_DeviceDefault_Light_Panel);
         mDialog.setContentView(view);
@@ -195,13 +195,16 @@
         params.width = WindowManager.LayoutParams.MATCH_PARENT;
         params.accessibilityTitle = context.getString(R.string.autofill_save_accessibility_title);
 
+        Slog.i(TAG, "Showing save dialog: " + mTitle);
         mDialog.show();
     }
 
     void destroy() {
+        if (sDebug) Slog.d(TAG, "destroy()");
         throwIfDestroyed();
         mListener.onDestroy();
         mHandler.removeCallbacksAndMessages(mListener);
+        if (sVerbose) Slog.v(TAG, "destroy(): dismissing dialog");
         mDialog.dismiss();
         mDestroyed = true;
     }
@@ -212,6 +215,11 @@
         }
     }
 
+    @Override
+    public String toString() {
+        return mTitle == null ? "NO TITLE" : mTitle.toString();
+    }
+
     void dump(PrintWriter pw, String prefix) {
         pw.print(prefix); pw.print("title: "); pw.println(mTitle);
         pw.print(prefix); pw.print("subtitle: "); pw.println(mSubTitle);
diff --git a/services/core/java/com/android/server/VibratorService.java b/services/core/java/com/android/server/VibratorService.java
index 03e9dd2..16e63b3 100644
--- a/services/core/java/com/android/server/VibratorService.java
+++ b/services/core/java/com/android/server/VibratorService.java
@@ -73,6 +73,7 @@
 
     private final LinkedList<VibrationInfo> mPreviousVibrations;
     private final int mPreviousVibrationsLimit;
+    private final boolean mAllowPriorityVibrationsInLowPowerMode;
     private final boolean mSupportsAmplitudeControl;
     private final int mDefaultVibrationAmplitude;
     private final VibrationEffect[] mFallbackEffects;
@@ -213,6 +214,9 @@
         mDefaultVibrationAmplitude = mContext.getResources().getInteger(
                 com.android.internal.R.integer.config_defaultVibrationAmplitude);
 
+        mAllowPriorityVibrationsInLowPowerMode = mContext.getResources().getBoolean(
+                com.android.internal.R.bool.config_allowPriorityVibrationsInLowPowerMode);
+
         mPreviousVibrations = new LinkedList<>();
 
         IntentFilter filter = new IntentFilter();
@@ -456,7 +460,7 @@
     }
 
     private void startVibrationLocked(final Vibration vib) {
-        if (mLowPowerMode && vib.mUsageHint != AudioAttributes.USAGE_NOTIFICATION_RINGTONE) {
+        if (!isAllowedToVibrate(vib)) {
             if (DEBUG) {
                 Slog.e(TAG, "Vibrate ignored, low power mode");
             }
@@ -505,6 +509,26 @@
         }
     }
 
+    private boolean isAllowedToVibrate(Vibration vib) {
+        if (!mLowPowerMode) {
+            return true;
+        }
+        if (vib.mUsageHint == AudioAttributes.USAGE_NOTIFICATION_RINGTONE) {
+            return true;
+        }
+        if (!mAllowPriorityVibrationsInLowPowerMode) {
+            return false;
+        }
+        if (vib.mUsageHint == AudioAttributes.USAGE_ALARM ||
+            vib.mUsageHint == AudioAttributes.USAGE_ASSISTANCE_ACCESSIBILITY ||
+            vib.mUsageHint == AudioAttributes.USAGE_NOTIFICATION_COMMUNICATION_REQUEST) {
+
+            return true;
+        }
+
+        return false;
+    }
+
     private boolean shouldVibrateForRingtone() {
         AudioManager audioManager = (AudioManager) mContext.getSystemService(Context.AUDIO_SERVICE);
         int ringerMode = audioManager.getRingerModeInternal();
diff --git a/services/core/java/com/android/server/accounts/AccountManagerService.java b/services/core/java/com/android/server/accounts/AccountManagerService.java
index ec4dc64..f0b1b3b 100644
--- a/services/core/java/com/android/server/accounts/AccountManagerService.java
+++ b/services/core/java/com/android/server/accounts/AccountManagerService.java
@@ -751,6 +751,11 @@
         }
     }
 
+    private boolean isVisible(int visibility) {
+        return visibility == AccountManager.VISIBILITY_VISIBLE ||
+            visibility == AccountManager.VISIBILITY_USER_MANAGED_VISIBLE;
+    }
+
     /**
      * Updates visibility for given account name and package.
      *
@@ -803,8 +808,10 @@
                 if (notify) {
                     for (Entry<String, Integer> packageToVisibility : packagesToVisibility
                             .entrySet()) {
-                        if (shouldNotifyOnVisibilityChange(packageToVisibility.getValue(),
-                                resolveAccountVisibility(account, packageName, accounts))) {
+                        int oldVisibility = packageToVisibility.getValue();
+                        int currentVisibility =
+                            resolveAccountVisibility(account, packageName, accounts);
+                        if (isVisible(oldVisibility) != isVisible(currentVisibility)) {
                             notifyPackage(packageToVisibility.getKey(), accounts);
                         }
                     }
@@ -1181,8 +1188,7 @@
 
