Merge "[Multi-user] Decouple UserBMS and BMS creation"
diff --git a/api/current.txt b/api/current.txt
index d60c1cc..38bf3ab 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -11565,18 +11565,19 @@
     field public static final java.lang.String FEATURE_DEVICE_ADMIN = "android.software.device_admin";
     field public static final java.lang.String FEATURE_EMBEDDED = "android.hardware.type.embedded";
     field public static final java.lang.String FEATURE_ETHERNET = "android.hardware.ethernet";
-    field public static final java.lang.String FEATURE_FACE = "android.hardware.face";
+    field public static final java.lang.String FEATURE_FACE = "android.hardware.biometrics.face";
     field public static final java.lang.String FEATURE_FAKETOUCH = "android.hardware.faketouch";
     field public static final java.lang.String FEATURE_FAKETOUCH_MULTITOUCH_DISTINCT = "android.hardware.faketouch.multitouch.distinct";
     field public static final java.lang.String FEATURE_FAKETOUCH_MULTITOUCH_JAZZHAND = "android.hardware.faketouch.multitouch.jazzhand";
-    field public static final java.lang.String FEATURE_FINGERPRINT = "android.hardware.fingerprint";
+    field public static final java.lang.String FEATURE_FINGERPRINT = "android.hardware.biometrics.fingerprint";
+    field public static final java.lang.String FEATURE_FINGERPRINT_PRE_29 = "android.hardware.fingerprint";
     field public static final java.lang.String FEATURE_FREEFORM_WINDOW_MANAGEMENT = "android.software.freeform_window_management";
     field public static final java.lang.String FEATURE_GAMEPAD = "android.hardware.gamepad";
     field public static final java.lang.String FEATURE_HIFI_SENSORS = "android.hardware.sensor.hifi_sensors";
     field public static final java.lang.String FEATURE_HOME_SCREEN = "android.software.home_screen";
     field public static final java.lang.String FEATURE_INPUT_METHODS = "android.software.input_methods";
     field public static final java.lang.String FEATURE_IPSEC_TUNNELS = "android.software.ipsec_tunnels";
-    field public static final java.lang.String FEATURE_IRIS = "android.hardware.iris";
+    field public static final java.lang.String FEATURE_IRIS = "android.hardware.biometrics.iris";
     field public static final java.lang.String FEATURE_LEANBACK = "android.software.leanback";
     field public static final java.lang.String FEATURE_LEANBACK_ONLY = "android.software.leanback_only";
     field public static final java.lang.String FEATURE_LIVE_TV = "android.software.live_tv";
@@ -14861,6 +14862,7 @@
     method public int getAmbientShadowColor();
     method public int getBottom();
     method public float getCameraDistance();
+    method public boolean getClipToBounds();
     method public boolean getClipToOutline();
     method public float getElevation();
     method public int getHeight();
@@ -14881,6 +14883,7 @@
     method public float getTranslationY();
     method public float getTranslationZ();
     method public long getUniqueId();
+    method public boolean getUseCompositingLayer();
     method public int getWidth();
     method public boolean hasDisplayList();
     method public boolean hasIdentityMatrix();
@@ -25308,24 +25311,24 @@
     method public java.lang.Object clearNextDataSources();
     method public void clearPendingCommands();
     method public void close();
-    method public java.lang.Object deselectTrack(int);
+    method public java.lang.Object deselectTrack(android.media.DataSourceDesc, int);
     method public android.media.AudioAttributes getAudioAttributes();
     method public int getAudioSessionId();
-    method public long getBufferedPosition();
+    method public long getBufferedPosition(android.media.DataSourceDesc);
     method public android.media.DataSourceDesc getCurrentDataSource();
     method public long getCurrentPosition();
-    method public long getDuration();
+    method public long getDuration(android.media.DataSourceDesc);
     method public float getMaxPlayerVolume();
     method public android.os.PersistableBundle getMetrics();
     method public android.media.PlaybackParams getPlaybackParams();
     method public float getPlayerVolume();
     method public android.media.AudioDeviceInfo getPreferredDevice();
     method public android.media.AudioDeviceInfo getRoutedDevice();
-    method public int getSelectedTrack(int);
+    method public int getSelectedTrack(android.media.DataSourceDesc, int);
     method public int getState();
     method public android.media.SyncParams getSyncParams();
     method public android.media.MediaTimestamp getTimestamp();
-    method public java.util.List<android.media.MediaPlayer2.TrackInfo> getTrackInfo();
+    method public java.util.List<android.media.MediaPlayer2.TrackInfo> getTrackInfo(android.media.DataSourceDesc);
     method public android.media.VideoSize getVideoSize();
     method public boolean isLooping();
     method public java.lang.Object loopCurrent(boolean);
@@ -25338,7 +25341,7 @@
     method public void reset();
     method public java.lang.Object seekTo(long);
     method public java.lang.Object seekTo(long, int);
-    method public java.lang.Object selectTrack(int);
+    method public java.lang.Object selectTrack(android.media.DataSourceDesc, int);
     method public java.lang.Object setAudioAttributes(android.media.AudioAttributes);
     method public java.lang.Object setAudioSessionId(int);
     method public java.lang.Object setAuxEffectSendLevel(float);
@@ -41482,6 +41485,7 @@
     method protected void dump(java.lang.String, java.io.FileDescriptor, java.io.PrintWriter, java.lang.String[]);
     method public int getDesiredMinimumHeight();
     method public int getDesiredMinimumWidth();
+    method public android.content.Context getDisplayContext();
     method public android.view.SurfaceHolder getSurfaceHolder();
     method public boolean isPreview();
     method public boolean isVisible();
@@ -46941,7 +46945,7 @@
     ctor public deprecated Scene(android.view.ViewGroup, android.view.ViewGroup);
     method public void enter();
     method public void exit();
-    method public static android.transition.Scene getCurrentScene(android.view.View);
+    method public static android.transition.Scene getCurrentScene(android.view.ViewGroup);
     method public static android.transition.Scene getSceneForLayout(android.view.ViewGroup, int, android.content.Context);
     method public android.view.ViewGroup getSceneRoot();
     method public void setEnterAction(java.lang.Runnable);
diff --git a/api/system-current.txt b/api/system-current.txt
index a83c32d..7d10b098 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -3713,6 +3713,7 @@
     method public boolean isWifiScannerSupported();
     method public void registerNetworkRequestMatchCallback(android.net.wifi.WifiManager.NetworkRequestMatchCallback, android.os.Handler);
     method public void save(android.net.wifi.WifiConfiguration, android.net.wifi.WifiManager.ActionListener);
+    method public void setDeviceMobilityState(int);
     method public boolean setWifiApConfiguration(android.net.wifi.WifiConfiguration);
     method public boolean startScan(android.os.WorkSource);
     method public void unregisterNetworkRequestMatchCallback(android.net.wifi.WifiManager.NetworkRequestMatchCallback);
@@ -3720,6 +3721,10 @@
     field public static final int CHANGE_REASON_CONFIG_CHANGE = 2; // 0x2
     field public static final int CHANGE_REASON_REMOVED = 1; // 0x1
     field public static final java.lang.String CONFIGURED_NETWORKS_CHANGED_ACTION = "android.net.wifi.CONFIGURED_NETWORKS_CHANGE";
+    field public static final int DEVICE_MOBILITY_STATE_HIGH_MVMT = 1; // 0x1
+    field public static final int DEVICE_MOBILITY_STATE_LOW_MVMT = 2; // 0x2
+    field public static final int DEVICE_MOBILITY_STATE_STATIONARY = 3; // 0x3
+    field public static final int DEVICE_MOBILITY_STATE_UNKNOWN = 0; // 0x0
     field public static final java.lang.String EXTRA_CHANGE_REASON = "changeReason";
     field public static final java.lang.String EXTRA_MULTIPLE_NETWORKS_CHANGED = "multipleChanges";
     field public static final java.lang.String EXTRA_PREVIOUS_WIFI_AP_STATE = "previous_wifi_state";
@@ -5827,6 +5832,7 @@
   public class SubscriptionManager {
     method public java.util.List<android.telephony.SubscriptionInfo> getAvailableSubscriptionInfoList();
     method public void requestEmbeddedSubscriptionInfoListRefresh();
+    method public void requestEmbeddedSubscriptionInfoListRefresh(int);
     method public void setDefaultDataSubId(int);
     method public void setDefaultSmsSubId(int);
     field public static final android.net.Uri ADVANCED_CALLING_ENABLED_CONTENT_URI;
diff --git a/api/test-current.txt b/api/test-current.txt
index d534501..46e7683 100644
--- a/api/test-current.txt
+++ b/api/test-current.txt
@@ -655,11 +655,6 @@
     method public android.media.BufferingParams.Builder setResumePlaybackMarkMs(int);
   }
 
-  public class MediaPlayer implements android.media.AudioRouting android.media.VolumeAutomation {
-    method public android.media.BufferingParams getBufferingParams();
-    method public void setBufferingParams(android.media.BufferingParams);
-  }
-
   public final class PlaybackParams implements android.os.Parcelable {
     method public int getAudioStretchMode();
     method public android.media.PlaybackParams setAudioStretchMode(int);
diff --git a/cmds/statsd/src/atoms.proto b/cmds/statsd/src/atoms.proto
index 5df47cd..5899e0cf 100644
--- a/cmds/statsd/src/atoms.proto
+++ b/cmds/statsd/src/atoms.proto
@@ -874,6 +874,7 @@
 
 /**
  * Logs when Wifi is toggled on/off.
+ * Note that Wifi may still perform certain functions (e.g. location scanning) even when disabled.
  *
  * Logged from:
  *   frameworks/base/services/core/java/com/android/server/am/BatteryStatsService.java
@@ -888,7 +889,8 @@
 
 /**
  * Logs when an app causes Wifi to run. In this context, 'to run' means to use Wifi Client Mode.
- * TODO: Include support for Hotspot.
+ * TODO: Include support for Hotspot, perhaps by using an extra field to denote 'mode'.
+ * Note that Wifi Scanning is monitored separately in WifiScanStateChanged.
  *
  * Logged from:
  *   frameworks/base/services/core/java/com/android/server/am/BatteryStatsService.java
diff --git a/cmds/statsd/src/config/ConfigManager.cpp b/cmds/statsd/src/config/ConfigManager.cpp
index 16b7e79..5fea90b 100644
--- a/cmds/statsd/src/config/ConfigManager.cpp
+++ b/cmds/statsd/src/config/ConfigManager.cpp
@@ -106,14 +106,14 @@
         // Add to set.
         mConfigs[key.GetUid()].insert(key);
 
-        for (sp<ConfigListener> listener : mListeners) {
+        for (const sp<ConfigListener>& listener : mListeners) {
             broadcastList.push_back(listener);
         }
     }
 
     const int64_t timestampNs = getElapsedRealtimeNs();
     // Tell everyone
-    for (sp<ConfigListener> listener : broadcastList) {
+    for (const sp<ConfigListener>& listener : broadcastList) {
         listener->OnConfigUpdated(timestampNs, key, config);
     }
 }
@@ -137,7 +137,7 @@
         if (uidIt != mConfigs.end() && uidIt->second.find(key) != uidIt->second.end()) {
             // Remove from map
             uidIt->second.erase(key);
-            for (sp<ConfigListener> listener : mListeners) {
+            for (const sp<ConfigListener>& listener : mListeners) {
                 broadcastList.push_back(listener);
             }
         }
@@ -153,7 +153,7 @@
         remove_saved_configs(key);
     }
 
-    for (sp<ConfigListener> listener:broadcastList) {
+    for (const sp<ConfigListener>& listener:broadcastList) {
         listener->OnConfigRemoved(key);
     }
 }
@@ -183,7 +183,7 @@
 
         mConfigs.erase(uidIt);
 
-        for (sp<ConfigListener> listener : mListeners) {
+        for (const sp<ConfigListener>& listener : mListeners) {
             broadcastList.push_back(listener);
         }
     }
@@ -191,7 +191,7 @@
     // Remove separately so if they do anything in the callback they can't mess up our iteration.
     for (auto& key : removed) {
         // Tell everyone
-        for (sp<ConfigListener> listener:broadcastList) {
+        for (const sp<ConfigListener>& listener:broadcastList) {
             listener->OnConfigRemoved(key);
         }
     }
@@ -213,7 +213,7 @@
         }
 
         mConfigReceivers.clear();
-        for (sp<ConfigListener> listener : mListeners) {
+        for (const sp<ConfigListener>& listener : mListeners) {
             broadcastList.push_back(listener);
         }
     }
@@ -221,7 +221,7 @@
     // Remove separately so if they do anything in the callback they can't mess up our iteration.
     for (auto& key : removed) {
         // Tell everyone
-        for (sp<ConfigListener> listener:broadcastList) {
+        for (const sp<ConfigListener>& listener:broadcastList) {
             listener->OnConfigRemoved(key);
         }
     }
diff --git a/cmds/statsd/src/external/SubsystemSleepStatePuller.cpp b/cmds/statsd/src/external/SubsystemSleepStatePuller.cpp
index c8c3920..d822959 100644
--- a/cmds/statsd/src/external/SubsystemSleepStatePuller.cpp
+++ b/cmds/statsd/src/external/SubsystemSleepStatePuller.cpp
@@ -281,7 +281,7 @@
                              (long long)state.residencyInMsecSinceBoot,
                              (long long)state.totalTransitions,
                              state.supportedOnlyInSuspend ? 1 : 0);
-                        for (auto voter : state.voters) {
+                        for (const auto& voter : state.voters) {
                             auto voterPtr = make_shared<LogEvent>(
                                 android::util::SUBSYSTEM_SLEEP_STATE,
                                 wallClockTimestampNs, elapsedTimestampNs);
diff --git a/cmds/statsd/src/metrics/MetricsManager.cpp b/cmds/statsd/src/metrics/MetricsManager.cpp
index ac34f47..dd969c0 100644
--- a/cmds/statsd/src/metrics/MetricsManager.cpp
+++ b/cmds/statsd/src/metrics/MetricsManager.cpp
@@ -412,7 +412,7 @@
 // Returns the total byte size of all metrics managed by a single config source.
 size_t MetricsManager::byteSize() {
     size_t totalSize = 0;
-    for (auto metricProducer : mAllMetricProducers) {
+    for (const auto& metricProducer : mAllMetricProducers) {
         totalSize += metricProducer->byteSize();
     }
     return totalSize;
diff --git a/cmds/statsd/src/metrics/metrics_manager_util.cpp b/cmds/statsd/src/metrics/metrics_manager_util.cpp
index b317361..180a1ae 100644
--- a/cmds/statsd/src/metrics/metrics_manager_util.cpp
+++ b/cmds/statsd/src/metrics/metrics_manager_util.cpp
@@ -598,7 +598,7 @@
         }
         noReportMetricIds.insert(no_report_metric);
     }
-    for (auto it : allMetricProducers) {
+    for (const auto& it : allMetricProducers) {
         uidMap.addListener(it);
     }
     return true;
diff --git a/cmds/statsd/src/packages/UidMap.cpp b/cmds/statsd/src/packages/UidMap.cpp
index 59f3f04..e9c43cd 100644
--- a/cmds/statsd/src/packages/UidMap.cpp
+++ b/cmds/statsd/src/packages/UidMap.cpp
@@ -152,7 +152,7 @@
     // listener removes itself before we call it. It's then the listener's job to handle it (expect
     // the callback to be called after listener is removed, and the listener should properly
     // ignore it).
-    for (auto weakPtr : broadcastList) {
+    for (const auto& weakPtr : broadcastList) {
         auto strongPtr = weakPtr.promote();
         if (strongPtr != NULL) {
             strongPtr->onUidMapReceived(timestamp);
@@ -200,7 +200,7 @@
         StatsdStats::getInstance().setUidMapChanges(mChanges.size());
     }
 
-    for (auto weakPtr : broadcastList) {
+    for (const auto& weakPtr : broadcastList) {
         auto strongPtr = weakPtr.promote();
         if (strongPtr != NULL) {
             strongPtr->notifyAppUpgrade(timestamp, appName, uid, versionCode);
@@ -269,7 +269,7 @@
         getListenerListCopyLocked(&broadcastList);
     }
 
-    for (auto weakPtr : broadcastList) {
+    for (const auto& weakPtr : broadcastList) {
         auto strongPtr = weakPtr.promote();
         if (strongPtr != NULL) {
             strongPtr->notifyAppRemoved(timestamp, app, uid);
diff --git a/cmds/statsd/tests/anomaly/AnomalyTracker_test.cpp b/cmds/statsd/tests/anomaly/AnomalyTracker_test.cpp
index 79bed52..960fbda 100644
--- a/cmds/statsd/tests/anomaly/AnomalyTracker_test.cpp
+++ b/cmds/statsd/tests/anomaly/AnomalyTracker_test.cpp
@@ -71,12 +71,12 @@
                          const std::shared_ptr<DimToValMap>& currentBucket,
                          const std::set<const MetricDimensionKey>& trueList,
                          const std::set<const MetricDimensionKey>& falseList) {
-    for (MetricDimensionKey key : trueList) {
+    for (const MetricDimensionKey& key : trueList) {
         if (!tracker.detectAnomaly(bucketNum, key, getBucketValue(currentBucket, key))) {
             return false;
         }
     }
-    for (MetricDimensionKey key : falseList) {
+    for (const MetricDimensionKey& key : falseList) {
         if (tracker.detectAnomaly(bucketNum, key, getBucketValue(currentBucket, key))) {
             return false;
         }
diff --git a/core/java/android/app/ApplicationPackageManager.java b/core/java/android/app/ApplicationPackageManager.java
index 2b81c86..17529a6 100644
--- a/core/java/android/app/ApplicationPackageManager.java
+++ b/core/java/android/app/ApplicationPackageManager.java
@@ -794,12 +794,25 @@
 
     @Override
     public List<ModuleInfo> getInstalledModules(int flags) {
-        return null;
+        try {
+            return mPM.getInstalledModules(flags);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
     }
 
     @Override
     public ModuleInfo getModuleInfo(String packageName, int flags) throws NameNotFoundException {
-        return null;
+        try {
+            ModuleInfo mi = mPM.getModuleInfo(packageName, flags);
+            if (mi != null) {
+                return mi;
+            }
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+
+        throw new NameNotFoundException("No module info for package: " + packageName);
     }
 
