diff --git a/core/java/android/os/Build.java b/core/java/android/os/Build.java
index 9f02050..3d3dc9c 100644
--- a/core/java/android/os/Build.java
+++ b/core/java/android/os/Build.java
@@ -714,7 +714,7 @@
         public static final int N = 24;
 
         /**
-         * N MR1: Still ¯\_(シ)_/¯.
+         * N MR1: Nougat++.
          */
         public static final int N_MR1 = 25;
     }
diff --git a/core/java/android/view/TextureView.java b/core/java/android/view/TextureView.java
index a5900e6..c7eca44 100644
--- a/core/java/android/view/TextureView.java
+++ b/core/java/android/view/TextureView.java
@@ -379,9 +379,9 @@
             if (createNewSurface) {
                 // Create a new SurfaceTexture for the layer.
                 mSurface = new SurfaceTexture(false);
-                mLayer.setSurfaceTexture(mSurface);
                 nCreateNativeWindow(mSurface);
             }
+            mLayer.setSurfaceTexture(mSurface);
             mSurface.setDefaultBufferSize(getWidth(), getHeight());
             mSurface.setOnFrameAvailableListener(mUpdateListener, mAttachInfo.mHandler);
 
diff --git a/core/java/android/view/WindowManager.java b/core/java/android/view/WindowManager.java
index 25f306d..0dbf00d 100644
--- a/core/java/android/view/WindowManager.java
+++ b/core/java/android/view/WindowManager.java
@@ -1590,6 +1590,15 @@
         public static final int ROTATION_ANIMATION_JUMPCUT = 2;
 