                             for (Entry<String, Integer> packageToVisibility :
                                     packagesToVisibility.entrySet()) {
-                                if (shouldNotifyOnVisibilityChange(packageToVisibility.getValue(),
-                                        AccountManager.VISIBILITY_NOT_VISIBLE)) {
+                                if (isVisible(packageToVisibility.getValue())) {
                                     notifyPackage(packageToVisibility.getKey(), accounts);
                                 }
                             }
@@ -1218,14 +1224,6 @@
         }
     }
 
-    private boolean shouldNotifyOnVisibilityChange(int oldVisibility, int newVisibility) {
-        boolean oldVisible = (oldVisibility == AccountManager.VISIBILITY_VISIBLE) ||
-            (oldVisibility == AccountManager.VISIBILITY_USER_MANAGED_VISIBLE);
-        boolean newVisible = (newVisibility == AccountManager.VISIBILITY_VISIBLE) ||
-            (newVisibility == AccountManager.VISIBILITY_USER_MANAGED_VISIBLE);
-        return oldVisible == newVisible;
-    }
-
     private SparseBooleanArray getUidsOfInstalledOrUpdatedPackagesAsUser(int userId) {
         // Get the UIDs of all apps that might have data on the device. We want
         // to preserve user data if the app might otherwise be storing data.
diff --git a/services/core/java/com/android/server/am/ActiveServices.java b/services/core/java/com/android/server/am/ActiveServices.java
index bad7091..c417484 100644
--- a/services/core/java/com/android/server/am/ActiveServices.java
+++ b/services/core/java/com/android/server/am/ActiveServices.java
@@ -813,7 +813,8 @@
             String title;
             String msg;
             String[] pkgs;
-            long oldestStartTime = System.currentTimeMillis(); // now
+            final long nowElapsed = SystemClock.elapsedRealtime();
+            long oldestStartTime = nowElapsed;
             if (active.size() == 1) {
                 intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
                 intent.setData(Uri.fromParts("package", active.get(0).mPackageName, null));
@@ -846,8 +847,8 @@
                             .addExtras(notificationBundle)
                             .setSmallIcon(R.drawable.stat_sys_vitals)
                             .setOngoing(true)
-                            .setShowWhen(oldestStartTime > 0)
-                            .setWhen(oldestStartTime)
+                            .setShowWhen(oldestStartTime < nowElapsed)
+                            .setWhen(System.currentTimeMillis() - (nowElapsed - oldestStartTime))
                             .setColor(context.getColor(
                                     com.android.internal.R.color.system_notification_accent_color))
                             .setContentTitle(title)
diff --git a/services/core/java/com/android/server/content/SyncManager.java b/services/core/java/com/android/server/content/SyncManager.java
index 1504538..3ca65cd 100644
--- a/services/core/java/com/android/server/content/SyncManager.java
+++ b/services/core/java/com/android/server/content/SyncManager.java
@@ -1858,7 +1858,7 @@
                     account.account.name, account.userId, account.account.type);
 
             pw.println("=======================================================================");
-            final PrintTable table = new PrintTable(12);
+            final PrintTable table = new PrintTable(13);
             table.set(0, 0,
                     "Authority", // 0
                     "Syncable",  // 1
@@ -1871,7 +1871,8 @@
                     "User",      // 8
                     "Tot",       // 9
                     "Time",      // 10
-                    "Last Sync" // 11
+                    "Last Sync", // 11
+                    "Etc"        // 12
             );
 
             final List<RegisteredServicesCache.ServiceInfo<SyncAdapterType>> sorted =
@@ -1921,6 +1922,7 @@
                     }
                 }
 
+                row1 = row;
                 if (status.lastSuccessTime != 0) {
                     table.set(row1++, 11, SyncStorageEngine.SOURCES[status.lastSuccessSource]
                             + " " + "SUCCESS");
diff --git a/services/core/java/com/android/server/display/DisplayPowerState.java b/services/core/java/com/android/server/display/DisplayPowerState.java
index 9862516..e2fd0ac 100644
--- a/services/core/java/com/android/server/display/DisplayPowerState.java
+++ b/services/core/java/com/android/server/display/DisplayPowerState.java
@@ -369,8 +369,8 @@
                     mPendingBacklight = backlight;
 