     @SuppressWarnings("unchecked")
@@ -3002,7 +3015,6 @@
         }
     }
 
-    @Override
     public void sendDeviceCustomizationReadyBroadcast() {
         try {
             mPM.sendDeviceCustomizationReadyBroadcast();
diff --git a/core/java/android/content/pm/IPackageManager.aidl b/core/java/android/content/pm/IPackageManager.aidl
index eea2b88..a4ea513 100644
--- a/core/java/android/content/pm/IPackageManager.aidl
+++ b/core/java/android/content/pm/IPackageManager.aidl
@@ -36,6 +36,7 @@
 import android.content.pm.IntentFilterVerificationInfo;
 import android.content.pm.InstrumentationInfo;
 import android.content.pm.KeySet;
+import android.content.pm.ModuleInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.ParceledListSlice;
 import android.content.pm.ProviderInfo;
@@ -680,4 +681,8 @@
     boolean isPackageStateProtected(String packageName, int userId);
 
     void sendDeviceCustomizationReadyBroadcast();
+
+    List<ModuleInfo> getInstalledModules(int flags);
+
+    ModuleInfo getModuleInfo(String packageName, int flags);
 }
diff --git a/core/java/android/content/pm/ModuleInfo.aidl b/core/java/android/content/pm/ModuleInfo.aidl
new file mode 100644
index 0000000..cc13bf1
--- /dev/null
+++ b/core/java/android/content/pm/ModuleInfo.aidl
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2018, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.content.pm;
+
+parcelable ModuleInfo;
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index 566017b..9d604bb 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -2288,21 +2288,28 @@
      * {@link #hasSystemFeature}: The device has biometric hardware to detect a fingerprint.
      */
     @SdkConstant(SdkConstantType.FEATURE)
-    public static final String FEATURE_FINGERPRINT = "android.hardware.fingerprint";
+    public static final String FEATURE_FINGERPRINT_PRE_29 = "android.hardware.fingerprint";
+
+    /**
+     * Feature for {@link #getSystemAvailableFeatures} and
+     * {@link #hasSystemFeature}: The device has biometric hardware to detect a fingerprint.
+     */
+    @SdkConstant(SdkConstantType.FEATURE)
+    public static final String FEATURE_FINGERPRINT = "android.hardware.biometrics.fingerprint";
 
     /**
      * Feature for {@link #getSystemAvailableFeatures} and
      * {@link #hasSystemFeature}: The device has biometric hardware to perform face authentication.
      */
     @SdkConstant(SdkConstantType.FEATURE)
-    public static final String FEATURE_FACE = "android.hardware.face";
+    public static final String FEATURE_FACE = "android.hardware.biometrics.face";
 
     /**
      * Feature for {@link #getSystemAvailableFeatures} and
      * {@link #hasSystemFeature}: The device has biometric hardware to perform iris authentication.
      */
     @SdkConstant(SdkConstantType.FEATURE)
-    public static final String FEATURE_IRIS = "android.hardware.iris";
+    public static final String FEATURE_IRIS = "android.hardware.biometrics.iris";
 
     /**
      * Feature for {@link #getSystemAvailableFeatures} and
diff --git a/core/java/android/net/INetdEventCallback.aidl b/core/java/android/net/INetdEventCallback.aidl
index 4b1a08d..0877a1a4 100644
--- a/core/java/android/net/INetdEventCallback.aidl
+++ b/core/java/android/net/INetdEventCallback.aidl
@@ -45,6 +45,20 @@
             in String[] ipAddresses, int ipAddressesCount, long timestamp, int uid);
 
     /**
+     * Represents adding or removing a NAT64 prefix.
+     * This method must not block or perform long-running operations.
+     *
+     * @param netId the ID of the network the prefix was performed on.
+     * @param added true if the NAT64 prefix was added, or false if the NAT64 prefix was removed.
+     *        There is only one prefix at a time for each netId. If a prefix is added, it replaces
+     *        the previous-added prefix.
+     * @param prefixString the detected NAT64 prefix as a string literal.
+     * @param prefixLength the prefix length associated with this NAT64 prefix.
+     */
+    void onNat64PrefixEvent(int netId, boolean added, @utf8InCpp String prefixString,
+            int prefixLength);
+
+    /**
      * Represents a private DNS validation success or failure.
      * This method must not block or perform long-running operations.
      *
diff --git a/core/java/android/os/FileUtils.java b/core/java/android/os/FileUtils.java
index 428d9e1..e84a518 100644
--- a/core/java/android/os/FileUtils.java
+++ b/core/java/android/os/FileUtils.java
@@ -23,6 +23,7 @@
 import static android.os.ParcelFileDescriptor.MODE_TRUNCATE;
 import static android.os.ParcelFileDescriptor.MODE_WRITE_ONLY;
 import static android.system.OsConstants.F_OK;
+import static android.system.OsConstants.O_ACCMODE;
 import static android.system.OsConstants.O_APPEND;
 import static android.system.OsConstants.O_CREAT;
 import static android.system.OsConstants.O_RDONLY;
@@ -1259,11 +1260,11 @@
 
         int res = 0;
         if (mode.startsWith("rw")) {
-            res |= O_RDWR | O_CREAT;
+            res = O_RDWR | O_CREAT;
         } else if (mode.startsWith("w")) {
-            res |= O_WRONLY | O_CREAT;
+            res = O_WRONLY | O_CREAT;
         } else if (mode.startsWith("r")) {
-            res |= O_RDONLY;
+            res = O_RDONLY;
         } else {
             throw new IllegalArgumentException("Bad mode: " + mode);
         }
@@ -1279,12 +1280,12 @@
     /** {@hide} */
     public static String translateModePosixToString(int mode) {
         String res = "";
-        if ((mode & O_RDWR) == O_RDWR) {
-            res += "rw";
-        } else if ((mode & O_WRONLY) == O_WRONLY) {
-            res += "w";
-        } else if ((mode & O_RDONLY) == O_RDONLY) {
-            res += "r";
+        if ((mode & O_ACCMODE) == O_RDWR) {
+            res = "rw";
+        } else if ((mode & O_ACCMODE) == O_WRONLY) {
+            res = "w";
+        } else if ((mode & O_ACCMODE) == O_RDONLY) {
+            res = "r";
         } else {
             throw new IllegalArgumentException("Bad mode: " + mode);
         }
@@ -1300,12 +1301,12 @@
     /** {@hide} */
     public static int translateModePosixToPfd(int mode) {
         int res = 0;
-        if ((mode & O_RDWR) == O_RDWR) {
-            res |= MODE_READ_WRITE;
-        } else if ((mode & O_WRONLY) == O_WRONLY) {
-            res |= MODE_WRITE_ONLY;
-        } else if ((mode & O_RDONLY) == O_RDONLY) {
-            res |= MODE_READ_ONLY;
+        if ((mode & O_ACCMODE) == O_RDWR) {
+            res = MODE_READ_WRITE;
+        } else if ((mode & O_ACCMODE) == O_WRONLY) {
+            res = MODE_WRITE_ONLY;
+        } else if ((mode & O_ACCMODE) == O_RDONLY) {
+            res = MODE_READ_ONLY;
         } else {
             throw new IllegalArgumentException("Bad mode: " + mode);
         }
@@ -1325,11 +1326,11 @@
     public static int translateModePfdToPosix(int mode) {
         int res = 0;
         if ((mode & MODE_READ_WRITE) == MODE_READ_WRITE) {
-            res |= O_RDWR;
+            res = O_RDWR;
         } else if ((mode & MODE_WRITE_ONLY) == MODE_WRITE_ONLY) {
-            res |= O_WRONLY;
+            res = O_WRONLY;
         } else if ((mode & MODE_READ_ONLY) == MODE_READ_ONLY) {
-            res |= O_RDONLY;
+            res = O_RDONLY;
         } else {
             throw new IllegalArgumentException("Bad mode: " + mode);
         }
@@ -1428,4 +1429,3 @@
         }
     }
 }
-
diff --git a/core/java/android/service/wallpaper/WallpaperService.java b/core/java/android/service/wallpaper/WallpaperService.java
index a095b0d..f295b70 100644
--- a/core/java/android/service/wallpaper/WallpaperService.java
+++ b/core/java/android/service/wallpaper/WallpaperService.java
@@ -25,6 +25,7 @@
 import android.app.WallpaperColors;
 import android.app.WallpaperInfo;
 import android.app.WallpaperManager;
+import android.content.Context;
 import android.content.Intent;
 import android.content.res.TypedArray;
 import android.graphics.Bitmap;
@@ -52,12 +53,12 @@
 import android.view.InputDevice;
 import android.view.InputEvent;
 import android.view.InputEventReceiver;
+import android.view.InsetsState;
 import android.view.MotionEvent;
 import android.view.SurfaceHolder;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.WindowInsets;
-import android.view.InsetsState;
 import android.view.WindowManager;
 import android.view.WindowManagerGlobal;
 
@@ -211,7 +212,8 @@
         private final Supplier<Long> mClockFunction;
         private final Handler mHandler;
 
-        Display mDisplay;
+        private Display mDisplay;
+        private Context mDisplayContext;
         private int mDisplayState;
 
         final BaseSurfaceHolder mSurfaceHolder = new BaseSurfaceHolder() {
@@ -1038,6 +1040,7 @@
             mIWallpaperEngine.mDisplayManager.registerDisplayListener(mDisplayListener,
                     mCaller.getHandler());
             mDisplay = mIWallpaperEngine.mDisplay;
+            mDisplayContext = createDisplayContext(mDisplay);
             mDisplayState = mDisplay.getState();
 
             if (DEBUG) Log.v(TAG, "onCreate(): " + this);
@@ -1050,6 +1053,18 @@
         }
 
         /**
+         * The {@link Context} with resources that match the current display the wallpaper is on.
+         * For multiple display environment, multiple engines can be created to render on each
+         * display, but these displays may have different densities. Use this context to get the
+         * corresponding resources for currently display, avoiding the context of the service.
+         *
+         * @return A {@link Context} for current display.
+         */
+        public Context getDisplayContext() {
+            return mDisplayContext;
+        }
+
+        /**
          * Executes life cycle event and updates internal ambient mode state based on
          * message sent from handler.
          *
diff --git a/core/java/android/transition/Scene.java b/core/java/android/transition/Scene.java
index b1fc17a..8d4db54 100644
--- a/core/java/android/transition/Scene.java
+++ b/core/java/android/transition/Scene.java
@@ -96,7 +96,7 @@
      * the hierarchy specified by the layoutId resource file.
      *
      * <p>This method is hidden because layoutId-based scenes should be
-     * created by the caching factory method {@link Scene#getCurrentScene(View)}.</p>
+     * created by the caching factory method {@link Scene#getCurrentScene(ViewGroup)}.</p>
      *
      * @param sceneRoot The root of the hierarchy in which scene changes
      * and transitions will take place.
@@ -194,28 +194,28 @@
     }
 
     /**
-     * Set the scene that the given view is in. The current scene is set only
-     * on the root view of a scene, not for every view in that hierarchy. This
+     * Set the scene that the given ViewGroup is in. The current scene is set only
+     * on the root ViewGroup of a scene, not for every view in that hierarchy. This
      * information is used by Scene to determine whether there is a previous
      * scene which should be exited before the new scene is entered.
      *
-     * @param sceneRoot The view on which the current scene is being set
+     * @param sceneRoot The ViewGroup on which the current scene is being set
      */
     @UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.P)
-    static void setCurrentScene(@NonNull View sceneRoot, @Nullable Scene scene) {
+    static void setCurrentScene(@NonNull ViewGroup sceneRoot, @Nullable Scene scene) {
         sceneRoot.setTagInternal(com.android.internal.R.id.current_scene, scene);
     }
 
     /**
-     * Gets the current {@link Scene} set on the given view. A scene is set on a view
-     * only if that view is the scene root.
+     * Gets the current {@link Scene} set on the given ViewGroup. A scene is set on a ViewGroup
+     * only if that ViewGroup is the scene root.
      *
-     * @param sceneRoot The view on which the current scene will be returned
-     * @return The current Scene set on this view. A value of null indicates that
+     * @param sceneRoot The ViewGroup on which the current scene will be returned
+     * @return The current Scene set on this ViewGroup. A value of null indicates that
      * no Scene is currently set.
      */
     @Nullable
-    public static Scene getCurrentScene(@NonNull View sceneRoot) {
+    public static Scene getCurrentScene(@NonNull ViewGroup sceneRoot) {
         return (Scene) sceneRoot.getTag(com.android.internal.R.id.current_scene);
     }
 
diff --git a/core/java/android/util/FeatureFlagUtils.java b/core/java/android/util/FeatureFlagUtils.java
index ade7577..8b97e0e 100644
--- a/core/java/android/util/FeatureFlagUtils.java
+++ b/core/java/android/util/FeatureFlagUtils.java
@@ -46,6 +46,7 @@
         DEFAULT_FLAGS.put("settings_mobile_network_v2", "true");
         DEFAULT_FLAGS.put("settings_network_and_internet_v2", "false");
         DEFAULT_FLAGS.put("settings_seamless_transfer", "false");
+        DEFAULT_FLAGS.put("settings_slice_injection", "false");
         DEFAULT_FLAGS.put("settings_systemui_theme", "true");
         DEFAULT_FLAGS.put("settings_wifi_dpp", "false");
         DEFAULT_FLAGS.put("settings_wifi_mac_randomization", "false");
diff --git a/core/java/android/view/autofill/AutofillManager.java b/core/java/android/view/autofill/AutofillManager.java
index 9227249..699b34a 100644
--- a/core/java/android/view/autofill/AutofillManager.java
+++ b/core/java/android/view/autofill/AutofillManager.java
@@ -1471,8 +1471,8 @@
     // Note: don't need to use locked suffix because mContext is final.
     private AutofillClient getClient() {
         final AutofillClient client = mContext.getAutofillClient();
-        if (client == null && sDebug) {
-            Log.d(TAG, "No AutofillClient for " + mContext.getPackageName() + " on context "
+        if (client == null && sVerbose) {
+            Log.v(TAG, "No AutofillClient for " + mContext.getPackageName() + " on context "
                     + mContext);
         }
         return client;
diff --git a/core/java/com/android/server/net/BaseNetdEventCallback.java b/core/java/com/android/server/net/BaseNetdEventCallback.java
index 97247aa..a65214a 100644
--- a/core/java/com/android/server/net/BaseNetdEventCallback.java
+++ b/core/java/com/android/server/net/BaseNetdEventCallback.java
@@ -32,6 +32,12 @@
     }
 
     @Override
+    public void onNat64PrefixEvent(int netId, boolean added, String prefixString,
+            int prefixLength) {
+        // default no-op
+    }
+
+    @Override
     public void onPrivateDnsValidationEvent(int netId, String ipAddress,
             String hostname, boolean validated) {
         // default no-op
diff --git a/core/jni/android_view_RenderNode.cpp b/core/jni/android_view_RenderNode.cpp
index 752624b..0d75de9 100644
--- a/core/jni/android_view_RenderNode.cpp
+++ b/core/jni/android_view_RenderNode.cpp
@@ -338,6 +338,11 @@
     return renderNode->stagingProperties().hasOverlappingRendering();
 }
 
+static jboolean android_view_RenderNode_getClipToBounds(jlong renderNodePtr) {
+    RenderNode* renderNode = reinterpret_cast<RenderNode*>(renderNodePtr);
+    return renderNode->stagingProperties().getClipToBounds();
+}
+
 static jboolean android_view_RenderNode_getClipToOutline(jlong renderNodePtr) {
     RenderNode* renderNode = reinterpret_cast<RenderNode*>(renderNodePtr);
     return renderNode->stagingProperties().getOutline().getShouldClip();
@@ -409,6 +414,11 @@
     return !renderNode->stagingProperties().hasTransformMatrix();
 }
 
+static jint android_view_RenderNode_getLayerType(jlong renderNodePtr) {
+    RenderNode* renderNode = reinterpret_cast<RenderNode*>(renderNodePtr);
+    return static_cast<int>(renderNode->stagingProperties().layerProperties().type());
+}
+
 // ----------------------------------------------------------------------------
 // RenderProperties - computed getters
 // ----------------------------------------------------------------------------
@@ -623,10 +633,12 @@
 // ----------------------------------------------------------------------------
     { "nIsValid",              "(J)Z",   (void*) android_view_RenderNode_isValid },
     { "nSetLayerType",         "(JI)Z",  (void*) android_view_RenderNode_setLayerType },
+    { "nGetLayerType",         "(J)I",   (void*) android_view_RenderNode_getLayerType },
     { "nSetLayerPaint",        "(JJ)Z",  (void*) android_view_RenderNode_setLayerPaint },
     { "nSetStaticMatrix",      "(JJ)Z",  (void*) android_view_RenderNode_setStaticMatrix },
     { "nSetAnimationMatrix",   "(JJ)Z",  (void*) android_view_RenderNode_setAnimationMatrix },
     { "nSetClipToBounds",      "(JZ)Z",  (void*) android_view_RenderNode_setClipToBounds },
+    { "nGetClipToBounds",      "(J)Z",   (void*) android_view_RenderNode_getClipToBounds },
     { "nSetClipBounds",        "(JIIII)Z", (void*) android_view_RenderNode_setClipBounds },
     { "nSetClipBoundsEmpty",   "(J)Z",   (void*) android_view_RenderNode_setClipBoundsEmpty },
     { "nSetProjectBackwards",  "(JZ)Z",  (void*) android_view_RenderNode_setProjectBackwards },
diff --git a/core/jni/com_android_internal_os_Zygote.cpp b/core/jni/com_android_internal_os_Zygote.cpp
index 7032081..ff4591f 100644
--- a/core/jni/com_android_internal_os_Zygote.cpp
+++ b/core/jni/com_android_internal_os_Zygote.cpp
@@ -418,7 +418,7 @@
     }
     endmntent(fp);
 
-    for (auto path : toUnmount) {
+    for (const auto& path : toUnmount) {
         if (umount2(path.c_str(), MNT_DETACH)) {
             ALOGW("Failed to unmount %s: %s", path.c_str(), strerror(errno));
         }
diff --git a/core/res/AndroidManifest.xml b/core/res/AndroidManifest.xml
index 7fa3e66..cc8927f 100644
--- a/core/res/AndroidManifest.xml
+++ b/core/res/AndroidManifest.xml
@@ -1642,6 +1642,12 @@
     <permission android:name="android.permission.NETWORK_BYPASS_PRIVATE_DNS"
         android:protectionLevel="signature" />
 
+    <!-- #SystemApi @hide Allows device mobility state to be set so that Wifi scan interval can be increased
+         when the device is stationary in order to save power.
+         <p>Not for use by third-party applications. -->
+    <permission android:name="android.permission.WIFI_SET_DEVICE_MOBILITY_STATE"
+        android:protectionLevel="signature|privileged" />
+
     <!-- ======================================= -->
     <!-- Permissions for short range, peripheral networks -->
     <!-- ======================================= -->
diff --git a/core/res/res/values/colors_car.xml b/core/res/res/values/colors_car.xml
index ea7c009..f4aeff7 100644
--- a/core/res/res/values/colors_car.xml
+++ b/core/res/res/values/colors_car.xml
@@ -50,7 +50,7 @@
     <color name="car_headline4_dark">@android:color/black</color>
     <color name="car_headline4">@color/car_headline4_light</color>
 
-    <color name="car_body1_light">@color/car_grey_100</color>
+    <color name="car_body1_light">@color/car_grey_50</color>
     <color name="car_body1_dark">@color/car_grey_900</color>
     <color name="car_body1">@color/car_body1_light</color>
 
@@ -58,7 +58,7 @@
     <color name="car_body2_dark">@color/car_grey_700</color>
     <color name="car_body2">@color/car_body2_light</color>
 
-    <color name="car_body3_light">@android:color/white</color>
+    <color name="car_body3_light">@color/car_grey_400</color>
     <color name="car_body3_dark">@android:color/black</color>
     <color name="car_body3">@color/car_body3_light</color>
 