         /**
+         * Value for {@link #rotationAnimation} to specify seamless rotation mode.
+         * This works like JUMPCUT but will fall back to CROSSFADE if rotation
+         * can't be applied without pausing the screen.
+         *
+         * @hide
+         */
+        public static final int ROTATION_ANIMATION_SEAMLESS = 3;
+
+        /**
          * Define the exit and entry animations used on this window when the device is rotated.
          * This only has an affect if the incoming and outgoing topmost
          * opaque windows have the #FLAG_FULLSCREEN bit set and are not covered
diff --git a/docs/html/training/implementing-navigation/nav-drawer.jd b/docs/html/training/implementing-navigation/nav-drawer.jd
index d359a47..abc79b6 100644
--- a/docs/html/training/implementing-navigation/nav-drawer.jd
+++ b/docs/html/training/implementing-navigation/nav-drawer.jd
@@ -173,7 +173,7 @@
 <pre>
 private class DrawerItemClickListener implements ListView.OnItemClickListener {
     &#64;Override
-    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+    public void onItemClick(AdapterView&lt;?> parent, View view, int position, long id) {
         selectItem(position);
     }
 }
diff --git a/packages/SettingsLib/res/values-ko/strings.xml b/packages/SettingsLib/res/values-ko/strings.xml
index aaf3463..4617681 100644
--- a/packages/SettingsLib/res/values-ko/strings.xml
+++ b/packages/SettingsLib/res/values-ko/strings.xml
@@ -340,5 +340,5 @@
     <string name="screen_zoom_summary_very_large" msgid="7108563375663670067">"더 크게"</string>
     <string name="screen_zoom_summary_extremely_large" msgid="7427320168263276227">"가장 크게"</string>
     <string name="screen_zoom_summary_custom" msgid="5611979864124160447">"맞춤(<xliff:g id="DENSITYDPI">%d</xliff:g>)"</string>
-    <string name="help_feedback_label" msgid="6815040660801785649">"도움말 및 의견"</string>
+    <string name="help_feedback_label" msgid="6815040660801785649">"고객센터"</string>
 </resources>
diff --git a/packages/SystemUI/res/drawable-hdpi/ic_sysbar_back_carmode.png b/packages/SystemUI/res/drawable-hdpi/ic_sysbar_back_carmode.png
index 6242084..95e5778 100644
--- a/packages/SystemUI/res/drawable-hdpi/ic_sysbar_back_carmode.png
+++ b/packages/SystemUI/res/drawable-hdpi/ic_sysbar_back_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-hdpi/ic_sysbar_back_ime_carmode.png b/packages/SystemUI/res/drawable-hdpi/ic_sysbar_back_ime_carmode.png
index 1b37a47..6421146 100644
--- a/packages/SystemUI/res/drawable-hdpi/ic_sysbar_back_ime_carmode.png
+++ b/packages/SystemUI/res/drawable-hdpi/ic_sysbar_back_ime_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-hdpi/ic_sysbar_home_carmode.png b/packages/SystemUI/res/drawable-hdpi/ic_sysbar_home_carmode.png
index 9e05758..151d5fe 100644
--- a/packages/SystemUI/res/drawable-hdpi/ic_sysbar_home_carmode.png
+++ b/packages/SystemUI/res/drawable-hdpi/ic_sysbar_home_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-ldrtl-hdpi/ic_sysbar_back_carmode.png b/packages/SystemUI/res/drawable-ldrtl-hdpi/ic_sysbar_back_carmode.png
index 2fcfdde..b954aa7 100644
--- a/packages/SystemUI/res/drawable-ldrtl-hdpi/ic_sysbar_back_carmode.png
+++ b/packages/SystemUI/res/drawable-ldrtl-hdpi/ic_sysbar_back_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-ldrtl-mdpi/ic_sysbar_back_carmode.png b/packages/SystemUI/res/drawable-ldrtl-mdpi/ic_sysbar_back_carmode.png
index 48708a5..61d5db6 100644
--- a/packages/SystemUI/res/drawable-ldrtl-mdpi/ic_sysbar_back_carmode.png
+++ b/packages/SystemUI/res/drawable-ldrtl-mdpi/ic_sysbar_back_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-ldrtl-xhdpi/ic_sysbar_back_carmode.png b/packages/SystemUI/res/drawable-ldrtl-xhdpi/ic_sysbar_back_carmode.png
index 3d73184..7b98c1f 100644
--- a/packages/SystemUI/res/drawable-ldrtl-xhdpi/ic_sysbar_back_carmode.png
+++ b/packages/SystemUI/res/drawable-ldrtl-xhdpi/ic_sysbar_back_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-ldrtl-xxhdpi/ic_sysbar_back_carmode.png b/packages/SystemUI/res/drawable-ldrtl-xxhdpi/ic_sysbar_back_carmode.png
index 786935d..aad1320 100644
--- a/packages/SystemUI/res/drawable-ldrtl-xxhdpi/ic_sysbar_back_carmode.png
+++ b/packages/SystemUI/res/drawable-ldrtl-xxhdpi/ic_sysbar_back_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-mdpi/ic_sysbar_back_carmode.png b/packages/SystemUI/res/drawable-mdpi/ic_sysbar_back_carmode.png
index e4bd4bc..754b2d9 100644
--- a/packages/SystemUI/res/drawable-mdpi/ic_sysbar_back_carmode.png
+++ b/packages/SystemUI/res/drawable-mdpi/ic_sysbar_back_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-mdpi/ic_sysbar_back_ime_carmode.png b/packages/SystemUI/res/drawable-mdpi/ic_sysbar_back_ime_carmode.png
index 94ccf79..873ed7f 100644
--- a/packages/SystemUI/res/drawable-mdpi/ic_sysbar_back_ime_carmode.png
+++ b/packages/SystemUI/res/drawable-mdpi/ic_sysbar_back_ime_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-mdpi/ic_sysbar_home_carmode.png b/packages/SystemUI/res/drawable-mdpi/ic_sysbar_home_carmode.png
index 980bbbcb..7696d87 100644
--- a/packages/SystemUI/res/drawable-mdpi/ic_sysbar_home_carmode.png
+++ b/packages/SystemUI/res/drawable-mdpi/ic_sysbar_home_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-xhdpi/ic_sysbar_back_carmode.png b/packages/SystemUI/res/drawable-xhdpi/ic_sysbar_back_carmode.png
index 201be3b..c98f55e 100644
--- a/packages/SystemUI/res/drawable-xhdpi/ic_sysbar_back_carmode.png
+++ b/packages/SystemUI/res/drawable-xhdpi/ic_sysbar_back_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-xhdpi/ic_sysbar_back_ime_carmode.png b/packages/SystemUI/res/drawable-xhdpi/ic_sysbar_back_ime_carmode.png
index 2770d62..187a566 100644
--- a/packages/SystemUI/res/drawable-xhdpi/ic_sysbar_back_ime_carmode.png
+++ b/packages/SystemUI/res/drawable-xhdpi/ic_sysbar_back_ime_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-xhdpi/ic_sysbar_home_carmode.png b/packages/SystemUI/res/drawable-xhdpi/ic_sysbar_home_carmode.png
index 8ac6493..c66f8be 100644
--- a/packages/SystemUI/res/drawable-xhdpi/ic_sysbar_home_carmode.png
+++ b/packages/SystemUI/res/drawable-xhdpi/ic_sysbar_home_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-xxhdpi/ic_sysbar_back_carmode.png b/packages/SystemUI/res/drawable-xxhdpi/ic_sysbar_back_carmode.png
index 8e3678b..3a3a119 100644
--- a/packages/SystemUI/res/drawable-xxhdpi/ic_sysbar_back_carmode.png
+++ b/packages/SystemUI/res/drawable-xxhdpi/ic_sysbar_back_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-xxhdpi/ic_sysbar_back_ime_carmode.png b/packages/SystemUI/res/drawable-xxhdpi/ic_sysbar_back_ime_carmode.png
index 6c7cb058..7198c82 100644
--- a/packages/SystemUI/res/drawable-xxhdpi/ic_sysbar_back_ime_carmode.png
+++ b/packages/SystemUI/res/drawable-xxhdpi/ic_sysbar_back_ime_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-xxhdpi/ic_sysbar_home_carmode.png b/packages/SystemUI/res/drawable-xxhdpi/ic_sysbar_home_carmode.png
index ea2b108..b1fc02e 100644
--- a/packages/SystemUI/res/drawable-xxhdpi/ic_sysbar_home_carmode.png
+++ b/packages/SystemUI/res/drawable-xxhdpi/ic_sysbar_home_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-xxxhdpi/ic_sysbar_back_carmode.png b/packages/SystemUI/res/drawable-xxxhdpi/ic_sysbar_back_carmode.png
index 3e11023..c06bfda 100644
--- a/packages/SystemUI/res/drawable-xxxhdpi/ic_sysbar_back_carmode.png
+++ b/packages/SystemUI/res/drawable-xxxhdpi/ic_sysbar_back_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-xxxhdpi/ic_sysbar_back_ime_carmode.png b/packages/SystemUI/res/drawable-xxxhdpi/ic_sysbar_back_ime_carmode.png
index fe8213d..a8c76bf 100644
--- a/packages/SystemUI/res/drawable-xxxhdpi/ic_sysbar_back_ime_carmode.png
+++ b/packages/SystemUI/res/drawable-xxxhdpi/ic_sysbar_back_ime_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/drawable-xxxhdpi/ic_sysbar_home_carmode.png b/packages/SystemUI/res/drawable-xxxhdpi/ic_sysbar_home_carmode.png
index c117efd..b798e3d 100644
--- a/packages/SystemUI/res/drawable-xxxhdpi/ic_sysbar_home_carmode.png
+++ b/packages/SystemUI/res/drawable-xxxhdpi/ic_sysbar_home_carmode.png
Binary files differ
diff --git a/packages/SystemUI/res/layout/remote_input.xml b/packages/SystemUI/res/layout/remote_input.xml
index 0c8cc9b..f0c4e59 100644
--- a/packages/SystemUI/res/layout/remote_input.xml
+++ b/packages/SystemUI/res/layout/remote_input.xml
@@ -42,7 +42,6 @@
             android:singleLine="true"
             android:ellipsize="start"
             android:inputType="textShortMessage|textAutoCorrect|textCapSentences"
-            android:textIsSelectable="true"
             android:imeOptions="actionNone|flagNoExtractUi" />
 