                     boolean changeInProgress = mStateChangeInProgress || mBacklightChangeInProgress;
-                    mStateChangeInProgress = stateChanged;
-                    mBacklightChangeInProgress = backlightChanged;
+                    mStateChangeInProgress = stateChanged || mStateChangeInProgress;
+                    mBacklightChangeInProgress = backlightChanged || mBacklightChangeInProgress;
 
                     if (!changeInProgress) {
                         mLock.notifyAll();
diff --git a/services/core/java/com/android/server/pm/DefaultPermissionGrantPolicy.java b/services/core/java/com/android/server/pm/DefaultPermissionGrantPolicy.java
index ac7b763..d1aecb1 100644
--- a/services/core/java/com/android/server/pm/DefaultPermissionGrantPolicy.java
+++ b/services/core/java/com/android/server/pm/DefaultPermissionGrantPolicy.java
@@ -936,7 +936,7 @@
         // permissions if the version on the system image does not declare them.
         if (!isDefaultPhoneOrSms && pkg.isUpdatedSystemApp()) {
             PackageSetting sysPs = mService.mSettings.getDisabledSystemPkgLPr(pkg.packageName);
-            if (sysPs != null) {
+            if (sysPs != null && sysPs.pkg != null) {
                 if (sysPs.pkg.requestedPermissions.isEmpty()) {
                     return;
                 }
diff --git a/services/core/java/com/android/server/wm/TaskSnapshotSurface.java b/services/core/java/com/android/server/wm/TaskSnapshotSurface.java
index 3a116bb..551e3bf 100644
--- a/services/core/java/com/android/server/wm/TaskSnapshotSurface.java
+++ b/services/core/java/com/android/server/wm/TaskSnapshotSurface.java
@@ -102,6 +102,8 @@
             | FLAG_SCALED
             | FLAG_SECURE;
 
+    private static final int PRIVATE_FLAG_INHERITS = PRIVATE_FLAG_FORCE_DRAW_STATUS_BAR_BACKGROUND;
+
     private static final String TAG = TAG_WITH_CLASS_NAME ? "SnapshotStartingWindow" : TAG_WM;
     private static final int MSG_REPORT_DRAW = 0;
     private static final String TITLE_FORMAT = "SnapshotStartingWindow for taskId=%s";
@@ -160,7 +162,8 @@
             layoutParams.flags = (windowFlags & ~FLAG_INHERIT_EXCLUDES)
                     | FLAG_NOT_FOCUSABLE
                     | FLAG_NOT_TOUCHABLE;
-            layoutParams.privateFlags = PRIVATE_FLAG_TASK_SNAPSHOT;
+            layoutParams.privateFlags = PRIVATE_FLAG_TASK_SNAPSHOT
+                    | (windowPrivateFlags & PRIVATE_FLAG_INHERITS);
             layoutParams.token = token.token;
             layoutParams.width = LayoutParams.MATCH_PARENT;
             layoutParams.height = LayoutParams.MATCH_PARENT;
diff --git a/services/core/java/com/android/server/wm/TaskStack.java b/services/core/java/com/android/server/wm/TaskStack.java
index eff8ed9..39878cc 100644
--- a/services/core/java/com/android/server/wm/TaskStack.java
+++ b/services/core/java/com/android/server/wm/TaskStack.java
@@ -109,6 +109,7 @@
 
     /** Application tokens that are exiting, but still on screen for animations. */
     final AppTokenList mExitingAppTokens = new AppTokenList();
+    final AppTokenList mTmpAppTokens = new AppTokenList();
 
     /** Detach this stack from its display when animation completes. */
     // TODO: maybe tie this to WindowContainer#removeChild some how...
@@ -1626,9 +1627,14 @@
 
         // TODO: Why aren't we just using the loop above for this? mAppAnimator.animating isn't set
         // below but is set in the loop above. See if it really matters...
-        final int exitingCount = mExitingAppTokens.size();
-        for (int i = 0; i < exitingCount; i++) {
-            final AppWindowAnimator appAnimator = mExitingAppTokens.get(i).mAppAnimator;
+
+        // Clear before using.
+        mTmpAppTokens.clear();
+        // We copy the list as things can be removed from the exiting token list while we are
+        // processing.
+        mTmpAppTokens.addAll(mExitingAppTokens);
+        for (int i = 0; i < mTmpAppTokens.size(); i++) {
+            final AppWindowAnimator appAnimator = mTmpAppTokens.get(i).mAppAnimator;
             appAnimator.wasAnimating = appAnimator.animating;
             if (appAnimator.stepAnimationLocked(currentTime)) {
                 mService.mAnimator.setAnimating(true);
@@ -1641,6 +1647,8 @@
                         "updateWindowsApps...: done animating exiting " + appAnimator.mAppToken);
             }
         }
+        // Clear to avoid holding reference to tokens.
+        mTmpAppTokens.clear();
     }
 
     @Override