@@ -137,7 +137,7 @@
     <color name="car_toast_background">#E6282a2d</color>
 
     <!-- Misc colors -->
-    <color name="car_highlight_light">@color/car_teal_700</color>
+    <color name="car_highlight_light">@color/car_teal_200</color>
     <color name="car_highlight_dark">@color/car_teal_200</color>
     <color name="car_highlight">@color/car_highlight_dark</color>
     <color name="car_accent_light">@color/car_highlight_light</color>
@@ -148,6 +148,7 @@
     <color name="car_user_switcher_user_image_fgcolor">@color/car_grey_900</color>
 
     <!-- Color palette for cars -->
+    <color name="car_grey_972">#ff090A0C</color>
     <color name="car_grey_958">#ff0e1013</color>
     <color name="car_grey_928">#ff17181b</color>
     <color name="car_grey_900">#ff202124</color>
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 38caa36..dd0b1ee 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -1165,6 +1165,10 @@
     <!-- The default suggested battery % at which we enable battery saver automatically.  -->
     <integer name="config_lowBatteryAutoTriggerDefaultLevel">15</integer>
 
+    <!-- The app which will handle routine based automatic battery saver, if empty the UI for
+             routine based battery saver will be hidden -->
+    <string name="config_batterySaverScheduleProvider"></string>
+
     <!-- Close low battery warning when battery level reaches the lowBatteryWarningLevel
          plus this -->
     <integer name="config_lowBatteryCloseWarningBump">5</integer>
@@ -3640,4 +3644,6 @@
          (android.view.InputEventCompatProcessor). -->
     <string name="config_inputEventCompatProcessorOverrideClassName" translatable="false"></string>
 
+    <!-- Component name for the default module metadata provider on this device -->
+    <string name="config_defaultModuleMetadataProvider">com.android.modulemetadata</string>
 </resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index f959b44..87fdc1f 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -3463,6 +3463,7 @@
   <java-symbol type="integer" name="config_lowBatteryAutoTriggerDefaultLevel" />
   <java-symbol type="bool" name="config_batterySaverStickyBehaviourDisabled" />
   <java-symbol type="integer" name="config_dynamicPowerSavingsDefaultDisableThreshold" />
+  <java-symbol type="string" name="config_batterySaverScheduleProvider" />
 
   <!-- For car devices -->
   <java-symbol type="string" name="car_loading_profile" />
@@ -3519,4 +3520,6 @@
   <java-symbol type="dimen" name="rounded_corner_radius" />
   <java-symbol type="dimen" name="rounded_corner_radius_top" />
   <java-symbol type="dimen" name="rounded_corner_radius_bottom" />
+
+  <java-symbol type="string" name="config_defaultModuleMetadataProvider" />
 </resources>
diff --git a/core/tests/coretests/src/android/os/FileUtilsTest.java b/core/tests/coretests/src/android/os/FileUtilsTest.java
index 55e21a7..514ea0c 100644
--- a/core/tests/coretests/src/android/os/FileUtilsTest.java
+++ b/core/tests/coretests/src/android/os/FileUtilsTest.java
@@ -517,6 +517,28 @@
     }
 
     @Test
+    public void testMalformedTransate_int() throws Exception {
+        try {
+            // The non-standard Linux access mode 3 should throw
+            // an IllegalArgumentException.
+            translateModePosixToPfd(O_RDWR | O_WRONLY);
+            fail();
+        } catch (IllegalArgumentException expected) {
+        }
+    }
+
+    @Test
+    public void testMalformedTransate_string() throws Exception {
+        try {
+            // The non-standard Linux access mode 3 should throw
+            // an IllegalArgumentException.
+            translateModePosixToString(O_RDWR | O_WRONLY);
+            fail();
+        } catch (IllegalArgumentException expected) {
+        }
+    }
+
+    @Test
     public void testTranslateMode_Invalid() throws Exception {
         try {
             translateModeStringToPosix("rwx");
diff --git a/graphics/java/android/graphics/RenderNode.java b/graphics/java/android/graphics/RenderNode.java
index d6f08b9..3b1d44b 100644
--- a/graphics/java/android/graphics/RenderNode.java
+++ b/graphics/java/android/graphics/RenderNode.java
@@ -446,7 +446,21 @@
     }
 
     /**
-     * Sets the clip bounds of the RenderNode.
+     * Gets whether or not a compositing layer is forced to be used. The default & recommended
+     * is false, as it is typically faster to avoid using compositing layers.
+     * See {@link #setUseCompositingLayer(boolean, Paint)}.
+     *
+     * @return true if a compositing layer is forced, false otherwise
+     */
+    public boolean getUseCompositingLayer() {
+        return nGetLayerType(mNativeRenderNode) != 0;
+    }
+
+    /**
+     * Sets the clip bounds of the RenderNode. If null, the clip bounds is removed from the
+     * RenderNode. If non-null, the RenderNode will be clipped to this rect. If
+     * {@link #setClipToBounds(boolean)} is true, then the RenderNode will be clipped to the
+     * intersection of this rectangle and the bounds of the render node.
      *
      * @param rect the bounds to clip to. If null, the clip bounds are reset
      * @return True if the clip bounds changed, false otherwise
@@ -460,16 +474,30 @@
     }
 
     /**
-     * Set whether the Render node should clip itself to its bounds. This property is controlled by
-     * the view's parent.
+     * Set whether the Render node should clip itself to its bounds. This defaults to true,
+     * and is useful to the renderer in enable quick-rejection of chunks of the tree as well as
+     * better partial invalidation support. Clipping can be further restricted or controlled
+     * through the combination of this property as well as {@link #setClipBounds(Rect)}, which
+     * allows for a different clipping rectangle to be used in addition to or instead of the
+     * {@link #setLeftTopRightBottom(int, int, int, int)} or the RenderNode.
      *
-     * @param clipToBounds true if the display list should clip to its bounds
+     * @param clipToBounds true if the display list should clip to its bounds, false otherwise.
      */
     public boolean setClipToBounds(boolean clipToBounds) {
         return nSetClipToBounds(mNativeRenderNode, clipToBounds);
     }
 
     /**
+     * Returns whether or not the RenderNode is clipping to its bounds. See
+     * {@link #setClipToBounds(boolean)} and {@link #setLeftTopRightBottom(int, int, int, int)}
+     *
+     * @return true if the render node clips to its bounds, false otherwise.
+     */
+    public boolean getClipToBounds() {
+        return nGetClipToBounds(mNativeRenderNode);
+    }
+
+    /**
      * Sets whether the RenderNode should be drawn immediately after the
      * closest ancestor RenderNode containing a projection receiver.
      *
@@ -1339,12 +1367,18 @@
     private static native boolean nSetLayerType(long renderNode, int layerType);
 
     @CriticalNative
+    private static native int nGetLayerType(long renderNode);
+
+    @CriticalNative
     private static native boolean nSetLayerPaint(long renderNode, long paint);
 
     @CriticalNative
     private static native boolean nSetClipToBounds(long renderNode, boolean clipToBounds);
 
     @CriticalNative
+    private static native boolean nGetClipToBounds(long renderNode);
+
+    @CriticalNative
     private static native boolean nSetClipBounds(long renderNode, int left, int top,
             int right, int bottom);
 
diff --git a/libs/androidfw/TEST_MAPPING b/libs/androidfw/TEST_MAPPING
new file mode 100644
index 0000000..a58b47f
--- /dev/null
+++ b/libs/androidfw/TEST_MAPPING
@@ -0,0 +1,8 @@
+{
+  "presubmit": [
+    {
+      "name": "libandroidfw_tests",
+      "host": true
+    }
+  ]
+}
\ No newline at end of file
diff --git a/libs/androidfw/tests/LoadedArsc_test.cpp b/libs/androidfw/tests/LoadedArsc_test.cpp
index 441356b..22d587a 100644
--- a/libs/androidfw/tests/LoadedArsc_test.cpp
+++ b/libs/androidfw/tests/LoadedArsc_test.cpp
@@ -365,6 +365,6 @@
 // structs with size fields (like Res_value, ResTable_entry) should be
 // backwards and forwards compatible (aka checking the size field against
 // sizeof(Res_value) might not be backwards compatible.
-TEST(LoadedArscTest, LoadingShouldBeForwardsAndBackwardsCompatible) { ASSERT_TRUE(false); }
+// TEST(LoadedArscTest, LoadingShouldBeForwardsAndBackwardsCompatible) { ASSERT_TRUE(false); }
 
 }  // namespace android
diff --git a/libs/hwui/Android.bp b/libs/hwui/Android.bp
index 0503f36..6585bfc 100644
--- a/libs/hwui/Android.bp
+++ b/libs/hwui/Android.bp
@@ -208,6 +208,7 @@
         "FrameInfoVisualizer.cpp",
         "GpuMemoryTracker.cpp",
         "HardwareBitmapUploader.cpp",
+        "HWUIProperties.sysprop",
         "Interpolator.cpp",
         "JankTracker.cpp",
         "Layer.cpp",
diff --git a/libs/hwui/HWUIProperties.sysprop b/libs/hwui/HWUIProperties.sysprop
new file mode 100644
index 0000000..42191ca
--- /dev/null
+++ b/libs/hwui/HWUIProperties.sysprop
@@ -0,0 +1,9 @@
+owner: Platform
+module: "android.uirenderer"
+prop {
+    api_name: "use_vulkan"
+    type: Boolean
+    prop_name: "ro.hwui.use_vulkan"
+    scope: Public
+    access: Readonly
+}
diff --git a/libs/hwui/Properties.cpp b/libs/hwui/Properties.cpp
index 8067313..046ffc4 100644
--- a/libs/hwui/Properties.cpp
+++ b/libs/hwui/Properties.cpp
@@ -18,6 +18,7 @@
 #include "Debug.h"
 #include "DeviceInfo.h"
 #include "SkTraceEventCommon.h"
+#include "HWUIProperties.sysprop.h"
 
 #include <algorithm>
 #include <cstdlib>
@@ -174,8 +175,13 @@
     if (sRenderPipelineType != RenderPipelineType::NotInitialized) {
         return sRenderPipelineType;
     }
+    bool useVulkan = use_vulkan().value_or(false);
     char prop[PROPERTY_VALUE_MAX];
-    property_get(PROPERTY_RENDERER, prop, "skiagl");
+    if (useVulkan) {
+        property_get(PROPERTY_RENDERER, prop, "skiavk");
+    } else {
+        property_get(PROPERTY_RENDERER, prop, "skiagl");
+    }
     if (!strcmp(prop, "skiavk")) {
         ALOGD("Skia Vulkan Pipeline");
         sRenderPipelineType = RenderPipelineType::SkiaVulkan;
diff --git a/libs/hwui/RecordingCanvas.h b/libs/hwui/RecordingCanvas.h
index 35cf707..de8777b 100644
--- a/libs/hwui/RecordingCanvas.h
+++ b/libs/hwui/RecordingCanvas.h
@@ -65,6 +65,7 @@
     void applyColorTransform(ColorTransform transform);
 
     bool hasText() const { return mHasText; }
+    size_t usedSize() const { return fUsed; }
 
 private:
     friend class RecordingCanvas;
diff --git a/libs/hwui/RenderProperties.h b/libs/hwui/RenderProperties.h
index 04379ae..ddb7e4e 100644
--- a/libs/hwui/RenderProperties.h
+++ b/libs/hwui/RenderProperties.h
@@ -98,15 +98,15 @@
 
     LayerProperties& operator=(const LayerProperties& other);
 
+    // Strongly recommend using effectiveLayerType instead
+    LayerType type() const { return mType; }
+
 private:
     LayerProperties();
     ~LayerProperties();
     void reset();
     bool setColorFilter(SkColorFilter* filter);
 
-    // Private since external users should go through properties().effectiveLayerType()
-    LayerType type() const { return mType; }
-
     friend class RenderProperties;
 
     LayerType mType = LayerType::None;
diff --git a/libs/hwui/pipeline/skia/SkiaDisplayList.h b/libs/hwui/pipeline/skia/SkiaDisplayList.h
index d7879e7..45f3a4c 100644
--- a/libs/hwui/pipeline/skia/SkiaDisplayList.h
+++ b/libs/hwui/pipeline/skia/SkiaDisplayList.h
@@ -49,7 +49,7 @@
  */
 class SkiaDisplayList {
 public:
-    size_t getUsedSize() { return allocator.usedSize(); }
+    size_t getUsedSize() { return allocator.usedSize() + mDisplayList.usedSize(); }
 
     ~SkiaDisplayList() {
         /* Given that we are using a LinearStdAllocator to store some of the
diff --git a/libs/hwui/tests/common/scenes/ShapeAnimation.cpp b/libs/hwui/tests/common/scenes/ShapeAnimation.cpp
index 0d87776..d189a93 100644
--- a/libs/hwui/tests/common/scenes/ShapeAnimation.cpp
+++ b/libs/hwui/tests/common/scenes/ShapeAnimation.cpp
@@ -76,7 +76,7 @@
                             paint.setStrokeWidth(strokeWidth);
                             // fill column with each op
                             int middleCount = canvas.save(SaveFlags::MatrixClip);
-                            for (auto op : ops) {
+                            for (const auto& op : ops) {
                                 int innerCount = canvas.save(SaveFlags::MatrixClip);
                                 canvas.clipRect(0, 0, cellSize, cellSize, SkClipOp::kIntersect);
                                 canvas.drawColor(Color::White, SkBlendMode::kSrcOver);
diff --git a/libs/hwui/tests/unit/VectorDrawableTests.cpp b/libs/hwui/tests/unit/VectorDrawableTests.cpp
index ee6beba..b11eaa9 100644
--- a/libs/hwui/tests/unit/VectorDrawableTests.cpp
+++ b/libs/hwui/tests/unit/VectorDrawableTests.cpp
@@ -251,7 +251,7 @@
 }
 
 TEST(PathParser, parseStringForData) {
-    for (TestData testData : sTestDataSet) {
+    for (const TestData& testData : sTestDataSet) {
         PathParser::ParseResult result;
         // Test generated path data against the given data.
         PathData pathData;
@@ -271,7 +271,7 @@
 }
 
 TEST(VectorDrawableUtils, createSkPathFromPathData) {
-    for (TestData testData : sTestDataSet) {
+    for (const TestData& testData : sTestDataSet) {
         SkPath expectedPath;
         testData.skPathLamda(&expectedPath);
         SkPath actualPath;
@@ -281,7 +281,7 @@
 }
 
 TEST(PathParser, parseAsciiStringForSkPath) {
-    for (TestData testData : sTestDataSet) {
+    for (const TestData& testData : sTestDataSet) {
         PathParser::ParseResult result;
         size_t length = strlen(testData.pathString);
         // Check the return value as well as the SkPath generated.
@@ -304,8 +304,8 @@
 }
 
 TEST(VectorDrawableUtils, morphPathData) {
-    for (TestData fromData : sTestDataSet) {
-        for (TestData toData : sTestDataSet) {
+    for (const TestData& fromData : sTestDataSet) {
+        for (const TestData& toData : sTestDataSet) {
             bool canMorph = VectorDrawableUtils::canMorph(fromData.pathData, toData.pathData);
             if (fromData.pathData == toData.pathData) {
                 EXPECT_TRUE(canMorph);
@@ -319,8 +319,8 @@
 
 TEST(VectorDrawableUtils, interpolatePathData) {
     // Interpolate path data with itself and every other path data
-    for (TestData fromData : sTestDataSet) {
-        for (TestData toData : sTestDataSet) {
+    for (const TestData& fromData : sTestDataSet) {
+        for (const TestData& toData : sTestDataSet) {
             PathData outData;
             bool success = VectorDrawableUtils::interpolatePathData(&outData, fromData.pathData,
                                                                     toData.pathData, 0.5);
@@ -331,7 +331,7 @@
 
     float fractions[] = {0, 0.00001, 0.28, 0.5, 0.7777, 0.9999999, 1};
     // Now try to interpolate with a slightly modified version of self and expect success
-    for (TestData fromData : sTestDataSet) {
+    for (const TestData& fromData : sTestDataSet) {
         PathData toPathData = fromData.pathData;
         for (size_t i = 0; i < toPathData.points.size(); i++) {
             toPathData.points[i]++;
diff --git a/libs/input/PointerController.cpp b/libs/input/PointerController.cpp
index 80d8e72..0a90f85 100644
--- a/libs/input/PointerController.cpp
+++ b/libs/input/PointerController.cpp
@@ -89,6 +89,10 @@
 
     mLocked.animationPending = false;
 
+    mLocked.displayWidth = -1;
+    mLocked.displayHeight = -1;
+    mLocked.displayOrientation = DISPLAY_ORIENTATION_0;
+
     mLocked.presentation = PRESENTATION_POINTER;
     mLocked.presentationChanged = false;
 
@@ -106,6 +110,15 @@
     mLocked.lastFrameUpdatedTime = 0;
 
     mLocked.buttonState = 0;
+
+    mPolicy->loadPointerIcon(&mLocked.pointerIcon);
+
+    loadResources();
+
+    if (mLocked.pointerIcon.isValid()) {
+        mLocked.pointerIconChanged = true;
+        updatePointerLocked();
+    }
 }
 
 PointerController::~PointerController() {
@@ -131,15 +144,23 @@
 
 bool PointerController::getBoundsLocked(float* outMinX, float* outMinY,
         float* outMaxX, float* outMaxY) const {
-
-    if (!mLocked.viewport.isValid()) {
+    if (mLocked.displayWidth <= 0 || mLocked.displayHeight <= 0) {
         return false;
     }
 
-    *outMinX = mLocked.viewport.logicalLeft;
-    *outMinY = mLocked.viewport.logicalTop;
-    *outMaxX = mLocked.viewport.logicalRight - 1;
-    *outMaxY = mLocked.viewport.logicalBottom - 1;
+    *outMinX = 0;
+    *outMinY = 0;
+    switch (mLocked.displayOrientation) {
+    case DISPLAY_ORIENTATION_90:
+    case DISPLAY_ORIENTATION_270:
+        *outMaxX = mLocked.displayHeight - 1;
+        *outMaxY = mLocked.displayWidth - 1;
+        break;
+    default:
+        *outMaxX = mLocked.displayWidth - 1;
+        *outMaxY = mLocked.displayHeight - 1;
+        break;
+    }
     return true;
 }
 
@@ -210,12 +231,6 @@
     *outY = mLocked.pointerY;
 }
 
-int32_t PointerController::getDisplayId() const {
-    AutoMutex _l(mLock);
-
-    return mLocked.viewport.displayId;
-}
-
 void PointerController::fade(Transition transition) {
     AutoMutex _l(mLock);
 
@@ -340,57 +355,48 @@
 void PointerController::reloadPointerResources() {
     AutoMutex _l(mLock);
 
-    loadResourcesLocked();
+    loadResources();
+
+    if (mLocked.presentation == PRESENTATION_POINTER) {
+        mLocked.additionalMouseResources.clear();
+        mLocked.animationResources.clear();
+        mPolicy->loadPointerIcon(&mLocked.pointerIcon);
+        mPolicy->loadAdditionalMouseResources(&mLocked.additionalMouseResources,
+                                              &mLocked.animationResources);
+    }
+
+    mLocked.presentationChanged = true;
     updatePointerLocked();
 }
 