     <FrameLayout
diff --git a/packages/SystemUI/res/values-th/strings.xml b/packages/SystemUI/res/values-th/strings.xml
index a60371b..7eb227e 100644
--- a/packages/SystemUI/res/values-th/strings.xml
+++ b/packages/SystemUI/res/values-th/strings.xml
@@ -345,7 +345,7 @@
     <string name="description_target_search" msgid="3091587249776033139">"ค้นหา"</string>
     <string name="description_direction_up" msgid="7169032478259485180">"เลื่อนขึ้นเพื่อ <xliff:g id="TARGET_DESCRIPTION">%s</xliff:g>"</string>
     <string name="description_direction_left" msgid="7207478719805562165">"เลื่อนไปทางซ้ายเพื่อ <xliff:g id="TARGET_DESCRIPTION">%s</xliff:g>"</string>
-    <string name="zen_priority_introduction" msgid="3070506961866919502">"คุณจะไม่ถูกรบกวนจากเสียงและการสั่น ยกเว้นการปลุก การเตือนความจำ กิจกรรม และผู้โทรที่คุณระบุ"</string>
+    <string name="zen_priority_introduction" msgid="3070506961866919502">"คุณจะไม่ถูกรบกวนจากเสียงและการสั่น ยกเว้นการปลุก การช่วยเตือน กิจกรรม และผู้โทรที่คุณระบุ"</string>
     <string name="zen_priority_customize_button" msgid="7948043278226955063">"กำหนดค่า"</string>
     <string name="zen_silence_introduction_voice" msgid="2284540992298200729">"การใช้โหมดนี้จะบล็อกเสียงและการสั่นทั้งหมด ซึ่งรวมถึงเสียงปลุก เพลง วิดีโอ และเกม คุณจะยังโทรออกได้อยู่"</string>
     <string name="zen_silence_introduction" msgid="3137882381093271568">"การใช้โหมดนี้จะบล็อกเสียงและการสั่นทั้งหมด ซึ่งรวมถึงเสียงปลุก เพลง วิดีโอ และเกม"</string>
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java
index 048c4bd..8cabfb9 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/KeyguardBottomAreaView.java
@@ -461,7 +461,7 @@
                     // happens to occur during the launch.
                     ActivityOptions o = ActivityOptions.makeBasic();
                     o.setRotationAnimationHint(
-                            WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE);
+                            WindowManager.LayoutParams.ROTATION_ANIMATION_SEAMLESS);
                     try {
                         result = ActivityManagerNative.getDefault().startActivityAsUser(
                                 null, getContext().getBasePackageName(),
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
index 51ff29e..45d51b0 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
@@ -54,7 +54,7 @@
 
 public class NavigationBarView extends LinearLayout {
     final static boolean DEBUG = false;
-    final static String TAG = "PhoneStatusBar/NavigationBarView";
+    final static String TAG = "StatusBar/NavBarView";
 