-/**
- * The viewport values for deviceHeight and deviceWidth have already been adjusted for rotation,
- * so here we are getting the dimensions in the original, unrotated orientation (orientation 0).
- */
-static void getNonRotatedSize(const DisplayViewport& viewport, int32_t& width, int32_t& height) {
-    if (viewport.orientation == DISPLAY_ORIENTATION_90
-            || viewport.orientation == DISPLAY_ORIENTATION_270) {
-        width = viewport.deviceHeight;
-        height = viewport.deviceWidth;
-    } else {
-        width = viewport.deviceWidth;
-        height = viewport.deviceHeight;
-    }
-}
-
-void PointerController::setDisplayViewport(const DisplayViewport& viewport) {
+void PointerController::setDisplayViewport(int32_t width, int32_t height, int32_t orientation) {
     AutoMutex _l(mLock);
-    if (viewport == mLocked.viewport) {
-        return;
+
+    // Adjust to use the display's unrotated coordinate frame.
+    if (orientation == DISPLAY_ORIENTATION_90
+            || orientation == DISPLAY_ORIENTATION_270) {
+        int32_t temp = height;
+        height = width;
+        width = temp;
     }
 
-    const DisplayViewport oldViewport = mLocked.viewport;
-    mLocked.viewport = viewport;
-
-    int32_t oldDisplayWidth, oldDisplayHeight;
-    getNonRotatedSize(oldViewport, oldDisplayWidth, oldDisplayHeight);
-    int32_t newDisplayWidth, newDisplayHeight;
-    getNonRotatedSize(viewport, newDisplayWidth, newDisplayHeight);
-
-    // Reset cursor position to center if size or display changed.
-    if (oldViewport.displayId != viewport.displayId
-            || oldDisplayWidth != newDisplayWidth
-            || oldDisplayHeight != newDisplayHeight) {
+    if (mLocked.displayWidth != width || mLocked.displayHeight != height) {
+        mLocked.displayWidth = width;
+        mLocked.displayHeight = height;
 
         float minX, minY, maxX, maxY;
         if (getBoundsLocked(&minX, &minY, &maxX, &maxY)) {
             mLocked.pointerX = (minX + maxX) * 0.5f;
             mLocked.pointerY = (minY + maxY) * 0.5f;
-            // Reload icon resources for density may be changed.
-            loadResourcesLocked();
         } else {
             mLocked.pointerX = 0;
             mLocked.pointerY = 0;
         }
 
         fadeOutAndReleaseAllSpotsLocked();
-    } else if (oldViewport.orientation != viewport.orientation) {
+    }
+
+    if (mLocked.displayOrientation != orientation) {
         // Apply offsets to convert from the pixel top-left corner position to the pixel center.
         // This creates an invariant frame of reference that we can easily rotate when
         // taking into account that the pointer may be located at fractional pixel offsets.
@@ -399,37 +405,37 @@
         float temp;
 
         // Undo the previous rotation.
-        switch (oldViewport.orientation) {
+        switch (mLocked.displayOrientation) {
         case DISPLAY_ORIENTATION_90:
             temp = x;
-            x =  oldViewport.deviceHeight - y;
+            x = mLocked.displayWidth - y;
             y = temp;
             break;
         case DISPLAY_ORIENTATION_180:
-            x = oldViewport.deviceWidth - x;
-            y = oldViewport.deviceHeight - y;
+            x = mLocked.displayWidth - x;
+            y = mLocked.displayHeight - y;
             break;
         case DISPLAY_ORIENTATION_270:
             temp = x;
             x = y;
-            y = oldViewport.deviceWidth - temp;
+            y = mLocked.displayHeight - temp;
             break;
         }
 
         // Perform the new rotation.
-        switch (viewport.orientation) {
+        switch (orientation) {
         case DISPLAY_ORIENTATION_90:
             temp = x;
             x = y;
-            y = viewport.deviceHeight - temp;
+            y = mLocked.displayWidth - temp;
             break;
         case DISPLAY_ORIENTATION_180:
-            x = viewport.deviceWidth - x;
-            y = viewport.deviceHeight - y;
+            x = mLocked.displayWidth - x;
+            y = mLocked.displayHeight - y;
             break;
         case DISPLAY_ORIENTATION_270:
             temp = x;
-            x = viewport.deviceWidth - y;
+            x = mLocked.displayHeight - y;
             y = temp;
             break;
         }
@@ -438,6 +444,7 @@
         // and save the results.
         mLocked.pointerX = x - 0.5f;
         mLocked.pointerY = y - 0.5f;
+        mLocked.displayOrientation = orientation;
     }
 
     updatePointerLocked();
@@ -607,16 +614,11 @@
     mLooper->removeMessages(mHandler, MSG_INACTIVITY_TIMEOUT);
 }
 
-void PointerController::updatePointerLocked() REQUIRES(mLock) {
-    if (!mLocked.viewport.isValid()) {
-        return;
-    }
-
+void PointerController::updatePointerLocked() {
     mSpriteController->openTransaction();
 
     mLocked.pointerSprite->setLayer(Sprite::BASE_LAYER_POINTER);
     mLocked.pointerSprite->setPosition(mLocked.pointerX, mLocked.pointerY);
-    mLocked.pointerSprite->setDisplayId(mLocked.viewport.displayId);
 
     if (mLocked.pointerAlpha > 0) {
         mLocked.pointerSprite->setAlpha(mLocked.pointerAlpha);
@@ -727,18 +729,8 @@
     }
 }
 
-void PointerController::loadResourcesLocked() REQUIRES(mLock) {
+void PointerController::loadResources() {
     mPolicy->loadPointerResources(&mResources);
-
-    if (mLocked.presentation == PRESENTATION_POINTER) {
-        mLocked.additionalMouseResources.clear();
-        mLocked.animationResources.clear();
-        mPolicy->loadPointerIcon(&mLocked.pointerIcon);
-        mPolicy->loadAdditionalMouseResources(&mLocked.additionalMouseResources,
-                                              &mLocked.animationResources);
-    }
-
-    mLocked.pointerIconChanged = true;
 }
 
 
diff --git a/libs/input/PointerController.h b/libs/input/PointerController.h
index a32cc42..7f4e5a5 100644
--- a/libs/input/PointerController.h
+++ b/libs/input/PointerController.h
@@ -23,7 +23,6 @@
 #include <vector>
 
 #include <ui/DisplayInfo.h>
-#include <input/DisplayViewport.h>
 #include <input/Input.h>
 #include <PointerControllerInterface.h>
 #include <utils/BitSet.h>
@@ -97,7 +96,6 @@
     virtual int32_t getButtonState() const;
     virtual void setPosition(float x, float y);
     virtual void getPosition(float* outX, float* outY) const;
-    virtual int32_t getDisplayId() const;
     virtual void fade(Transition transition);
     virtual void unfade(Transition transition);
 
@@ -108,7 +106,7 @@
 
     void updatePointerIcon(int32_t iconId);
     void setCustomPointerIcon(const SpriteIcon& icon);
-    void setDisplayViewport(const DisplayViewport& viewport);
+    void setDisplayViewport(int32_t width, int32_t height, int32_t orientation);
     void setInactivityTimeout(InactivityTimeout inactivityTimeout);
     void reloadPointerResources();
 
@@ -158,7 +156,9 @@
         size_t animationFrameIndex;
         nsecs_t lastFrameUpdatedTime;
 
-        DisplayViewport viewport;
+        int32_t displayWidth;
+        int32_t displayHeight;
+        int32_t displayOrientation;
 
         InactivityTimeout inactivityTimeout;
 
@@ -182,7 +182,7 @@
 
         Vector<Spot*> spots;
         Vector<sp<Sprite> > recycledSprites;
-    } mLocked GUARDED_BY(mLock);
+    } mLocked;
 
     bool getBoundsLocked(float* outMinX, float* outMinY, float* outMaxX, float* outMaxY) const;
     void setPositionLocked(float x, float y);
@@ -207,7 +207,7 @@
     void fadeOutAndReleaseSpotLocked(Spot* spot);
     void fadeOutAndReleaseAllSpotsLocked();
 
-    void loadResourcesLocked();
+    void loadResources();
 };
 
 } // namespace android
diff --git a/libs/input/SpriteController.cpp b/libs/input/SpriteController.cpp
index c1868d3..eb2bc98 100644
--- a/libs/input/SpriteController.cpp
+++ b/libs/input/SpriteController.cpp
@@ -144,16 +144,13 @@
         }
     }
 
-    // Resize and/or reparent sprites if needed.
+    // Resize sprites if needed.
     SurfaceComposerClient::Transaction t;
     bool needApplyTransaction = false;
     for (size_t i = 0; i < numSprites; i++) {
         SpriteUpdate& update = updates.editItemAt(i);
-        if (update.state.surfaceControl == nullptr) {
-            continue;
-        }
 
-        if (update.state.wantSurfaceVisible()) {
+        if (update.state.surfaceControl != NULL && update.state.wantSurfaceVisible()) {
             int32_t desiredWidth = update.state.icon.bitmap.width();
             int32_t desiredHeight = update.state.icon.bitmap.height();
             if (update.state.surfaceWidth < desiredWidth
@@ -173,12 +170,6 @@
                 }
             }
         }
-
-        // If surface is a new one, we have to set right layer stack.
-        if (update.surfaceChanged || update.state.dirty & DIRTY_DISPLAY_ID) {
-            t.setLayerStack(update.state.surfaceControl, update.state.displayId);
-            needApplyTransaction = true;
-        }
     }
     if (needApplyTransaction) {
         t.apply();
@@ -245,7 +236,7 @@
         if (update.state.surfaceControl != NULL && (becomingVisible || becomingHidden
                 || (wantSurfaceVisibleAndDrawn && (update.state.dirty & (DIRTY_ALPHA
                         | DIRTY_POSITION | DIRTY_TRANSFORMATION_MATRIX | DIRTY_LAYER
-                        | DIRTY_VISIBILITY | DIRTY_HOTSPOT | DIRTY_DISPLAY_ID))))) {
+                        | DIRTY_VISIBILITY | DIRTY_HOTSPOT))))) {
             needApplyTransaction = true;
 
             if (wantSurfaceVisibleAndDrawn
@@ -454,15 +445,6 @@
     }
 }
 
-void SpriteController::SpriteImpl::setDisplayId(int32_t displayId) {
-    AutoMutex _l(mController->mLock);
-
-    if (mLocked.state.displayId != displayId) {
-        mLocked.state.displayId = displayId;
-        invalidateLocked(DIRTY_DISPLAY_ID);
-    }
-}
-
 void SpriteController::SpriteImpl::invalidateLocked(uint32_t dirty) {
     bool wasDirty = mLocked.state.dirty;
     mLocked.state.dirty |= dirty;
diff --git a/libs/input/SpriteController.h b/libs/input/SpriteController.h
index 5b216f5..31e43e9 100644
--- a/libs/input/SpriteController.h
+++ b/libs/input/SpriteController.h
@@ -125,9 +125,6 @@
 
     /* Sets the sprite transformation matrix. */
     virtual void setTransformationMatrix(const SpriteTransformationMatrix& matrix) = 0;
-
-    /* Sets the id of the display where the sprite should be shown. */
-    virtual void setDisplayId(int32_t displayId) = 0;
 };
 
 /*
@@ -173,7 +170,6 @@
         DIRTY_LAYER = 1 << 4,
         DIRTY_VISIBILITY = 1 << 5,
         DIRTY_HOTSPOT = 1 << 6,
-        DIRTY_DISPLAY_ID = 1 << 7,
     };
 
     /* Describes the state of a sprite.
@@ -184,7 +180,7 @@
     struct SpriteState {
         inline SpriteState() :
                 dirty(0), visible(false),
-                positionX(0), positionY(0), layer(0), alpha(1.0f), displayId(ADISPLAY_ID_DEFAULT),
+                positionX(0), positionY(0), layer(0), alpha(1.0f),
                 surfaceWidth(0), surfaceHeight(0), surfaceDrawn(false), surfaceVisible(false) {
         }
 
@@ -197,7 +193,6 @@
         int32_t layer;
         float alpha;
         SpriteTransformationMatrix transformationMatrix;
-        int32_t displayId;
 
         sp<SurfaceControl> surfaceControl;
         int32_t surfaceWidth;
@@ -230,7 +225,6 @@
         virtual void setLayer(int32_t layer);
         virtual void setAlpha(float alpha);
         virtual void setTransformationMatrix(const SpriteTransformationMatrix& matrix);
-        virtual void setDisplayId(int32_t displayId);
 
         inline const SpriteState& getStateLocked() const {
             return mLocked.state;
diff --git a/media/java/android/media/MediaPlayer.java b/media/java/android/media/MediaPlayer.java
index 18d36eb..0057875 100644
--- a/media/java/android/media/MediaPlayer.java
+++ b/media/java/android/media/MediaPlayer.java
@@ -19,7 +19,6 @@
 import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.Nullable;
-import android.annotation.TestApi;
 import android.annotation.UnsupportedAppUsage;
 import android.app.ActivityThread;
 import android.content.ContentProvider;
@@ -1680,37 +1679,6 @@
     public native boolean isPlaying();
 
     /**
-     * Gets the current buffering management params used by the source component.
-     * Calling it only after {@code setDataSource} has been called.
-     * Each type of data source might have different set of default params.
-     *
-     * @return the current buffering management params used by the source component.
-     * @throws IllegalStateException if the internal player engine has not been
-     * initialized, or {@code setDataSource} has not been called.
-     * @hide
-     */
-    @NonNull
-    @TestApi
-    public native BufferingParams getBufferingParams();
-
-    /**
-     * Sets buffering management params.
-     * The object sets its internal BufferingParams to the input, except that the input is
-     * invalid or not supported.
-     * Call it only after {@code setDataSource} has been called.
-     * The input is a hint to MediaPlayer.
-     *
-     * @param params the buffering management params.
-     *
-     * @throws IllegalStateException if the internal player engine has not been
-     * initialized or has been released, or {@code setDataSource} has not been called.
-     * @throws IllegalArgumentException if params is invalid or not supported.
-     * @hide
-     */
-    @TestApi
-    public native void setBufferingParams(@NonNull BufferingParams params);
-
-    /**
      * Change playback speed of audio by resampling the audio.
      * <p>
      * Specifies resampling as audio mode for variable rate playback, i.e.,
diff --git a/media/java/android/media/MediaPlayer2.java b/media/java/android/media/MediaPlayer2.java
index d4b1c7f..b137ce2 100644
--- a/media/java/android/media/MediaPlayer2.java
+++ b/media/java/android/media/MediaPlayer2.java
@@ -544,32 +544,55 @@
     public native long getCurrentPosition();
 
     /**
-     * Gets the duration of the file.
+     * Gets the duration of the dsd.
      *
+     * @param dsd the descriptor of data source of which you want to get duration
      * @return the duration in milliseconds, if no duration is available
      *         (for example, if streaming live content), -1 is returned.
+     * @throws NullPointerException if dsd is null
      */
-    public native long getDuration();
+    public long getDuration(@NonNull DataSourceDesc dsd) {
+        if (dsd == null) {
+            throw new NullPointerException("non-null dsd is expected");
+        }
+        SourceInfo sourceInfo = getSourceInfo(dsd);
+        if (sourceInfo == null) {
+            return -1;
+        }
+
+        return native_getDuration(sourceInfo.mId);
+    }
+
+    private native long native_getDuration(long srcId);
 
     /**
-     * Gets the current buffered media source position received through progressive downloading.
+     * Gets the buffered media source position of given dsd.
      * For example a buffering update of 8000 milliseconds when 5000 milliseconds of the content
      * has already been played indicates that the next 3000 milliseconds of the
      * content to play has been buffered.
      *
+     * @param dsd the descriptor of data source of which you want to get buffered position
      * @return the current buffered media source position in milliseconds
+     * @throws NullPointerException if dsd is null
      */
-    public long getBufferedPosition() {
-        // Use cached buffered percent for now.
-        int bufferedPercentage;
-        synchronized (mSrcLock) {
-            if (mCurrentSourceInfo == null) {
-                bufferedPercentage = 0;
-            } else {
-                bufferedPercentage = mCurrentSourceInfo.mBufferedPercentage.get();
-            }
+    public long getBufferedPosition(@NonNull DataSourceDesc dsd) {
+        if (dsd == null) {
+            throw new NullPointerException("non-null dsd is expected");
         }
-        return getDuration() * bufferedPercentage / 100;
+        SourceInfo sourceInfo = getSourceInfo(dsd);
+        if (sourceInfo == null) {
+            return 0;
+        }
+
+        // Use cached buffered percent for now.
+        int bufferedPercentage = sourceInfo.mBufferedPercentage.get();
+
+        long duration = getDuration(dsd);
+        if (duration < 0) {
+            duration = 0;
+        }
+
+        return duration * bufferedPercentage / 100;
     }
 
     /**
@@ -1467,7 +1490,6 @@
 
     private native PersistableBundle native_getMetrics();
 
-
     /**
      * Gets the current buffering management params used by the source component.
      * Calling it only after {@code setDataSource} has been called.
@@ -1505,7 +1527,6 @@
 
     private native void native_setBufferingParams(@NonNull BufferingParams params);
 
-
     /**
      * Sets playback rate using {@link PlaybackParams}. The object sets its internal
      * PlaybackParams to the input. This allows the object to resume at previous speed
@@ -1969,19 +1990,31 @@
     /**
      * Returns a List of track information.
      *
+     * @param dsd the descriptor of data source of which you want to get track info
      * @return List of track info. The total number of tracks is the array length.
      * Must be called again if an external timed text source has been added after
      * addTimedTextSource method is called.
      * @throws IllegalStateException if it is called in an invalid state.
+     * @throws NullPointerException if dsd is null
      */
-    public @NonNull List<TrackInfo> getTrackInfo() {
-        TrackInfo[] trackInfo = getInbandTrackInfo();
+
+    public @NonNull List<TrackInfo> getTrackInfo(@NonNull DataSourceDesc dsd) {
+        if (dsd == null) {
+            throw new NullPointerException("non-null dsd is expected");
+        }
+        SourceInfo sourceInfo = getSourceInfo(dsd);
+        if (sourceInfo == null) {
+            return new ArrayList<TrackInfo>(0);
+        }
+
+        TrackInfo[] trackInfo = getInbandTrackInfo(sourceInfo);
         return (trackInfo != null ? Arrays.asList(trackInfo) : new ArrayList<TrackInfo>(0));
     }
 
-    private TrackInfo[] getInbandTrackInfo() throws IllegalStateException {
+    private TrackInfo[] getInbandTrackInfo(SourceInfo sourceInfo) throws IllegalStateException {
         PlayerMessage request = PlayerMessage.newBuilder()
                 .addValues(Value.newBuilder().setInt32Value(INVOKE_ID_GET_TRACK_INFO))
+                .addValues(Value.newBuilder().setInt64Value(sourceInfo.mId))
                 .build();
         PlayerMessage response = invoke(request);
         if (response == null) {
@@ -2001,9 +2034,10 @@
 
     /**
      * Returns the index of the audio, video, or subtitle track currently selected for playback,
-     * The return value is an index into the array returned by {@link #getTrackInfo()}, and can
-     * be used in calls to {@link #selectTrack(int)} or {@link #deselectTrack(int)}.
+     * The return value is an index into the array returned by {@link #getTrackInfo}, and can
+     * be used in calls to {@link #selectTrack} or {@link #deselectTrack}.
      *
+     * @param dsd the descriptor of data source of which you want to get selected track
      * @param trackType should be one of {@link TrackInfo#MEDIA_TRACK_TYPE_VIDEO},
      * {@link TrackInfo#MEDIA_TRACK_TYPE_AUDIO}, or
      * {@link TrackInfo#MEDIA_TRACK_TYPE_SUBTITLE}
@@ -2011,14 +2045,24 @@
      * a negative integer is returned when there is no selected track for {@code trackType} or
      * when {@code trackType} is not one of audio, video, or subtitle.
      * @throws IllegalStateException if called after {@link #close()}
+     * @throws NullPointerException if dsd is null
      *
-     * @see #getTrackInfo()
-     * @see #selectTrack(int)
-     * @see #deselectTrack(int)
+     * @see #getTrackInfo
+     * @see #selectTrack
+     * @see #deselectTrack
      */
-    public int getSelectedTrack(int trackType) {
+    public int getSelectedTrack(@NonNull DataSourceDesc dsd, int trackType) {
+        if (dsd == null) {
+            throw new NullPointerException("non-null dsd is expected");
+        }
+        SourceInfo sourceInfo = getSourceInfo(dsd);
+        if (sourceInfo == null) {
+            return -1;
+        }
+
         PlayerMessage request = PlayerMessage.newBuilder()
                 .addValues(Value.newBuilder().setInt32Value(INVOKE_ID_GET_SELECTED_TRACK))
+                .addValues(Value.newBuilder().setInt64Value(sourceInfo.mId))
                 .addValues(Value.newBuilder().setInt32Value(trackType))
                 .build();
         PlayerMessage response = invoke(request);
@@ -2049,19 +2093,20 @@
      * In addition, the support for selecting an audio track at runtime is pretty limited
      * in that an audio track can only be selected in the <em>Prepared</em> state.
      * </p>
+     * @param dsd the descriptor of data source of which you want to select track
      * @param index the index of the track to be selected. The valid range of the index
      * is 0..total number of track - 1. The total number of tracks as well as the type of
-     * each individual track can be found by calling {@link #getTrackInfo()} method.
+     * each individual track can be found by calling {@link #getTrackInfo} method.
      * @return a token which can be used to cancel the operation later with {@link #cancelCommand}.
      *
      * @see MediaPlayer2#getTrackInfo
      */
     // This is an asynchronous call.
-    public Object selectTrack(int index) {
+    public Object selectTrack(@NonNull DataSourceDesc dsd, int index) {
         return addTask(new Task(CALL_COMPLETED_SELECT_TRACK, false) {
             @Override
             void process() {
-                selectOrDeselectTrack(index, true /* select */);
+                selectOrDeselectTrack(dsd, index, true /* select */);
             }
         });
     }
@@ -2073,28 +2118,37 @@
      * deselected. If the timed text track identified by index has not been
      * selected before, it throws an exception.
      * </p>
+     * @param dsd the descriptor of data source of which you want to deselect track
      * @param index the index of the track to be deselected. The valid range of the index
      * is 0..total number of tracks - 1. The total number of tracks as well as the type of
-     * each individual track can be found by calling {@link #getTrackInfo()} method.
+     * each individual track can be found by calling {@link #getTrackInfo} method.
      * @return a token which can be used to cancel the operation later with {@link #cancelCommand}.
      *
      * @see MediaPlayer2#getTrackInfo
      */
     // This is an asynchronous call.
-    public Object deselectTrack(int index) {
+    public Object deselectTrack(@NonNull DataSourceDesc dsd, int index) {
         return addTask(new Task(CALL_COMPLETED_DESELECT_TRACK, false) {
             @Override
             void process() {
-                selectOrDeselectTrack(index, false /* select */);
+                selectOrDeselectTrack(dsd, index, false /* select */);
             }
         });
     }
 
-    private void selectOrDeselectTrack(int index, boolean select)
-            throws IllegalStateException {
+    private void selectOrDeselectTrack(@NonNull DataSourceDesc dsd, int index, boolean select) {
+        if (dsd == null) {
+            throw new IllegalArgumentException("non-null dsd is expected");
+        }
+        SourceInfo sourceInfo = getSourceInfo(dsd);
+        if (sourceInfo == null) {
+            return;
+        }
+
         PlayerMessage request = PlayerMessage.newBuilder()
                 .addValues(Value.newBuilder().setInt32Value(
                             select ? INVOKE_ID_SELECT_TRACK : INVOKE_ID_DESELECT_TRACK))
+                .addValues(Value.newBuilder().setInt64Value(sourceInfo.mId))
                 .addValues(Value.newBuilder().setInt32Value(index))
                 .build();
         invoke(request);
@@ -2568,7 +2622,7 @@
          * Currently only HTTP live streaming data URI's embedded with timed ID3 tags generates
          * {@link TimedMetaData}.
          *
-         * @see MediaPlayer2#selectTrack(int)
+         * @see MediaPlayer2#selectTrack
          * @see MediaPlayer2.OnTimedMetaDataAvailableListener
          * @see TimedMetaData
          *
diff --git a/media/java/android/media/MediaPlayerBase.java b/media/java/android/media/MediaPlayerBase.java
deleted file mode 100644
index a426552..0000000
--- a/media/java/android/media/MediaPlayerBase.java
+++ /dev/null
@@ -1,331 +0,0 @@
-/*
- * Copyright 2018 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package android.media;
-
-import android.annotation.IntDef;
-import android.annotation.NonNull;
-import android.annotation.Nullable;
-
-import java.lang.annotation.Retention;
-import java.lang.annotation.RetentionPolicy;
-import java.util.List;
-import java.util.concurrent.Executor;
-
-/**
- * @hide
- * Base class for all media players that want media session.
- */
-public abstract class MediaPlayerBase implements AutoCloseable {
-    /**
-     * @hide
-     */
-    @IntDef({
-        PLAYER_STATE_IDLE,
-        PLAYER_STATE_PAUSED,
-        PLAYER_STATE_PLAYING,
-        PLAYER_STATE_ERROR })
-    @Retention(RetentionPolicy.SOURCE)
-    public @interface PlayerState {}
-
-    /**
-     * @hide
-     */
-    @IntDef({
-        BUFFERING_STATE_UNKNOWN,
-        BUFFERING_STATE_BUFFERING_AND_PLAYABLE,
-        BUFFERING_STATE_BUFFERING_AND_STARVED,
-        BUFFERING_STATE_BUFFERING_COMPLETE })
-    @Retention(RetentionPolicy.SOURCE)
-    public @interface BuffState {}
-
-    /**
-     * State when the player is idle, and needs configuration to start playback.
-     */
-    public static final int PLAYER_STATE_IDLE = 0;
-
-    /**
-     * State when the player's playback is paused
-     */
-    public static final int PLAYER_STATE_PAUSED = 1;
-
-    /**
-     * State when the player's playback is ongoing
-     */
-    public static final int PLAYER_STATE_PLAYING = 2;
-
-    /**
-     * State when the player is in error state and cannot be recovered self.
-     */
-    public static final int PLAYER_STATE_ERROR = 3;
-
-    /**
-     * Buffering state is unknown.
-     */
-    public static final int BUFFERING_STATE_UNKNOWN = 0;
-
-    /**
-     * Buffering state indicating the player is buffering but enough has been buffered
-     * for this player to be able to play the content.
-     * See {@link #getBufferedPosition()} for how far is buffered already.
-     */
-    public static final int BUFFERING_STATE_BUFFERING_AND_PLAYABLE = 1;
-
-    /**
-     * Buffering state indicating the player is buffering, but the player is currently starved
-     * for data, and cannot play.
-     */
-    public static final int BUFFERING_STATE_BUFFERING_AND_STARVED = 2;
-
-    /**
-     * Buffering state indicating the player is done buffering, and the remainder of the content is
-     * available for playback.
-     */
-    public static final int BUFFERING_STATE_BUFFERING_COMPLETE = 3;
-
-    /**
-     * Starts or resumes playback.
-     */
-    public abstract void play();
-
-    /**
-     * Prepares the player for playback.
-     * See {@link PlayerEventCallback#onMediaPrepared(MediaPlayerBase, DataSourceDesc)} for being
-     * notified when the preparation phase completed. During this time, the player may allocate
-     * resources required to play, such as audio and video decoders.
-     */
-    public abstract void prepare();
-
-    /**
-     * Pauses playback.
-     */
-    public abstract void pause();
-
-    /**
-     * Resets the MediaPlayerBase to its uninitialized state.
-     */
-    public abstract void reset();
-
-    /**
-     *
-     */
-    public abstract void skipToNext();
-
-    /**
-     * Moves the playback head to the specified position
-     * @param pos the new playback position expressed in ms.
-     */
-    public abstract void seekTo(long pos);
-
-    public static final long UNKNOWN_TIME = -1;
-
-    /**
-     * Gets the current playback head position.
-     * @return the current playback position in ms, or {@link #UNKNOWN_TIME} if unknown.
-     */
-    public long getCurrentPosition() { return UNKNOWN_TIME; }
-
-    /**
-     * Returns the duration of the current data source, or {@link #UNKNOWN_TIME} if unknown.
-     * @return the duration in ms, or {@link #UNKNOWN_TIME}.
-     */
-    public long getDuration() { return UNKNOWN_TIME; }
-
-    /**
-     * Gets the buffered position of current playback, or {@link #UNKNOWN_TIME} if unknown.
-     * @return the buffered position in ms, or {@link #UNKNOWN_TIME}.
-     */
-    public long getBufferedPosition() { return UNKNOWN_TIME; }
-
-    /**
-     * Returns the current player state.
-     * See also {@link PlayerEventCallback#onPlayerStateChanged(MediaPlayerBase, int)} for
-     * notification of changes.
-     * @return the current player state
-     */
-    public abstract @PlayerState int getPlayerState();
-
-    /**
-     * Returns the current buffering state of the player.
-     * During buffering, see {@link #getBufferedPosition()} for the quantifying the amount already
-     * buffered.
-     * @return the buffering state.
-     */
-    public abstract @BuffState int getBufferingState();
-
-    /**
-     * Sets the {@link AudioAttributes} to be used during the playback of the media.
-     *
-     * @param attributes non-null <code>AudioAttributes</code>.
-     */
-    public abstract void setAudioAttributes(@NonNull AudioAttributes attributes);
-
-    /**
-     * Returns AudioAttributes that media player has.
-     */
-    public abstract @Nullable AudioAttributes getAudioAttributes();
-
-    /**
-     * Sets the data source to be played.
-     * @param dsd
-     */
-    public abstract void setDataSource(@NonNull DataSourceDesc dsd);
-
-    /**
-     * Sets the data source that will be played immediately after the current one is done playing.
-     * @param dsd
-     */
-    public abstract void setNextDataSource(@NonNull DataSourceDesc dsd);
-
-    /**
-     * Sets the list of data sources that will be sequentially played after the current one. Each
-     * data source is played immediately after the previous one is done playing.
-     * @param dsds
-     */
-    public abstract void setNextDataSources(@NonNull List<DataSourceDesc> dsds);
-
-    /**
-     * Returns the current data source.
-     * @return the current data source, or null if none is set, or none available to play.
-     */
-    public abstract @Nullable DataSourceDesc getCurrentDataSource();
-
-    /**
-     * Configures the player to loop on the current data source.
-     * @param loop true if the current data source is meant to loop.
-     */
-    public abstract void loopCurrent(boolean loop);
-
-    /**
-     * Sets the playback speed.
-     * A value of 1.0f is the default playback value.
-     * A negative value indicates reverse playback, check {@link #isReversePlaybackSupported()}
-     * before using negative values.<br>
-     * After changing the playback speed, it is recommended to query the actual speed supported
-     * by the player, see {@link #getPlaybackSpeed()}.
-     * @param speed
-     */
-    public abstract void setPlaybackSpeed(float speed);
-
-    /**
-     * Returns the actual playback speed to be used by the player when playing.
-     * Note that it may differ from the speed set in {@link #setPlaybackSpeed(float)}.
-     * @return the actual playback speed
-     */
-    public float getPlaybackSpeed() { return 1.0f; }
-
-    /**
-     * Indicates whether reverse playback is supported.
-     * Reverse playback is indicated by negative playback speeds, see
-     * {@link #setPlaybackSpeed(float)}.
-     * @return true if reverse playback is supported.
-     */
-    public boolean isReversePlaybackSupported() { return false; }
-
-    /**
-     * Sets the volume of the audio of the media to play, expressed as a linear multiplier
-     * on the audio samples.
-     * Note that this volume is specific to the player, and is separate from stream volume
-     * used across the platform.<br>
-     * A value of 0.0f indicates muting, a value of 1.0f is the nominal unattenuated and unamplified
-     * gain. See {@link #getMaxPlayerVolume()} for the volume range supported by this player.
-     * @param volume a value between 0.0f and {@link #getMaxPlayerVolume()}.
-     */
-    public abstract void setPlayerVolume(float volume);
-
-    /**
-     * Returns the current volume of this player to this player.
-     * Note that it does not take into account the associated stream volume.
-     * @return the player volume.
-     */
-    public abstract float getPlayerVolume();
-
-    /**
-     * @return the maximum volume that can be used in {@link #setPlayerVolume(float)}.
-     */
-    public float getMaxPlayerVolume() { return 1.0f; }
-
-    /**
-     * Adds a callback to be notified of events for this player.
-     * @param e the {@link Executor} to be used for the events.
-     * @param cb the callback to receive the events.
-     */
-    public abstract void registerPlayerEventCallback(@NonNull Executor e,
-            @NonNull PlayerEventCallback cb);
-
-    /**
-     * Removes a previously registered callback for player events
-     * @param cb the callback to remove
-     */
-    public abstract void unregisterPlayerEventCallback(@NonNull PlayerEventCallback cb);
-
-    /**
-     * A callback class to receive notifications for events on the media player.
-     * See {@link MediaPlayerBase#registerPlayerEventCallback(Executor, PlayerEventCallback)} to
-     * register this callback.
-     */
-    public static abstract class PlayerEventCallback {
-        /**
-         * Called when the player's current data source has changed.
-         *
-         * @param mpb the player whose data source changed.
-         * @param dsd the new current data source. null, if no more data sources available.
-         */
-        public void onCurrentDataSourceChanged(@NonNull MediaPlayerBase mpb,
-                @Nullable DataSourceDesc dsd) { }
-        /**
-         * Called when the player is <i>prepared</i>, i.e. it is ready to play the content
-         * referenced by the given data source.
-         * @param mpb the player that is prepared.
-         * @param dsd the data source that the player is prepared to play.
-         */
-        public void onMediaPrepared(@NonNull MediaPlayerBase mpb, @NonNull DataSourceDesc dsd) { }
-
-        /**
-         * Called to indicate that the state of the player has changed.
-         * See {@link MediaPlayerBase#getPlayerState()} for polling the player state.
-         * @param mpb the player whose state has changed.
-         * @param state the new state of the player.
-         */
-        public void onPlayerStateChanged(@NonNull MediaPlayerBase mpb, @PlayerState int state) { }
-
-        /**
-         * Called to report buffering events for a data source.
-         * @param mpb the player that is buffering
-         * @param dsd the data source for which buffering is happening.
-         * @param state the new buffering state.
-         */
-        public void onBufferingStateChanged(@NonNull MediaPlayerBase mpb,
-                @NonNull DataSourceDesc dsd, @BuffState int state) { }
-
-        /**
-         * Called to indicate that the playback speed has changed.
-         * @param mpb the player that has changed the playback speed.
-         * @param speed the new playback speed.
-         */
-        public void onPlaybackSpeedChanged(@NonNull MediaPlayerBase mpb, float speed) { }
-
-        /**
-         * Called to indicate that {@link #seekTo(long)} is completed.
-         *
-         * @param mpb the player that has completed seeking.
-         * @param position the previous seeking request.
-         * @see #seekTo(long)
-         */
-        public void onSeekCompleted(@NonNull MediaPlayerBase mpb, long position) { }
-    }
-
-}
diff --git a/media/jni/Android.bp b/media/jni/Android.bp
index e25e6a5..7481fff 100644
--- a/media/jni/Android.bp
+++ b/media/jni/Android.bp
@@ -97,9 +97,10 @@
     shared_libs: [
         "android.hardware.cas@1.0",  // for CasManager. VNDK???
         "android.hardware.cas.native@1.0",  // CasManager. VNDK???
+        "android.hidl.allocator@1.0",
+        "libhidlmemory",
         "libbinder",
         "libgui",  // for VideoFrameScheduler
-        "libhidlallocatorutils",
         "libhidlbase",  // VNDK???
         "libpowermanager",  // for JWakeLock. to be removed
 
diff --git a/media/jni/android_media_MediaPlayer.cpp b/media/jni/android_media_MediaPlayer.cpp
index 5dd01b0..76bbce7 100644
--- a/media/jni/android_media_MediaPlayer.cpp
+++ b/media/jni/android_media_MediaPlayer.cpp
@@ -39,7 +39,6 @@
 #include "utils/Errors.h"  // for status_t
 #include "utils/KeyedVector.h"
 #include "utils/String8.h"
-#include "android_media_BufferingParams.h"
 #include "android_media_MediaDataSource.h"
 #include "android_media_MediaMetricsJNI.h"
 #include "android_media_PlaybackParams.h"
@@ -94,7 +93,6 @@
 };
 static fields_t fields;
 
-static BufferingParams::fields_t gBufferingParamsFields;
 static PlaybackParams::fields_t gPlaybackParamsFields;
 static SyncParams::fields_t gSyncParamsFields;
 static VolumeShaperHelper::fields_t gVolumeShaperFields;
@@ -370,50 +368,6 @@
     setVideoSurface(env, thiz, jsurface, true /* mediaPlayerMustBeAlive */);
 }
 
-static jobject
-android_media_MediaPlayer_getBufferingParams(JNIEnv *env, jobject thiz)
-{
-    sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
-    if (mp == NULL) {
-        jniThrowException(env, "java/lang/IllegalStateException", NULL);
-        return NULL;
-    }
-
-    BufferingParams bp;
-    BufferingSettings &settings = bp.settings;
-    process_media_player_call(
-            env, thiz, mp->getBufferingSettings(&settings),
-            "java/lang/IllegalStateException", "unexpected error");
-    if (env->ExceptionCheck()) {
-        return nullptr;
-    }
-    ALOGV("getBufferingSettings:{%s}", settings.toString().string());
-
-    return bp.asJobject(env, gBufferingParamsFields);
-}
-
-static void
-android_media_MediaPlayer_setBufferingParams(JNIEnv *env, jobject thiz, jobject params)
-{
-    if (params == NULL) {
-        return;
-    }
-
-    sp<MediaPlayer> mp = getMediaPlayer(env, thiz);
-    if (mp == NULL) {
-        jniThrowException(env, "java/lang/IllegalStateException", NULL);
-        return;
-    }
-
-    BufferingParams bp;
-    bp.fillFromJobject(env, gBufferingParamsFields, params);
-    ALOGV("setBufferingParams:{%s}", bp.settings.toString().string());
-
-    process_media_player_call(
-            env, thiz, mp->setBufferingSettings(bp.settings),
-            "java/lang/IllegalStateException", "unexpected error");
-}
-
 static void
 android_media_MediaPlayer_prepare(JNIEnv *env, jobject thiz)
 {
@@ -976,8 +930,6 @@
 
     env->DeleteLocalRef(clazz);
 