     // slippery nav bar when everything is disabled, e.g. during setup
     final static boolean SLIPPERY_WHEN_DISABLED = true;
@@ -527,8 +527,8 @@
         updateCurrentView();
     }
 
-    public boolean needsReorient() {
-        return mCurrentRotation != mDisplay.getRotation();
+    public boolean needsReorient(int rotation) {
+        return mCurrentRotation != rotation;
     }
 
     private void updateCurrentView() {
@@ -567,7 +567,7 @@
         setMenuVisibility(mShowMenu, true /* force */);
 
         if (DEBUG) {
-            Log.d(TAG, "reorient(): rot=" + mDisplay.getRotation());
+            Log.d(TAG, "reorient(): rot=" + mCurrentRotation);
         }
 
         updateTaskSwitchHelper();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationGroupManager.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationGroupManager.java
index 1755cc6..2c8339a 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationGroupManager.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NotificationGroupManager.java
@@ -42,7 +42,7 @@
     private int mBarState = -1;
     private HashMap<String, StatusBarNotification> mIsolatedEntries = new HashMap<>();
     private HeadsUpManager mHeadsUpManager;
-    private boolean mUpdatingSuppressionBlocked;
+    private boolean mIsUpdatingUnchangedGroup;
 
     public void setOnGroupChangeListener(OnGroupChangeListener listener) {
         mListener = listener;
@@ -141,7 +141,7 @@
     }
 
     private void updateSuppression(NotificationGroup group) {
-        if (group == null || mUpdatingSuppressionBlocked) {
+        if (group == null) {
             return;
         }
         boolean prevSuppressed = group.suppressed;
@@ -154,7 +154,9 @@
             if (group.suppressed) {
                 handleSuppressedSummaryHeadsUpped(group.summary);
             }
-            mListener.onGroupsChanged();
+            if (!mIsUpdatingUnchangedGroup) {
+                mListener.onGroupsChanged();
+            }
         }
     }
 
@@ -188,12 +190,12 @@
         boolean groupKeysChanged = !oldKey.equals(newKey);
         boolean wasGroupChild = isGroupChild(oldNotification);
         boolean isGroupChild = isGroupChild(entry.notification);
-        mUpdatingSuppressionBlocked = !groupKeysChanged && wasGroupChild == isGroupChild;
+        mIsUpdatingUnchangedGroup = !groupKeysChanged && wasGroupChild == isGroupChild;
         if (mGroupMap.get(getGroupKey(oldNotification)) != null) {
             onEntryRemovedInternal(entry, oldNotification);
         }
         onEntryAdded(entry);
-        mUpdatingSuppressionBlocked = false;
+        mIsUpdatingUnchangedGroup = false;
         if (isIsolated(entry.notification)) {
             mIsolatedEntries.put(entry.key, entry.notification);
             if (groupKeysChanged) {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
index b4368d693..64c082b 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/PhoneStatusBar.java
@@ -65,7 +65,6 @@
 import android.graphics.drawable.BitmapDrawable;
 import android.graphics.drawable.ColorDrawable;
 import android.graphics.drawable.Drawable;
-import android.hardware.display.DisplayManager;
 import android.inputmethodservice.InputMethodService;
 import android.media.AudioAttributes;
 import android.media.MediaMetadata;
@@ -100,6 +99,7 @@
 import android.util.EventLog;
 import android.util.Log;
 import android.view.Display;
+import android.view.IRotationWatcher;
 import android.view.KeyEvent;
 import android.view.LayoutInflater;
 import android.view.MotionEvent;
@@ -207,7 +207,7 @@
 
 public class PhoneStatusBar extends BaseStatusBar implements DemoMode,
         DragDownHelper.DragDownCallback, ActivityStarter, OnUnlockMethodChangedListener,
-        HeadsUpManager.OnHeadsUpChangedListener, DisplayManager.DisplayListener {
+        HeadsUpManager.OnHeadsUpChangedListener {
     static final String TAG = "PhoneStatusBar";
     public static final boolean DEBUG = BaseStatusBar.DEBUG;
     public static final boolean SPEW = false;
@@ -693,8 +693,6 @@
         mUnlockMethodCache.addListener(this);
         startKeyguard();
 
-        mContext.getSystemService(DisplayManager.class).registerDisplayListener(this, null);
-
         mDozeServiceHost = new DozeServiceHost();
         KeyguardUpdateMonitor.getInstance(mContext).registerCallback(mDozeServiceHost);
         putComponent(DozeHost.class, mDozeServiceHost);
@@ -1411,6 +1409,27 @@
         if (DEBUG) Log.v(TAG, "addNavigationBar: about to add " + mNavigationBarView);
         if (mNavigationBarView == null) return;
 