-    gBufferingParamsFields.init(env);
-
     // Modular DRM
     FIND_CLASS(clazz, "android/media/MediaDrm$MediaDrmStateException");
     if (clazz) {
@@ -1426,8 +1378,6 @@
     {"_setDataSource",      "(Ljava/io/FileDescriptor;JJ)V",    (void *)android_media_MediaPlayer_setDataSourceFD},
     {"_setDataSource",      "(Landroid/media/MediaDataSource;)V",(void *)android_media_MediaPlayer_setDataSourceCallback },
     {"_setVideoSurface",    "(Landroid/view/Surface;)V",        (void *)android_media_MediaPlayer_setVideoSurface},
-    {"getBufferingParams", "()Landroid/media/BufferingParams;", (void *)android_media_MediaPlayer_getBufferingParams},
-    {"setBufferingParams", "(Landroid/media/BufferingParams;)V", (void *)android_media_MediaPlayer_setBufferingParams},
     {"_prepare",            "()V",                              (void *)android_media_MediaPlayer_prepare},
     {"prepareAsync",        "()V",                              (void *)android_media_MediaPlayer_prepareAsync},
     {"_start",              "()V",                              (void *)android_media_MediaPlayer_start},
diff --git a/media/jni/android_media_MediaPlayer2.cpp b/media/jni/android_media_MediaPlayer2.cpp
index 8b6009e..7e6a8ab 100644
--- a/media/jni/android_media_MediaPlayer2.cpp
+++ b/media/jni/android_media_MediaPlayer2.cpp
@@ -820,7 +820,7 @@
 }
 
 static jlong
-android_media_MediaPlayer2_getDuration(JNIEnv *env, jobject thiz)
+android_media_MediaPlayer2_getDuration(JNIEnv *env, jobject thiz, jlong srcId)
 {
     sp<MediaPlayer2> mp = getMediaPlayer(env, thiz);
     if (mp == NULL ) {
@@ -828,7 +828,7 @@
         return 0;
     }
     int64_t msec;
-    process_media_player_call( env, thiz, mp->getDuration(&msec), NULL, NULL );
+    process_media_player_call( env, thiz, mp->getDuration(srcId, &msec), NULL, NULL );
     ALOGV("getDuration: %lld (msec)", (long long)msec);
     return (jlong) msec;
 }
@@ -1408,7 +1408,7 @@
     {"native_seekTo",       "(JI)V",                            (void *)android_media_MediaPlayer2_seekTo},
     {"native_pause",        "()V",                              (void *)android_media_MediaPlayer2_pause},
     {"getCurrentPosition",  "()J",                              (void *)android_media_MediaPlayer2_getCurrentPosition},
-    {"getDuration",         "()J",                              (void *)android_media_MediaPlayer2_getDuration},
+    {"native_getDuration",  "(J)J",                             (void *)android_media_MediaPlayer2_getDuration},
     {"native_release",      "()V",                              (void *)android_media_MediaPlayer2_release},
     {"native_reset",        "()V",                              (void *)android_media_MediaPlayer2_reset},
     {"native_setAudioAttributes", "(Landroid/media/AudioAttributes;)Z", (void *)android_media_MediaPlayer2_setAudioAttributes},
diff --git a/packages/CarSystemUI/res/layout/car_fullscreen_user_pod.xml b/packages/CarSystemUI/res/layout/car_fullscreen_user_pod.xml
index 1d67286..a2a628d 100644
--- a/packages/CarSystemUI/res/layout/car_fullscreen_user_pod.xml
+++ b/packages/CarSystemUI/res/layout/car_fullscreen_user_pod.xml
@@ -25,13 +25,15 @@
     android:orientation="vertical"
     android:gravity="center">
 
-    <ImageView android:id="@+id/user_avatar"
+    <ImageView
+        android:id="@+id/user_avatar"
         android:layout_width="@dimen/car_user_switcher_image_avatar_size"
         android:layout_height="@dimen/car_user_switcher_image_avatar_size"
-        android:background="@drawable/car_button_ripple_background_light"
+        android:background="?android:attr/selectableItemBackground"
         android:gravity="center"/>
 
-    <TextView android:id="@+id/user_name"
+    <TextView
+        android:id="@+id/user_name"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:layout_marginTop="@dimen/car_user_switcher_vertical_spacing_between_name_and_avatar"
diff --git a/packages/CarSystemUI/res/layout/car_fullscreen_user_switcher.xml b/packages/CarSystemUI/res/layout/car_fullscreen_user_switcher.xml
index 6cd70d6..e8c5134cd 100644
--- a/packages/CarSystemUI/res/layout/car_fullscreen_user_switcher.xml
+++ b/packages/CarSystemUI/res/layout/car_fullscreen_user_switcher.xml
@@ -19,12 +19,10 @@
         android:fitsSystemWindows="true"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:background="@color/car_user_switcher_background_color"
         android:visibility="gone">
 
     <LinearLayout
         android:id="@+id/container"
-        android:background="@color/car_user_switcher_background_color"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:orientation="vertical">
@@ -38,7 +36,7 @@
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:layout_marginTop="@dimen/car_user_switcher_margin_top"
-            android:theme="@style/Theme.Car.Light.List"
+            android:theme="@style/PagedListTheme"
             app:verticallyCenterListContent="true"
             app:showPagedListViewDivider="false"
             app:gutter="both"
diff --git a/packages/CarSystemUI/res/layout/car_left_navigation_bar.xml b/packages/CarSystemUI/res/layout/car_left_navigation_bar.xml
index 141b28a..72ec8d8 100644
--- a/packages/CarSystemUI/res/layout/car_left_navigation_bar.xml
+++ b/packages/CarSystemUI/res/layout/car_left_navigation_bar.xml
@@ -68,7 +68,7 @@
         android:orientation="vertical">
 
         <com.android.keyguard.AlphaOptimizedImageButton
-            android:id="@+id/notifications"
+            android:id="@+id/note"
             android:layout_height="wrap_content"
             android:layout_width="match_parent"
             android:src="@drawable/car_ic_notification"
diff --git a/packages/CarSystemUI/res/layout/car_navigation_bar.xml b/packages/CarSystemUI/res/layout/car_navigation_bar.xml
index b67ce15..052566d 100644
--- a/packages/CarSystemUI/res/layout/car_navigation_bar.xml
+++ b/packages/CarSystemUI/res/layout/car_navigation_bar.xml
@@ -20,7 +20,7 @@
     xmlns:systemui="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@android:color/black"
+    android:background="@drawable/system_bar_background"
     android:orientation="vertical">
     <LinearLayout
         android:id="@id/nav_buttons"
diff --git a/packages/CarSystemUI/res/layout/car_navigation_bar_unprovisioned.xml b/packages/CarSystemUI/res/layout/car_navigation_bar_unprovisioned.xml
index 46e60db..4fa877f 100644
--- a/packages/CarSystemUI/res/layout/car_navigation_bar_unprovisioned.xml
+++ b/packages/CarSystemUI/res/layout/car_navigation_bar_unprovisioned.xml
@@ -20,7 +20,7 @@
     xmlns:systemui="http://schemas.android.com/apk/res-auto"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@android:color/black"
+    android:background="@drawable/system_bar_background"
     android:orientation="vertical">
 
     <LinearLayout
diff --git a/packages/CarSystemUI/res/layout/car_qs_footer.xml b/packages/CarSystemUI/res/layout/car_qs_footer.xml
index 6f19cfc..bf96c00 100644
--- a/packages/CarSystemUI/res/layout/car_qs_footer.xml
+++ b/packages/CarSystemUI/res/layout/car_qs_footer.xml
@@ -35,7 +35,7 @@
         android:layout_centerVertical="true"
         android:layout_width="@dimen/car_qs_footer_icon_width"
         android:layout_height="@dimen/car_qs_footer_icon_height"
-        android:background="@drawable/ripple_drawable"
+        android:background="?android:attr/selectableItemBackground"
         android:focusable="true">
 
         <ImageView
diff --git a/packages/CarSystemUI/res/layout/car_qs_panel.xml b/packages/CarSystemUI/res/layout/car_qs_panel.xml
index dfa48c3..d923e0f 100644
--- a/packages/CarSystemUI/res/layout/car_qs_panel.xml
+++ b/packages/CarSystemUI/res/layout/car_qs_panel.xml
@@ -21,8 +21,7 @@
     android:layout_height="wrap_content"
     android:background="@color/car_qs_background_primary"
     android:orientation="vertical"
-    android:elevation="4dp"
-    android:theme="@android:style/Theme">
+    android:elevation="4dp">
 
     <include layout="@layout/car_status_bar_header"/>
     <include layout="@layout/car_qs_footer"/>
@@ -39,7 +38,7 @@
             android:id="@+id/user_grid"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
-            android:theme="@style/Theme.Car.Light.List"
+            android:theme="@style/PagedListTheme"
             app:showPagedListViewDivider="false"
             app:gutter="both"
             app:itemSpacing="@dimen/car_user_switcher_vertical_spacing_between_users"/>
diff --git a/packages/CarSystemUI/res/layout/car_right_navigation_bar.xml b/packages/CarSystemUI/res/layout/car_right_navigation_bar.xml
index 141b28a..72ec8d8 100644
--- a/packages/CarSystemUI/res/layout/car_right_navigation_bar.xml
+++ b/packages/CarSystemUI/res/layout/car_right_navigation_bar.xml
@@ -68,7 +68,7 @@
         android:orientation="vertical">
 
         <com.android.keyguard.AlphaOptimizedImageButton
-            android:id="@+id/notifications"
+            android:id="@+id/note"
             android:layout_height="wrap_content"
             android:layout_width="match_parent"
             android:src="@drawable/car_ic_notification"
diff --git a/packages/CarSystemUI/res/layout/car_top_navigation_bar.xml b/packages/CarSystemUI/res/layout/car_top_navigation_bar.xml
index 7b3333e..1dca10a 100644
--- a/packages/CarSystemUI/res/layout/car_top_navigation_bar.xml
+++ b/packages/CarSystemUI/res/layout/car_top_navigation_bar.xml
@@ -21,7 +21,7 @@
     android:id="@+id/car_top_bar"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    android:background="@android:color/black"
+    android:background="@drawable/system_bar_background"
     android:orientation="vertical">
 
     <RelativeLayout
diff --git a/packages/CarSystemUI/res/values/config.xml b/packages/CarSystemUI/res/values/config.xml
index 572737f..c527711 100644
--- a/packages/CarSystemUI/res/values/config.xml
+++ b/packages/CarSystemUI/res/values/config.xml
@@ -51,7 +51,6 @@
         <item>com.android.systemui.LatencyTester</item>
         <item>com.android.systemui.globalactions.GlobalActionsComponent</item>
         <item>com.android.systemui.ScreenDecorations</item>
-        <item>com.android.systemui.fingerprint.FingerprintDialogImpl</item>
         <item>com.android.systemui.SliceBroadcastRelayHandler</item>
         <item>com.android.systemui.notifications.NotificationsUI</item>
     </string-array>
diff --git a/packages/CarSystemUI/res/values/themes.xml b/packages/CarSystemUI/res/values/themes.xml
new file mode 100644
index 0000000..8a5961e
--- /dev/null
+++ b/packages/CarSystemUI/res/values/themes.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/**
+ * Copyright (c) 2018, The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+-->
+
+<resources>
+    <!--This Theme contains attributes required for components from the car support lib -->
+    <style name="PagedListTheme" parent="Theme.CarSupportWrapper.NoActionBar">
+    </style>
+</resources>
diff --git a/packages/CarSystemUI/src/com/android/systemui/statusbar/car/DrivingStateHelper.java b/packages/CarSystemUI/src/com/android/systemui/statusbar/car/DrivingStateHelper.java
index 730c3e3..a442426 100644
--- a/packages/CarSystemUI/src/com/android/systemui/statusbar/car/DrivingStateHelper.java
+++ b/packages/CarSystemUI/src/com/android/systemui/statusbar/car/DrivingStateHelper.java
@@ -52,6 +52,9 @@
      * is idling or moving, {@code false} otherwise.
      */
     public boolean isCurrentlyDriving() {
+        if (mDrivingStateManager == null) {
+            return false;
+        }
         try {
             CarDrivingStateEvent currentState = mDrivingStateManager.getCurrentCarDrivingState();
             if (currentState != null) {
diff --git a/packages/SettingsLib/src/com/android/settingslib/deviceinfo/AbstractWifiMacAddressPreferenceController.java b/packages/SettingsLib/src/com/android/settingslib/deviceinfo/AbstractWifiMacAddressPreferenceController.java
index 9699294..7177821 100644
--- a/packages/SettingsLib/src/com/android/settingslib/deviceinfo/AbstractWifiMacAddressPreferenceController.java
+++ b/packages/SettingsLib/src/com/android/settingslib/deviceinfo/AbstractWifiMacAddressPreferenceController.java
@@ -19,9 +19,7 @@
 import android.annotation.SuppressLint;
 import android.content.Context;
 import android.net.ConnectivityManager;
-import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
-import android.provider.Settings;
 import android.text.TextUtils;
 
 import androidx.annotation.VisibleForTesting;
@@ -83,15 +81,13 @@
     @SuppressLint("HardwareIds")
     @Override
     protected void updateConnectivity() {
-        WifiInfo wifiInfo = mWifiManager.getConnectionInfo();
-        final int macRandomizationMode = Settings.Global.getInt(mContext.getContentResolver(),
-                Settings.Global.WIFI_CONNECTED_MAC_RANDOMIZATION_ENABLED, OFF);
-        final String macAddress = wifiInfo == null ? null : wifiInfo.getMacAddress();
+        final String[] macAddresses = mWifiManager.getFactoryMacAddresses();
+        String macAddress = null;
+        if (macAddresses != null && macAddresses.length > 0) {
+            macAddress = macAddresses[0];
+        }
 
-        if (macRandomizationMode == ON && WifiInfo.DEFAULT_MAC_ADDRESS.equals(macAddress)) {
-            mWifiMacAddress.setSummary(R.string.wifi_status_mac_randomized);
-        } else if (TextUtils.isEmpty(macAddress)
-                || WifiInfo.DEFAULT_MAC_ADDRESS.equals(macAddress)) {
+        if (TextUtils.isEmpty(macAddress)) {
             mWifiMacAddress.setSummary(R.string.status_unavailable);
         } else {
             mWifiMacAddress.setSummary(macAddress);
diff --git a/packages/SettingsLib/src/com/android/settingslib/fuelgauge/BatterySaverUtils.java b/packages/SettingsLib/src/com/android/settingslib/fuelgauge/BatterySaverUtils.java
index f7b16f8..c8c05a0 100644
--- a/packages/SettingsLib/src/com/android/settingslib/fuelgauge/BatterySaverUtils.java
+++ b/packages/SettingsLib/src/com/android/settingslib/fuelgauge/BatterySaverUtils.java
@@ -22,6 +22,7 @@
 import android.os.PowerManager;
 import android.provider.Settings.Global;
 import android.provider.Settings.Secure;
+import android.text.TextUtils;
 import android.util.KeyValueListParser;
 import android.util.Log;
 import android.util.Slog;
@@ -176,4 +177,22 @@
             setAutoBatterySaverTriggerLevel(context, level);
         }
     }
+
+    /**
+     * Reverts battery saver schedule mode to none if we are in a bad state where routine mode
+     * is selected but no app is configured to actually provide the signal.
+     * @param context a valid context
+     */
+    public static void revertScheduleToNoneIfNeeded(Context context) {
+        ContentResolver resolver = context.getContentResolver();
+        final int currentMode = Global.getInt(resolver, Global.AUTOMATIC_POWER_SAVER_MODE,
+                PowerManager.POWER_SAVER_MODE_PERCENTAGE);
+        boolean providerConfigured = !TextUtils.isEmpty(context.getString(
+                com.android.internal.R.string.config_batterySaverScheduleProvider));
+        if (currentMode == PowerManager.POWER_SAVER_MODE_DYNAMIC && !providerConfigured) {
+            Global.putInt(resolver, Global.LOW_POWER_MODE_TRIGGER_LEVEL, 0);
+            Global.putInt(resolver, Global.AUTOMATIC_POWER_SAVER_MODE,
+                    PowerManager.POWER_SAVER_MODE_PERCENTAGE);
+        }
+    }
 }
diff --git a/packages/SettingsLib/src/com/android/settingslib/location/RecentLocationAccesses.java b/packages/SettingsLib/src/com/android/settingslib/location/RecentLocationAccesses.java
new file mode 100644
index 0000000..9af0670
--- /dev/null
+++ b/packages/SettingsLib/src/com/android/settingslib/location/RecentLocationAccesses.java
@@ -0,0 +1,189 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settingslib.location;
+
+import android.app.AppOpsManager;
+import android.content.Context;
+import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.graphics.drawable.Drawable;
+import android.os.Process;
+import android.os.UserHandle;
+import android.os.UserManager;
+import android.text.format.DateUtils;
+import android.util.IconDrawableFactory;
+import android.util.Log;
+
+import androidx.annotation.VisibleForTesting;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.List;
+
+/**
+ * Retrieves the information of applications which accessed location recently.
+ */
+public class RecentLocationAccesses {
+    private static final String TAG = RecentLocationAccesses.class.getSimpleName();
+    @VisibleForTesting
+    static final String ANDROID_SYSTEM_PACKAGE_NAME = "android";
+
+    // Keep last 24 hours of location app information.
+    private static final long RECENT_TIME_INTERVAL_MILLIS = DateUtils.DAY_IN_MILLIS;
+
+    @VisibleForTesting
+    static final int[] LOCATION_OPS = new int[]{
+            AppOpsManager.OP_FINE_LOCATION,
+            AppOpsManager.OP_COARSE_LOCATION,
+    };
+
+    private final PackageManager mPackageManager;
+    private final Context mContext;
+    private final IconDrawableFactory mDrawableFactory;
+
+    public RecentLocationAccesses(Context context) {
+        mContext = context;
+        mPackageManager = context.getPackageManager();
+        mDrawableFactory = IconDrawableFactory.newInstance(context);
+    }
+
+    /**
+     * Fills a list of applications which queried location recently within specified time.
+     * Apps are sorted by recency. Apps with more recent location accesses are in the front.
+     */
+    public List<Access> getAppList() {
+        // Retrieve a location usage list from AppOps
+        AppOpsManager aoManager =
+                (AppOpsManager) mContext.getSystemService(Context.APP_OPS_SERVICE);
+        List<AppOpsManager.PackageOps> appOps = aoManager.getPackagesForOps(LOCATION_OPS);
+
+        final int appOpsCount = appOps != null ? appOps.size() : 0;
+
+        // Process the AppOps list and generate a preference list.
+        ArrayList<Access> accesses = new ArrayList<>(appOpsCount);
+        final long now = System.currentTimeMillis();
+        final UserManager um = (UserManager) mContext.getSystemService(Context.USER_SERVICE);
+        final List<UserHandle> profiles = um.getUserProfiles();
+
+        for (int i = 0; i < appOpsCount; ++i) {
+            AppOpsManager.PackageOps ops = appOps.get(i);
+            // Don't show the Android System in the list - it's not actionable for the user.
+            // Also don't show apps belonging to background users except managed users.
+            String packageName = ops.getPackageName();
+            int uid = ops.getUid();
+            int userId = UserHandle.getUserId(uid);
+            boolean isAndroidOs =
+                    (uid == Process.SYSTEM_UID) && ANDROID_SYSTEM_PACKAGE_NAME.equals(packageName);
+            if (isAndroidOs || !profiles.contains(new UserHandle(userId))) {
+                continue;
+            }
+            Access access = getAccessFromOps(now, ops);
+            if (access != null) {
+                accesses.add(access);
+            }
+        }
+        return accesses;
+    }
+
+    public List<Access> getAppListSorted() {
+        List<Access> accesses = getAppList();
+        // Sort the list of Access by recency. Most recent accesses first.
+        Collections.sort(accesses, Collections.reverseOrder(new Comparator<Access>() {
+            @Override
+            public int compare(Access access1, Access access2) {
+                return Long.compare(access1.accessFinishTime, access2.accessFinishTime);
+            }
+        }));
+        return accesses;
+    }
+
+    /**
+     * Creates a Access entry for the given PackageOps.
+     *
+     * This method examines the time interval of the PackageOps first. If the PackageOps is older
+     * than the designated interval, this method ignores the PackageOps object and returns null.
+     * When the PackageOps is fresh enough, this method returns a Access object for the package
+     */
+    private Access getAccessFromOps(long now,
+            AppOpsManager.PackageOps ops) {
+        String packageName = ops.getPackageName();
+        List<AppOpsManager.OpEntry> entries = ops.getOps();
+        long locationAccessFinishTime = 0L;
+        // Earliest time for a location access to end and still be shown in list.
+        long recentLocationCutoffTime = now - RECENT_TIME_INTERVAL_MILLIS;
+        for (AppOpsManager.OpEntry entry : entries) {
+            locationAccessFinishTime = Math.max(entry.getLastAccessBackgroundTime(),
+                    entry.getLastAccessForegroundTime());
+        }
+        // Bail out if the entry is out of date.
+        if (locationAccessFinishTime < recentLocationCutoffTime) {
+            return null;
+        }
+
+        // The package is fresh enough, continue.
+        int uid = ops.getUid();
+        int userId = UserHandle.getUserId(uid);
+
+        Access access = null;
+        try {
+            ApplicationInfo appInfo = mPackageManager.getApplicationInfoAsUser(
+                    packageName, PackageManager.GET_META_DATA, userId);
+            if (appInfo == null) {
+                Log.w(TAG, "Null application info retrieved for package " + packageName
+                        + ", userId " + userId);
+                return null;
+            }
+
+            final UserHandle userHandle = new UserHandle(userId);
+            Drawable icon = mDrawableFactory.getBadgedIcon(appInfo, userId);
+            CharSequence appLabel = mPackageManager.getApplicationLabel(appInfo);
+            CharSequence badgedAppLabel = mPackageManager.getUserBadgedLabel(appLabel, userHandle);
+            if (appLabel.toString().contentEquals(badgedAppLabel)) {
+                // If badged label is not different from original then no need for it as
+                // a separate content description.
+                badgedAppLabel = null;
+            }
+            access = new Access(packageName, userHandle, icon, appLabel, badgedAppLabel,
+                    locationAccessFinishTime);
+        } catch (NameNotFoundException e) {
+            Log.w(TAG, "package name not found for " + packageName + ", userId " + userId);
+        }
+        return access;
+    }
+
+    public static class Access {
+        public final String packageName;
+        public final UserHandle userHandle;
+        public final Drawable icon;
+        public final CharSequence label;
+        public final CharSequence contentDescription;
+        public final long accessFinishTime;
+
+        private Access(String packageName, UserHandle userHandle, Drawable icon,
+                CharSequence label, CharSequence contentDescription,
+                long accessFinishTime) {
+            this.packageName = packageName;
+            this.userHandle = userHandle;
+            this.icon = icon;
+            this.label = label;
+            this.contentDescription = contentDescription;
+            this.accessFinishTime = accessFinishTime;
+        }
+    }
+}
diff --git a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/deviceinfo/WifiMacAddressPreferenceControllerTest.java b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/deviceinfo/WifiMacAddressPreferenceControllerTest.java
index 74e5bf5..1f7f4bc 100644
--- a/packages/SettingsLib/tests/robotests/src/com/android/settingslib/deviceinfo/WifiMacAddressPreferenceControllerTest.java
+++ b/packages/SettingsLib/tests/robotests/src/com/android/settingslib/deviceinfo/WifiMacAddressPreferenceControllerTest.java
@@ -27,7 +27,6 @@
 import android.net.ConnectivityManager;
 import android.net.wifi.WifiInfo;
 import android.net.wifi.WifiManager;
-import android.provider.Settings;
 