+        try {
+            WindowManagerGlobal.getWindowManagerService()
+                    .watchRotation(new IRotationWatcher.Stub() {
+                @Override
+                public void onRotationChanged(int rotation) throws RemoteException {
+                    // We need this to be scheduled as early as possible to beat the redrawing of
+                    // window in response to the orientation change.
+                    Message msg = Message.obtain(mHandler, () -> {
+                        if (mNavigationBarView != null
+                                && mNavigationBarView.needsReorient(rotation)) {
+                            repositionNavigationBar();
+                        }
+                    });
+                    msg.setAsynchronous(true);
+                    mHandler.sendMessageAtFrontOfQueue(msg);
+                }
+            });
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+
         prepareNavigationBarView();
 
         mWindowManager.addView(mNavigationBarView, getNavigationBarLayoutParams());
@@ -3419,7 +3438,7 @@
                     // force the crossfade animation if an orientation change
                     // happens to occur during the launch.
                     options.setRotationAnimationHint(
-                            WindowManager.LayoutParams.ROTATION_ANIMATION_CROSSFADE);
+                            WindowManager.LayoutParams.ROTATION_ANIMATION_SEAMLESS);
                 }
                 try {
                     result = ActivityManagerNative.getDefault().startActivityAsUser(
@@ -3587,22 +3606,6 @@
     }
 
     @Override
-    public void onDisplayAdded(int displayId) {
-    }
-
-    @Override
-    public void onDisplayRemoved(int displayId) {
-    }
-
-    @Override
-    public void onDisplayChanged(int displayId) {
-        if (displayId == Display.DEFAULT_DISPLAY
-                && mNavigationBarView != null && mNavigationBarView.needsReorient()) {
-            repositionNavigationBar();
-        }
-    }
-
-    @Override
     public void userSwitched(int newUserId) {
         super.userSwitched(newUserId);
         if (MULTIUSER_DEBUG) mNotificationPanelDebugText.setText("USER " + newUserId);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java b/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
index f72e50b..119d855 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/stack/NotificationStackScrollLayout.java
@@ -412,7 +412,10 @@
 
     @Override
     protected void onDraw(Canvas canvas) {
-        canvas.drawRect(0, mCurrentBounds.top, getWidth(), mCurrentBounds.bottom, mBackgroundPaint);
+        if (mCurrentBounds.top < mCurrentBounds.bottom) {
+            canvas.drawRect(0, mCurrentBounds.top, getWidth(), mCurrentBounds.bottom,
+                    mBackgroundPaint);
+        }
         if (DEBUG) {
             int y = mTopPadding;
             canvas.drawLine(0, y, getWidth(), y, mDebugPaint);
@@ -2013,11 +2016,12 @@
             bottom = top;
         }
         if (mPhoneStatusBar.getBarState() != StatusBarState.KEYGUARD) {
-            mBackgroundBounds.top = (int) Math.max(mTopPadding + mStackTranslation, top);
+            top = (int) Math.max(mTopPadding + mStackTranslation, top);
         } else {
             // otherwise the animation from the shade to the keyguard will jump as it's maxed
-            mBackgroundBounds.top = Math.max(0, top);
+            top = Math.max(0, top);
         }
+        mBackgroundBounds.top = top;
         mBackgroundBounds.bottom = Math.min(getHeight(), Math.max(bottom, top));
     }
 
diff --git a/services/accessibility/java/com/android/server/accessibility/KeyEventDispatcher.java b/services/accessibility/java/com/android/server/accessibility/KeyEventDispatcher.java
index e03c16e..e8f93b8 100644
--- a/services/accessibility/java/com/android/server/accessibility/KeyEventDispatcher.java
+++ b/services/accessibility/java/com/android/server/accessibility/KeyEventDispatcher.java
@@ -121,7 +121,7 @@
             Service service = boundServices.get(i);
             // Key events are handled only by services that declared
             // this capability and requested to filter key events.
-            if (!service.mRequestFilterKeyEvents) {
+            if (!service.mRequestFilterKeyEvents || (service.mServiceInterface == null)) {
                 continue;
             }
             int filterKeyEventBit = service.mAccessibilityServiceInfo.getCapabilities()
diff --git a/services/core/java/com/android/server/policy/PhoneWindowManager.java b/services/core/java/com/android/server/policy/PhoneWindowManager.java
index f7454a3..6295630 100644
--- a/services/core/java/com/android/server/policy/PhoneWindowManager.java
+++ b/services/core/java/com/android/server/policy/PhoneWindowManager.java
@@ -2891,6 +2891,7 @@
             }
             switch (animationHint) {
                 case ROTATION_ANIMATION_CROSSFADE:
+                case ROTATION_ANIMATION_SEAMLESS: // Crossfade is fallback for seamless.
                     anim[0] = R.anim.rotation_animation_xfade_exit;
                     anim[1] = R.anim.rotation_animation_enter;
                     break;
@@ -7751,14 +7752,15 @@
             return false;
         }
 
+        final WindowState w = mTopFullscreenOpaqueWindowState;
+
         // We only enable seamless rotation if the top window has requested
         // it and is in the fullscreen opaque state. Seamless rotation
         // requires freezing various Surface states and won't work well
         // with animations, so we disable it in the animation case for now.
-        if (mTopFullscreenOpaqueWindowState != null && mTopIsFullscreen &&
-                !mTopFullscreenOpaqueWindowState.isAnimatingLw() &&
-                mTopFullscreenOpaqueWindowState.getAttrs().rotationAnimation ==
-                ROTATION_ANIMATION_JUMPCUT) {
+        if (w != null && !w.isAnimatingLw() &&
+                ((w.getAttrs().rotationAnimation == ROTATION_ANIMATION_JUMPCUT) ||
+                        (w.getAttrs().rotationAnimation == ROTATION_ANIMATION_SEAMLESS))) {
             return true;
         }
         return false;
diff --git a/services/core/java/com/android/server/wm/AppWindowToken.java b/services/core/java/com/android/server/wm/AppWindowToken.java
index 1f385df..b065392 100644
--- a/services/core/java/com/android/server/wm/AppWindowToken.java
+++ b/services/core/java/com/android/server/wm/AppWindowToken.java
@@ -340,6 +340,7 @@
     }
 
     void clearAnimatingFlags() {
+        boolean wallpaperMightChange = false;
         for (int i = allAppWindows.size() - 1; i >= 0; i--) {
             final WindowState win = allAppWindows.get(i);
             // We don't want to clear it out for windows that get replaced, because the
@@ -350,7 +351,6 @@
             // by the client. We should let animation proceed and not clear this flag or
             // they won't eventually be removed by WindowStateAnimator#finishExit.
             if (!win.mWillReplaceWindow && !win.mRemoveOnExit) {
-                win.mAnimatingExit = false;
                 // Clear mAnimating flag together with mAnimatingExit. When animation
                 // changes from exiting to entering, we need to clear this flag until the
                 // new animation gets applied, so that isAnimationStarting() becomes true
@@ -358,15 +358,24 @@
                 // Otherwise applySurfaceChangesTransaction will faill to skip surface
                 // placement for this window during this period, one or more frame will
                 // show up with wrong position or scale.
-                win.mWinAnimator.mAnimating = false;
-
+                if (win.mAnimatingExit) {
+                    win.mAnimatingExit = false;
+                    wallpaperMightChange = true;
+                }
+                if (win.mWinAnimator.mAnimating) {
+                    win.mWinAnimator.mAnimating = false;
+                    wallpaperMightChange = true;
+                }
                 if (win.mDestroying) {
                     win.mDestroying = false;
                     service.mDestroySurface.remove(win);
+                    wallpaperMightChange = true;
                 }
             }
         }
-        requestUpdateWallpaperIfNeeded();
+        if (wallpaperMightChange) {
+            requestUpdateWallpaperIfNeeded();
+        }
     }
 
     void destroySurfaces() {
diff --git a/services/core/java/com/android/server/wm/WallpaperController.java b/services/core/java/com/android/server/wm/WallpaperController.java
index e534525..2b66c3a 100644
--- a/services/core/java/com/android/server/wm/WallpaperController.java
+++ b/services/core/java/com/android/server/wm/WallpaperController.java
@@ -586,9 +586,14 @@
                     if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG,
                             "New i: " + wallpaperTargetIndex + " old i: " + oldI);
                     if (oldI >= 0) {
-                        if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG,
-                                "Animating wallpapers: old#" + oldI + "=" + oldW + "; new#"
-                                + wallpaperTargetIndex + "=" + wallpaperTarget);
+                        final boolean newTargetHidden =
+                                wallpaperTarget.mAppToken != null && wallpaperTarget.mAppToken.hiddenRequested;
+                        final boolean oldTargetHidden =
+                                oldW.mAppToken != null && oldW.mAppToken.hiddenRequested;
+                        if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG, "Animating wallpapers:"
+                                + " old#" + oldI + "=" + oldW + " hidden=" + oldTargetHidden
+                                + " new#" + wallpaperTargetIndex + "=" + wallpaperTarget
+                                + " hidden=" + newTargetHidden);
 