 import androidx.preference.Preference;
 import androidx.preference.PreferenceScreen;
@@ -93,105 +92,23 @@
     }
 
     @Test
-    public void updateConnectivity_nullWifiInfoWithMacRandomizationOff_setMacUnavailable() {
-        Settings.Global.putInt(mContext.getContentResolver(),
-                Settings.Global.WIFI_CONNECTED_MAC_RANDOMIZATION_ENABLED,
-                AbstractWifiMacAddressPreferenceController.OFF);
-        doReturn(null).when(mWifiManager).getConnectionInfo();
-
+    public void updateConnectivity_null_setMacUnavailable() {
+        doReturn(null).when(mWifiManager).getFactoryMacAddresses();
         mController.displayPreference(mScreen);
-
         assertThat(mPreference.getSummary())
                 .isEqualTo(mContext.getString(R.string.status_unavailable));
     }
 
     @Test
-    public void updateConnectivity_nullMacWithMacRandomizationOff_setMacUnavailable() {
-        Settings.Global.putInt(mContext.getContentResolver(),
-                Settings.Global.WIFI_CONNECTED_MAC_RANDOMIZATION_ENABLED,
-                AbstractWifiMacAddressPreferenceController.OFF);
-        doReturn(null).when(mWifiInfo).getMacAddress();
-
+    public void updateConnectivity_validMac_setValidMac() {
+        final String[] macAddresses = new String[]{TEST_MAC_ADDRESS};
+        doReturn(macAddresses).when(mWifiManager).getFactoryMacAddresses();
         mController.displayPreference(mScreen);
-
-        assertThat(mPreference.getSummary())
-                .isEqualTo(mContext.getString(R.string.status_unavailable));
-    }
-
-    @Test
-    public void updateConnectivity_defaultMacWithMacRandomizationOff_setMacUnavailable() {
-        Settings.Global.putInt(mContext.getContentResolver(),
-                Settings.Global.WIFI_CONNECTED_MAC_RANDOMIZATION_ENABLED,
-                AbstractWifiMacAddressPreferenceController.OFF);
-        doReturn(WifiInfo.DEFAULT_MAC_ADDRESS).when(mWifiInfo).getMacAddress();
-
-        mController.displayPreference(mScreen);
-
-        assertThat(mPreference.getSummary())
-                .isEqualTo(mContext.getString(R.string.status_unavailable));
-    }
-
-    @Test
-    public void updateConnectivity_validMacWithMacRandomizationOff_setValidMac() {
-        Settings.Global.putInt(mContext.getContentResolver(),
-                Settings.Global.WIFI_CONNECTED_MAC_RANDOMIZATION_ENABLED,
-                AbstractWifiMacAddressPreferenceController.OFF);
-        doReturn(TEST_MAC_ADDRESS).when(mWifiInfo).getMacAddress();
-
-        mController.displayPreference(mScreen);
-
         assertThat(mPreference.getSummary()).isEqualTo(TEST_MAC_ADDRESS);
-    }
 
-    @Test
-    public void updateConnectivity_nullWifiInfoWithMacRandomizationOn_setMacUnavailable() {
-        Settings.Global.putInt(mContext.getContentResolver(),
-                Settings.Global.WIFI_CONNECTED_MAC_RANDOMIZATION_ENABLED,
-                AbstractWifiMacAddressPreferenceController.ON);
-        doReturn(null).when(mWifiManager).getConnectionInfo();
 
-        mController.displayPreference(mScreen);
 
-        assertThat(mPreference.getSummary())
-                .isEqualTo(mContext.getString(R.string.status_unavailable));
-    }
 
-    @Test
-    public void updateConnectivity_nullMacWithMacRandomizationOn_setMacUnavailable() {
-        Settings.Global.putInt(mContext.getContentResolver(),
-                Settings.Global.WIFI_CONNECTED_MAC_RANDOMIZATION_ENABLED,
-                AbstractWifiMacAddressPreferenceController.ON);
-        doReturn(null).when(mWifiInfo).getMacAddress();
-
-        mController.displayPreference(mScreen);
-
-        assertThat(mPreference.getSummary())
-                .isEqualTo(mContext.getString(R.string.status_unavailable));
-    }
-
-    @Test
-    public void updateConnectivity_defaultMacWithMacRandomizationOn_setMacRandomized() {
-        Settings.Global.putInt(mContext.getContentResolver(),
-                Settings.Global.WIFI_CONNECTED_MAC_RANDOMIZATION_ENABLED,
-                AbstractWifiMacAddressPreferenceController.ON);
-        doReturn(WifiInfo.DEFAULT_MAC_ADDRESS).when(mWifiInfo).getMacAddress();
-
-        mController.displayPreference(mScreen);
-
-        assertThat(mPreference.getSummary())
-                .isEqualTo(mContext.getString(R.string.wifi_status_mac_randomized));
-    }
-
-    @Test
-    public void updateConnectivity_validMacWithMacRandomizationOn_setValidMac() {
-        Settings.Global.putInt(mContext.getContentResolver(),
-                Settings.Global.WIFI_CONNECTED_MAC_RANDOMIZATION_ENABLED,
-                AbstractWifiMacAddressPreferenceController.ON);
-        doReturn(TEST_MAC_ADDRESS).when(mWifiInfo).getMacAddress();
-
-        mController.displayPreference(mScreen);
-
-        assertThat(mPreference.getSummary()).isEqualTo(TEST_MAC_ADDRESS);
     }
 
     private static class ConcreteWifiMacAddressPreferenceController
diff --git a/packages/SystemUI/plugin/src/com/android/systemui/plugins/SensorManagerPlugin.java b/packages/SystemUI/plugin/src/com/android/systemui/plugins/SensorManagerPlugin.java
index 88b8dd8..fbd863d 100644
--- a/packages/SystemUI/plugin/src/com/android/systemui/plugins/SensorManagerPlugin.java
+++ b/packages/SystemUI/plugin/src/com/android/systemui/plugins/SensorManagerPlugin.java
@@ -11,13 +11,12 @@
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
- * limitations under the License
+ * limitations under the License.
  */
 
 package com.android.systemui.plugins;
 
-import android.hardware.Sensor;
-import android.hardware.TriggerEventListener;
+import android.hardware.SensorListener;
 
 import com.android.systemui.plugins.annotations.ProvidesInterface;
 
@@ -31,26 +30,30 @@
     int VERSION = 1;
 
     /**
-     * Registers for trigger events from the sensor. Trigger events are one-shot and need to
-     * re-registered in order for them to be fired again.
+     * Registers for sensor events. Events will be sent until the listener is unregistered.
      * @param sensor
      * @param listener
-     * @see android.hardware.SensorManager#requestTriggerSensor(
-     *     android.hardware.TriggerEventListener, android.hardware.Sensor)
+     * @see android.hardware.SensorManager#registerListener(SensorListener, int)
      */
-    void registerTriggerEvent(Sensor sensor, TriggerEventListener listener);
+    void registerListener(Sensor sensor, SensorEventListener listener);
 
     /**
-     * Unregisters trigger events from the sensor.
+     * Unregisters events from the sensor.
      * @param sensor
      * @param listener
      */
-    void unregisterTriggerEvent(Sensor sensor, TriggerEventListener listener);
+    void unregisterListener(Sensor sensor, SensorEventListener listener);
 
-    interface TriggerEventListener {
-        void onTrigger(TriggerEvent event);
+    /**
+     * Listener triggered whenever the Sensor has new data.
+     */
+    interface SensorEventListener {
+        void onSensorChanged(SensorEvent event);
     }
 
+    /**
+     * Sensor that can be defined in a plugin.
+     */
     class Sensor {
         public static final int TYPE_WAKE_LOCK_SCREEN = 1;
         public static final int TYPE_WAKE_DISPLAY = 2;
@@ -67,29 +70,32 @@
         }
     }
 
-    class TriggerEvent {
+    /**
+     * Event sent by a {@link Sensor}.
+     */
+    class SensorEvent {
         Sensor mSensor;
         int mVendorType;
         float[] mValues;
 
         /**
-         * Creates a trigger event
+         * Creates a sensor event.
          * @param sensor The type of sensor, e.g. TYPE_WAKE_LOCK_SCREEN
          * @param vendorType The vendor type, which should be unique for each type of sensor,
          *                   e.g. SINGLE_TAP = 1, DOUBLE_TAP = 2, etc.
          */
-        public TriggerEvent(Sensor sensor, int vendorType) {
+        public SensorEvent(Sensor sensor, int vendorType) {
             this(sensor, vendorType, null);
         }
 
         /**
-         * Creates a trigger event
+         * Creates a sensor event.
          * @param sensor The type of sensor, e.g. TYPE_WAKE_LOCK_SCREEN
          * @param vendorType The vendor type, which should be unique for each type of sensor,
          *                   e.g. SINGLE_TAP = 1, DOUBLE_TAP = 2, etc.
          * @param values Values captured by the sensor.
          */
-        public TriggerEvent(Sensor sensor, int vendorType, float[] values) {
+        public SensorEvent(Sensor sensor, int vendorType, float[] values) {
             mSensor = sensor;
             mVendorType = vendorType;
             mValues = values;
diff --git a/packages/SystemUI/res/drawable/ic_qs_wifi_disabled.xml b/packages/SystemUI/res/drawable/ic_qs_wifi_disabled.xml
deleted file mode 100644
index a72e9b8..0000000
--- a/packages/SystemUI/res/drawable/ic_qs_wifi_disabled.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<!--
-Copyright (C) 2017 The Android Open Source Project
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="32dp"
-    android:height="29.5dp"
-    android:viewportWidth="25.6"
-    android:viewportHeight="23.6">
-    <group
-        android:translateX="0.8"
-        android:translateY="-1.1">
-        <path
-            android:pathData="M23.66,8.11c0.39,-0.48 0.29,-1.19 -0.22,-1.54C21.67,5.36 17.55,3 12,3 6.44,3 2.33,5.36 0.56,6.57c-0.51,0.35 -0.61,1.06 -0.23,1.54L11.16,21.6c0.42,0.53 1.23,0.53 1.66,0L23.66,8.11z"
-            android:fillColor="#FFFFFFFF"/>
-    </group>
-</vector>
diff --git a/packages/SystemUI/res/drawable/ic_qs_wifi_full_0.xml b/packages/SystemUI/res/drawable/ic_qs_wifi_full_0.xml
deleted file mode 100644
index 53e4efc..0000000
--- a/packages/SystemUI/res/drawable/ic_qs_wifi_full_0.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<!--
-Copyright (C) 2017 The Android Open Source Project
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="32.0dp"
-    android:height="29.5dp"
-    android:viewportWidth="25.6"
-    android:viewportHeight="23.6">
-    <group
-        android:translateX="0.8"
-        android:translateY="-0.9">
-        <path
-            android:pathData="M23.66,8.11c0.39,-0.48 0.29,-1.19 -0.22,-1.54C21.67,5.36 17.55,3 12,3 6.44,3 2.33,5.36 0.56,6.57c-0.51,0.35 -0.61,1.06 -0.23,1.54L11.16,21.6c0.42,0.53 1.23,0.53 1.66,0L23.66,8.11z"
-            android:fillColor="#4DFFFFFF"/>
-    </group>
-</vector>
diff --git a/packages/SystemUI/res/drawable/ic_qs_wifi_full_1.xml b/packages/SystemUI/res/drawable/ic_qs_wifi_full_1.xml
deleted file mode 100644
index 8294183..0000000
--- a/packages/SystemUI/res/drawable/ic_qs_wifi_full_1.xml
+++ /dev/null
@@ -1,31 +0,0 @@
-<!--
-Copyright (C) 2017 The Android Open Source Project
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="32dp"
-    android:height="29.5dp"
-    android:viewportWidth="25.6"
-    android:viewportHeight="23.6">
-    <group
-        android:translateX="0.8"
-        android:translateY="-0.9">
-        <path
-            android:pathData="M23.66,8.11c0.39,-0.48 0.29,-1.19 -0.22,-1.54C21.67,5.36 17.55,3 12,3 6.44,3 2.33,5.36 0.56,6.57c-0.51,0.35 -0.61,1.06 -0.23,1.54L11.16,21.6c0.42,0.53 1.23,0.53 1.66,0L23.66,8.11z"
-            android:fillColor="#4DFFFFFF"/>
-        <path
-            android:pathData="M12.82,21.6l5.11,-6.36A8.942,8.942 0,0 0,12 13c-2.28,0 -4.35,0.85 -5.94,2.25l5.1,6.35c0.43,0.53 1.23,0.53 1.66,0z"
-            android:fillColor="#FFFFFFFF"/>
-    </group>
-</vector>
diff --git a/packages/SystemUI/res/drawable/ic_qs_wifi_full_2.xml b/packages/SystemUI/res/drawable/ic_qs_wifi_full_2.xml
deleted file mode 100644
index 3d59cf2..0000000
--- a/packages/SystemUI/res/drawable/ic_qs_wifi_full_2.xml
+++ /dev/null
@@ -1,31 +0,0 @@
-<!--
-Copyright (C) 2017 The Android Open Source Project
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="32dp"
-    android:height="29.5dp"
-    android:viewportWidth="25.6"
-    android:viewportHeight="23.6">
-    <group
-        android:translateX="0.8"
-        android:translateY="-0.9">
-        <path
-            android:pathData="M23.66,8.11c0.39,-0.48 0.29,-1.19 -0.22,-1.54C21.67,5.36 17.55,3 12,3 6.44,3 2.33,5.36 0.56,6.57c-0.51,0.35 -0.61,1.06 -0.23,1.54L11.16,21.6c0.42,0.53 1.23,0.53 1.66,0L23.66,8.11z"
-            android:fillColor="#4DFFFFFF"/>
-        <path
-            android:pathData="M12.82,21.6l6.99,-8.7C17.71,11.1 14.99,10 12,10c-2.99,0 -5.72,1.1 -7.82,2.91l6.98,8.7c0.43,0.52 1.23,0.52 1.66,-0.01z"
-            android:fillColor="#FFFFFFFF"/>
-    </group>
-</vector>
diff --git a/packages/SystemUI/res/drawable/ic_qs_wifi_full_3.xml b/packages/SystemUI/res/drawable/ic_qs_wifi_full_3.xml
deleted file mode 100644
index 21313b8..0000000
--- a/packages/SystemUI/res/drawable/ic_qs_wifi_full_3.xml
+++ /dev/null
@@ -1,31 +0,0 @@
-<!--
-Copyright (C) 2017 The Android Open Source Project
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="32dp"
-    android:height="29.5dp"
-    android:viewportWidth="25.6"
-    android:viewportHeight="23.6">
-    <group
-        android:translateX="0.8"
-        android:translateY="-0.9">
-        <path
-            android:pathData="M23.66,8.11c0.39,-0.48 0.29,-1.19 -0.22,-1.54C21.67,5.36 17.55,3 12,3 6.44,3 2.33,5.36 0.56,6.57c-0.51,0.35 -0.61,1.06 -0.23,1.54L11.16,21.6c0.42,0.53 1.23,0.53 1.66,0L23.66,8.11z"
-            android:fillColor="#4DFFFFFF"/>
-        <path
-            android:pathData="M12.82,21.6l8.25,-10.26A13.961,13.961 0,0 0,12 8c-3.46,0 -6.63,1.26 -9.07,3.35l8.23,10.26c0.43,0.52 1.23,0.52 1.66,-0.01z"
-            android:fillColor="#FFFFFFFF"/>
-    </group>
-</vector>
diff --git a/packages/SystemUI/res/drawable/ic_qs_wifi_full_4.xml b/packages/SystemUI/res/drawable/ic_qs_wifi_full_4.xml
deleted file mode 100644
index fd763ff..0000000
--- a/packages/SystemUI/res/drawable/ic_qs_wifi_full_4.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<!--
-Copyright (C) 2017 The Android Open Source Project
-
-   Licensed under the Apache License, Version 2.0 (the "License");
-    you may not use this file except in compliance with the License.
-    You may obtain a copy of the License at
-
-         http://www.apache.org/licenses/LICENSE-2.0
-
-    Unless required by applicable law or agreed to in writing, software
-    distributed under the License is distributed on an "AS IS" BASIS,
-    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-    See the License for the specific language governing permissions and
-    limitations under the License.
--->
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    android:width="32dp"
-    android:height="29.5dp"
-    android:viewportWidth="25.6"
-    android:viewportHeight="23.6">
-    <group
-        android:translateX="0.8"
-        android:translateY="-0.9">
-        <path
-            android:pathData="M23.66,8.11c0.39,-0.48 0.29,-1.19 -0.22,-1.54C21.67,5.36 17.55,3 12,3 6.44,3 2.33,5.36 0.56,6.57c-0.51,0.35 -0.61,1.06 -0.23,1.54L11.16,21.6c0.42,0.53 1.23,0.53 1.66,0L23.66,8.11z"
-            android:fillColor="#FFFFFFFF"/>
-    </group>
-</vector>
diff --git a/packages/SystemUI/src/com/android/systemui/doze/DozeLog.java b/packages/SystemUI/src/com/android/systemui/doze/DozeLog.java
index eda3c59..4fb1bc5 100644
--- a/packages/SystemUI/src/com/android/systemui/doze/DozeLog.java
+++ b/packages/SystemUI/src/com/android/systemui/doze/DozeLog.java
@@ -44,8 +44,7 @@
     public static final int PULSE_REASON_SENSOR_PICKUP = 3;
     public static final int PULSE_REASON_SENSOR_DOUBLE_TAP = 4;
     public static final int PULSE_REASON_SENSOR_LONG_PRESS = 5;
-    public static final int PULSE_REASON_SENSOR_WAKE_LOCK_SCREEN = 6;
-    public static final int REASON_SENSOR_WAKE_UP = 7;
+    public static final int REASON_SENSOR_WAKE_UP = 6;
 