                         // Set the upper and lower wallpaper targets correctly,
                         // and make sure that we are positioning the wallpaper below the lower.
@@ -598,6 +603,7 @@
                                     "Found target above old target.");
                             mUpperWallpaperTarget = wallpaperTarget;
                             mLowerWallpaperTarget = oldW;
+
                             wallpaperTarget = oldW;
                             wallpaperTargetIndex = oldI;
                         } else {
@@ -607,15 +613,21 @@
                             mUpperWallpaperTarget = oldW;
                             mLowerWallpaperTarget = wallpaperTarget;
                         }
-
-                        // If the new target is going hidden, set it back to the old target.
-                        if (wallpaperTarget.mAppToken != null
-                                && wallpaperTarget.mAppToken.hiddenRequested) {
+                        if (newTargetHidden && !oldTargetHidden) {
                             if (DEBUG_WALLPAPER_LIGHT) Slog.v(TAG,
                                     "Old wallpaper still the target.");
+                            // Use the old target if new target is hidden but old target
+                            // is not. If they're both hidden, still use the new target.
                             mWallpaperTarget = oldW;
-                            wallpaperTarget = oldW;
-                            wallpaperTargetIndex = oldI;
+                        } else if (newTargetHidden == oldTargetHidden
+                                && !mService.mOpeningApps.contains(wallpaperTarget.mAppToken)
+                                    && (mService.mOpeningApps.contains(oldW.mAppToken)
+                                    || mService.mClosingApps.contains(oldW.mAppToken))) {
+                            // If they're both hidden (or both not hidden), prefer the one that's
+                            // currently in opening or closing app list, this allows transition
+                            // selection logic to better determine the wallpaper status of
+                            // opening/closing apps.
+                            mWallpaperTarget = oldW;
                         }
                     }
                 }
diff --git a/services/core/java/com/android/server/wm/WindowManagerService.java b/services/core/java/com/android/server/wm/WindowManagerService.java
index 24be362..f2f85bf 100644
--- a/services/core/java/com/android/server/wm/WindowManagerService.java
+++ b/services/core/java/com/android/server/wm/WindowManagerService.java
@@ -6774,6 +6774,20 @@
                     rotateSeamlessly = false;
                     break;
                 }
+                // In what can only be called an unfortunate workaround we require
+                // seamlessly rotated child windows to have the TRANSFORM_TO_DISPLAY_INVERSE
+                // flag. Due to limitations in the client API, there is no way for
+                // the client to set this flag in a race free fashion. If we seamlessly rotate
+                // a window which does not have this flag, but then gains it, we will get
+                // an incorrect visual result (rotated viewfinder). This means if we want to
+                // support seamlessly rotating windows which could gain this flag, we can't
+                // rotate windows without it. This limits seamless rotation in N to camera framework
+                // users, windows without children, and native code. This is unfortunate but
+                // having the camera work is our primary goal.
+                if (w.isChildWindow() & w.isVisibleNow() &&
+                        !w.mWinAnimator.mSurfaceController.getTransformToDisplayInverse()) {
+                    rotateSeamlessly = false;
+                }
             }
         }
 
diff --git a/services/retaildemo/java/com/android/server/retaildemo/PreloadAppsInstaller.java b/services/retaildemo/java/com/android/server/retaildemo/PreloadAppsInstaller.java
index daaa4f5..2038c9e 100644
--- a/services/retaildemo/java/com/android/server/retaildemo/PreloadAppsInstaller.java
+++ b/services/retaildemo/java/com/android/server/retaildemo/PreloadAppsInstaller.java
@@ -136,6 +136,10 @@
                         mApkToPackageMap.put(apkName, basePackageName);
                     }
                     installExistingPackage(basePackageName, userId, counter);
+                } else {
+                    Log.e(TAG, "Package " + basePackageName + " cannot be installed from "
+                            + apkName + ": " + msg + " (returnCode " + returnCode + ")");
+                    counter.appInstallFinished();
                 }
             }
         }.getBinder(), 0, SYSTEM_SERVER_PACKAGE_NAME, userId);
diff --git a/services/retaildemo/java/com/android/server/retaildemo/RetailDemoModeService.java b/services/retaildemo/java/com/android/server/retaildemo/RetailDemoModeService.java
index 7525e87..6b273210 100644
--- a/services/retaildemo/java/com/android/server/retaildemo/RetailDemoModeService.java
+++ b/services/retaildemo/java/com/android/server/retaildemo/RetailDemoModeService.java
@@ -89,8 +89,8 @@
 
     private static final long SCREEN_WAKEUP_DELAY = 2500;
     private static final long USER_INACTIVITY_TIMEOUT_MIN = 10000;
-    private static final long USER_INACTIVITY_TIMEOUT_DEFAULT = 30000;
-    private static final long WARNING_DIALOG_TIMEOUT_DEFAULT = 6000;
+    private static final long USER_INACTIVITY_TIMEOUT_DEFAULT = 90000;
+    private static final long WARNING_DIALOG_TIMEOUT_DEFAULT = 0;
     private static final long MILLIS_PER_SECOND = 1000;
 
     private static final int[] VOLUME_STREAMS_TO_MUTE = {
diff --git a/telecomm/java/android/telecom/RemoteConnectionService.java b/telecomm/java/android/telecom/RemoteConnectionService.java
index 306b3c1..c4739ff 100644
--- a/telecomm/java/android/telecom/RemoteConnectionService.java
+++ b/telecomm/java/android/telecom/RemoteConnectionService.java
@@ -224,6 +224,7 @@
 
             conference.setState(parcel.getState());
             conference.setConnectionCapabilities(parcel.getConnectionCapabilities());
+            conference.setConnectionProperties(parcel.getConnectionProperties());
             mConferenceById.put(callId, conference);
             conference.registerCallback(new RemoteConference.Callback() {
                 @Override
diff --git a/telephony/java/android/telephony/CarrierConfigManager.java b/telephony/java/android/telephony/CarrierConfigManager.java
index a171d9d..b0d4acd 100644
--- a/telephony/java/android/telephony/CarrierConfigManager.java
+++ b/telephony/java/android/telephony/CarrierConfigManager.java
@@ -246,6 +246,14 @@
     public static final String KEY_CARRIER_VT_AVAILABLE_BOOL = "carrier_vt_available_bool";
 
     /**
+     * Flag specifying whether the carrier supports downgrading a video call (tx, rx or tx/rx)
+     * directly to an audio call.
+     * @hide
+     */
+    public static final String KEY_SUPPORT_DOWNGRADE_VT_TO_AUDIO_BOOL =
+            "support_downgrade_vt_to_audio_bool";
+
+    /**
      * Flag specifying whether WFC over IMS should be available for carrier: independent of
      * carrier provisioning. If false: hard disabled. If true: then depends on carrier
      * provisioning, availability etc.
@@ -927,6 +935,7 @@
         sDefaults.putBoolean(KEY_CARRIER_SETTINGS_ENABLE_BOOL, false);
         sDefaults.putBoolean(KEY_CARRIER_VOLTE_AVAILABLE_BOOL, false);
         sDefaults.putBoolean(KEY_CARRIER_VT_AVAILABLE_BOOL, false);
+        sDefaults.putBoolean(KEY_SUPPORT_DOWNGRADE_VT_TO_AUDIO_BOOL, true);
         sDefaults.putBoolean(KEY_CARRIER_WFC_IMS_AVAILABLE_BOOL, false);
         sDefaults.putBoolean(KEY_CARRIER_WFC_SUPPORTS_WIFI_ONLY_BOOL, false);
         sDefaults.putBoolean(KEY_CARRIER_DEFAULT_WFC_IMS_ENABLED_BOOL, false);
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 759ea1d..013efe7 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -716,6 +716,28 @@
             "android.telephony.event.EVENT_HANDOVER_TO_WIFI_FAILED";
 
     /**
+     * {@link android.telecom.Connection} event used to indicate that a video call was downgraded to
+     * audio because the data limit was reached.
+     * <p>
+     * Sent via {@link android.telecom.Connection#sendConnectionEvent(String, Bundle)}.
+     * The {@link Bundle} parameter is expected to be null when this connection event is used.
+     * @hide
+     */
+    public static final String EVENT_DOWNGRADE_DATA_LIMIT_REACHED =
+            "android.telephony.event.EVENT_DOWNGRADE_DATA_LIMIT_REACHED";
+
+    /**
+     * {@link android.telecom.Connection} event used to indicate that a video call was downgraded to
+     * audio because the data was disabled.
+     * <p>
+     * Sent via {@link android.telecom.Connection#sendConnectionEvent(String, Bundle)}.
+     * The {@link Bundle} parameter is expected to be null when this connection event is used.
+     * @hide
+     */
+    public static final String EVENT_DOWNGRADE_DATA_DISABLED =
+            "android.telephony.event.EVENT_DOWNGRADE_DATA_DISABLED";
+
+    /**
      * Response codes for sim activation. Activation completed successfully.
      * @hide
      */
diff --git a/tools/aapt/Resource.cpp b/tools/aapt/Resource.cpp
index a7878d1..5f91f17 100644
--- a/tools/aapt/Resource.cpp
+++ b/tools/aapt/Resource.cpp
@@ -1033,7 +1033,6 @@
         return NO_ERROR;
     }
 
-    ResXMLTree tree;
     Asset* asset = assets.openNonAsset(cookie, "AndroidManifest.xml", Asset::ACCESS_STREAMING);
     if (asset == NULL) {
         fprintf(stderr, "ERROR: Platform AndroidManifest.xml not found\n");
@@ -1041,11 +1040,17 @@
     }
 
     ssize_t result = NO_ERROR;
-    if (tree.setTo(asset->getBuffer(true), asset->getLength()) != NO_ERROR) {
-        fprintf(stderr, "ERROR: Platform AndroidManifest.xml is corrupt\n");
-        result = UNKNOWN_ERROR;
-    } else {
-        result = extractPlatformBuildVersion(tree, bundle);
+
+    // Create a new scope so that ResXMLTree is destroyed before we delete the memory over
+    // which it iterates (asset).
+    {
+        ResXMLTree tree;
+        if (tree.setTo(asset->getBuffer(true), asset->getLength()) != NO_ERROR) {
+            fprintf(stderr, "ERROR: Platform AndroidManifest.xml is corrupt\n");
+            result = UNKNOWN_ERROR;
+        } else {
+            result = extractPlatformBuildVersion(tree, bundle);
+        }
     }
 
     delete asset;