     private static boolean sRegisterKeyguardCallback = true;
 
@@ -212,7 +211,6 @@
             case PULSE_REASON_SENSOR_PICKUP: return "pickup";
             case PULSE_REASON_SENSOR_DOUBLE_TAP: return "doubletap";
             case PULSE_REASON_SENSOR_LONG_PRESS: return "longpress";
-            case PULSE_REASON_SENSOR_WAKE_LOCK_SCREEN: return "wakeLockScreen";
             case REASON_SENSOR_WAKE_UP: return "wakeup";
             default: throw new IllegalArgumentException("bad reason: " + pulseReason);
         }
diff --git a/packages/SystemUI/src/com/android/systemui/doze/DozeSensors.java b/packages/SystemUI/src/com/android/systemui/doze/DozeSensors.java
index 7e77843..c2676d0 100644
--- a/packages/SystemUI/src/com/android/systemui/doze/DozeSensors.java
+++ b/packages/SystemUI/src/com/android/systemui/doze/DozeSensors.java
@@ -17,7 +17,6 @@
 package com.android.systemui.doze;
 
 import static com.android.systemui.plugins.SensorManagerPlugin.Sensor.TYPE_WAKE_DISPLAY;
-import static com.android.systemui.plugins.SensorManagerPlugin.Sensor.TYPE_WAKE_LOCK_SCREEN;
 
 import android.annotation.AnyThread;
 import android.app.ActivityManager;
@@ -26,7 +25,6 @@
 import android.content.Context;
 import android.database.ContentObserver;
 import android.hardware.Sensor;
-import android.hardware.SensorEvent;
 import android.hardware.SensorEventListener;
 import android.hardware.SensorManager;
 import android.hardware.TriggerEvent;
@@ -114,14 +112,7 @@
                         DozeLog.PULSE_REASON_SENSOR_LONG_PRESS,
                         true /* reports touch coordinates */,
                         true /* touchscreen */),
-                new PluginTriggerSensor(
-                        new SensorManagerPlugin.Sensor(TYPE_WAKE_LOCK_SCREEN),
-                        Settings.Secure.DOZE_WAKE_LOCK_SCREEN_GESTURE,
-                        true /* configured */,
-                        DozeLog.PULSE_REASON_SENSOR_WAKE_LOCK_SCREEN,
-                        false /* reports touch coordinates */,
-                        false /* touchscreen */),
-                new PluginTriggerSensor(
+                new PluginSensor(
                         new SensorManagerPlugin.Sensor(TYPE_WAKE_DISPLAY),
                         Settings.Secure.DOZE_WAKE_SCREEN_GESTURE,
                         true /* configured */,
@@ -272,7 +263,7 @@
         }
 
         @Override
-        public void onSensorChanged(SensorEvent event) {
+        public void onSensorChanged(android.hardware.SensorEvent event) {
             if (DEBUG) Log.d(TAG, "onSensorChanged " + event);
 
             mCurrentlyFar = event.values[0] >= event.sensor.getMaximumRange();
@@ -417,7 +408,7 @@
 
         protected String triggerEventToString(TriggerEvent event) {
             if (event == null) return null;
-            final StringBuilder sb = new StringBuilder("TriggerEvent[")
+            final StringBuilder sb = new StringBuilder("SensorEvent[")
                     .append(event.timestamp).append(',')
                     .append(event.sensor.getName());
             if (event.values != null) {
@@ -432,23 +423,19 @@
     /**
      * A Sensor that is injected via plugin.
      */
-    private class PluginTriggerSensor extends TriggerSensor {
+    private class PluginSensor extends TriggerSensor {
 
         private final SensorManagerPlugin.Sensor mPluginSensor;
-        private final SensorManagerPlugin.TriggerEventListener mTriggerEventListener = (event) -> {
+        private final SensorManagerPlugin.SensorEventListener mTriggerEventListener = (event) -> {
             DozeLog.traceSensor(mContext, mPulseReason);
             mHandler.post(mWakeLock.wrap(() -> {
-                if (DEBUG) Log.d(TAG, "onTrigger: " + triggerEventToString(event));
-                mRegistered = false;
+                if (DEBUG) Log.d(TAG, "onSensorEvent: " + triggerEventToString(event));
                 mCallback.onSensorPulse(mPulseReason, true /* sensorPerformsProxCheck */, -1, -1,
                         event.getValues());
-                if (!mRegistered) {
-                    updateListener();  // reregister, this sensor only fires once
-                }
             }));
         };
 
-        PluginTriggerSensor(SensorManagerPlugin.Sensor sensor, String setting, boolean configured,
+        PluginSensor(SensorManagerPlugin.Sensor sensor, String setting, boolean configured,
                 int pulseReason, boolean reportsTouchCoordinates, boolean requiresTouchscreen) {
             super(null, setting, configured, pulseReason, reportsTouchCoordinates,
                     requiresTouchscreen);
@@ -460,13 +447,13 @@
             if (!mConfigured) return;
             AsyncSensorManager asyncSensorManager = (AsyncSensorManager) mSensorManager;
             if (mRequested && !mDisabled && enabledBySetting() && !mRegistered) {
-                asyncSensorManager.requestPluginTriggerSensor(mPluginSensor, mTriggerEventListener);
+                asyncSensorManager.registerPluginListener(mPluginSensor, mTriggerEventListener);
                 mRegistered = true;
-                if (DEBUG) Log.d(TAG, "requestPluginTriggerSensor");
+                if (DEBUG) Log.d(TAG, "registerPluginListener");
             } else if (mRegistered) {
-                asyncSensorManager.cancelPluginTriggerSensor(mPluginSensor, mTriggerEventListener);
+                asyncSensorManager.unregisterPluginListener(mPluginSensor, mTriggerEventListener);
                 mRegistered = false;
-                if (DEBUG) Log.d(TAG, "cancelPluginTriggerSensor");
+                if (DEBUG) Log.d(TAG, "unregisterPluginListener");
             }
         }
 
@@ -479,7 +466,7 @@
                     .append(", mSensor=").append(mPluginSensor).append("}").toString();
         }
 
-        private String triggerEventToString(SensorManagerPlugin.TriggerEvent event) {
+        private String triggerEventToString(SensorManagerPlugin.SensorEvent event) {
             if (event == null) return null;
             final StringBuilder sb = new StringBuilder("PluginTriggerEvent[")
                     .append(event.getSensor()).append(',')
diff --git a/packages/SystemUI/src/com/android/systemui/doze/DozeTriggers.java b/packages/SystemUI/src/com/android/systemui/doze/DozeTriggers.java
index afe9a74..1da8976 100644
--- a/packages/SystemUI/src/com/android/systemui/doze/DozeTriggers.java
+++ b/packages/SystemUI/src/com/android/systemui/doze/DozeTriggers.java
@@ -53,6 +53,12 @@
     /** adb shell am broadcast -a com.android.systemui.doze.pulse com.android.systemui */
     private static final String PULSE_ACTION = "com.android.systemui.doze.pulse";
 
+    /**
+     * Last value sent by the wake-display sensor.
+     * Assuming that the screen should start on.
+     */
+    private static boolean sWakeDisplaySensorState = true;
+
     private final Context mContext;
     private final DozeMachine mMachine;
     private final DozeSensors mDozeSensors;
@@ -128,7 +134,6 @@
         boolean isDoubleTap = pulseReason == DozeLog.PULSE_REASON_SENSOR_DOUBLE_TAP;
         boolean isPickup = pulseReason == DozeLog.PULSE_REASON_SENSOR_PICKUP;
         boolean isLongPress = pulseReason == DozeLog.PULSE_REASON_SENSOR_LONG_PRESS;
-        boolean isWakeLockScreen = pulseReason == DozeLog.PULSE_REASON_SENSOR_WAKE_LOCK_SCREEN;
         boolean isWakeDisplay = pulseReason == DozeLog.REASON_SENSOR_WAKE_UP;
         boolean wakeEvent = rawValues != null && rawValues.length > 0 && rawValues[0] != 0;
 
@@ -145,14 +150,6 @@
                 if (isDoubleTap) {
                     mDozeHost.onDoubleTap(screenX, screenY);
                     mMachine.wakeUp();
-                } else if (isWakeLockScreen) {
-                    if (wakeEvent) {
-                        mDozeHost.setPassiveInterrupt(true);
-                        mMachine.wakeUp();
-                        DozeLog.traceLockScreenWakeUp(wakeEvent);
-                    } else {
-                        if (DEBUG) Log.d(TAG, "Unpulsing");
-                    }
                 } else if (isPickup) {
                     mDozeHost.setPassiveInterrupt(true);
                     mMachine.wakeUp();
@@ -199,6 +196,7 @@
         DozeMachine.State state = mMachine.getState();
         boolean paused = (state == DozeMachine.State.DOZE_AOD_PAUSED);
         boolean pausing = (state == DozeMachine.State.DOZE_AOD_PAUSING);
+        sWakeDisplaySensorState = wake;
 
         if (wake) {
             proximityCheckThenCall((result) -> {
@@ -234,6 +232,9 @@
                 }
                 mDozeSensors.setListening(true);
                 mDozeHost.setPassiveInterrupt(false);
+                if (newState == DozeMachine.State.DOZE_AOD && !sWakeDisplaySensorState) {
+                    onWakeScreen(false);
+                }
                 break;
             case DOZE_AOD_PAUSED:
             case DOZE_AOD_PAUSING:
diff --git a/packages/SystemUI/src/com/android/systemui/doze/LockScreenWakeUpController.java b/packages/SystemUI/src/com/android/systemui/doze/LockScreenWakeUpController.java
new file mode 100644
index 0000000..ebfafce
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/doze/LockScreenWakeUpController.java
@@ -0,0 +1,121 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.doze;
+
+import android.content.Context;
+import android.os.Handler;
+import android.os.PowerManager;
+import android.os.SystemClock;
+import android.os.UserHandle;
+import android.util.Log;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.hardware.AmbientDisplayConfiguration;
+import com.android.systemui.Dependency;
+import com.android.systemui.plugins.SensorManagerPlugin;
+import com.android.systemui.statusbar.StatusBarState;
+import com.android.systemui.statusbar.StatusBarStateController;
+import com.android.systemui.util.AsyncSensorManager;
+
+/**
+ * Controller responsible for waking up or making the device sleep based on ambient sensors.
+ */
+public class LockScreenWakeUpController implements StatusBarStateController.StateListener,
+        SensorManagerPlugin.SensorEventListener {
+
+    private static final String TAG = LockScreenWakeUpController.class.getSimpleName();
+    private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
+
+    private final AsyncSensorManager mAsyncSensorManager;
+    private final SensorManagerPlugin.Sensor mSensor;
+    private final AmbientDisplayConfiguration mAmbientConfiguration;
+    private final PowerManager mPowerManager;
+    private final DozeHost mDozeHost;
+    private final Handler mHandler;
+    private boolean mRegistered;
+    private boolean mDozing;
+
+    public LockScreenWakeUpController(Context context, DozeHost dozeHost) {
+        this(Dependency.get(AsyncSensorManager.class),
+                new SensorManagerPlugin.Sensor(SensorManagerPlugin.Sensor.TYPE_WAKE_LOCK_SCREEN),
+                new AmbientDisplayConfiguration(context),
+                context.getSystemService(PowerManager.class),
+                dozeHost, Dependency.get(StatusBarStateController.class), new Handler());
+    }
+
+    @VisibleForTesting
+    public LockScreenWakeUpController(AsyncSensorManager asyncSensorManager,
+            SensorManagerPlugin.Sensor sensor, AmbientDisplayConfiguration ambientConfiguration,
+            PowerManager powerManager, DozeHost dozeHost,
+            StatusBarStateController statusBarStateController, Handler handler) {
+        mAsyncSensorManager = asyncSensorManager;
+        mSensor = sensor;
+        mAmbientConfiguration = ambientConfiguration;
+        mPowerManager = powerManager;
+        mDozeHost = dozeHost;
+        mHandler = handler;
+        statusBarStateController.addCallback(this);
+    }
+
+    @Override
+    public void onStateChanged(int newState) {
+        boolean isLockScreen = newState == StatusBarState.KEYGUARD
+                || newState == StatusBarState.SHADE_LOCKED;
+
+        if (!mAmbientConfiguration.wakeLockScreenGestureEnabled(UserHandle.USER_CURRENT)) {
+            if (mRegistered) {
+                mAsyncSensorManager.unregisterPluginListener(mSensor, this);
+                mRegistered = false;
+            }
+            return;
+        }
+
+        if (isLockScreen && !mRegistered) {
+            mAsyncSensorManager.registerPluginListener(mSensor, this);
+            mRegistered = true;
+        } else if (!isLockScreen && mRegistered) {
+            mAsyncSensorManager.unregisterPluginListener(mSensor, this);
+            mRegistered = false;
+        }
+    }
+
+    @Override
+    public void onDozingChanged(boolean isDozing) {
+        mDozing = isDozing;
+    }
+
+    @Override
+    public void onSensorChanged(SensorManagerPlugin.SensorEvent event) {
+        mHandler.post(()-> {
+            float[] rawValues = event.getValues();
+            boolean wakeEvent = rawValues != null && rawValues.length > 0 && rawValues[0] != 0;
+
+            DozeLog.traceLockScreenWakeUp(wakeEvent);
+            if (wakeEvent && mDozing) {
+                mDozeHost.setPassiveInterrupt(true);
+                if (DEBUG) Log.d(TAG, "Wake up.");
+                mPowerManager.wakeUp(SystemClock.uptimeMillis(), "com.android.systemui:NODOZE");
+            } else if (!wakeEvent && !mDozing) {
+                if (DEBUG) Log.d(TAG, "Nap time.");
+                mPowerManager.goToSleep(SystemClock.uptimeMillis(),
+                        PowerManager.GO_TO_SLEEP_REASON_SLEEP_BUTTON, 0);
+            } else if (DEBUG) {
+                Log.d(TAG, "Skip sensor event. Wake? " + wakeEvent + " dozing: " + mDozing);
+            }
+        });
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java b/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
index d8f7b71..6939ae7 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/tiles/WifiTile.java
@@ -47,6 +47,7 @@
 import com.android.systemui.statusbar.policy.NetworkController.AccessPointController;
 import com.android.systemui.statusbar.policy.NetworkController.IconState;
 import com.android.systemui.statusbar.policy.NetworkController.SignalCallback;
+import com.android.systemui.statusbar.policy.WifiIcons;
 
 import java.util.List;
 
@@ -190,7 +191,7 @@
         } else if (!state.value) {
             state.slash.isSlashed = true;
             state.state = Tile.STATE_INACTIVE;
-            state.icon = ResourceIcon.get(R.drawable.ic_qs_wifi_disabled);
+            state.icon = ResourceIcon.get(WifiIcons.QS_WIFI_DISABLED);
             state.label = r.getString(R.string.quick_settings_wifi_label);
         } else if (wifiConnected) {
             state.icon = ResourceIcon.get(cb.wifiSignalIconId);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/LightBarController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/LightBarController.java
index 67b077e..7c30e48 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/LightBarController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/LightBarController.java
@@ -76,11 +76,14 @@
     private final Rect mLastDockedBounds = new Rect();
     private boolean mQsCustomizing;
 
+    private final Context mContext;
+
     public LightBarController(Context ctx) {
         mDarkModeColor = Color.valueOf(ctx.getColor(R.color.dark_mode_icon_color_single_tone));
         mStatusBarIconController = Dependency.get(DarkIconDispatcher.class);
         mBatteryController = Dependency.get(BatteryController.class);
         mBatteryController.addCallback(this);
+        mContext = ctx;
     }
 
     public void setNavigationBar(LightBarTransitionsController navigationBar) {
@@ -217,8 +220,9 @@
 
     private void updateNavigation() {
         if (mNavigationBarController != null) {
-            mNavigationBarController.setIconsDark(
-                    mNavigationLight, animateChange());
+            if (!NavBarTintController.isEnabled(mContext)) {
+                mNavigationBarController.setIconsDark(mNavigationLight, animateChange());
+            }
         }
     }
 
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/LightBarTransitionsController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/LightBarTransitionsController.java
index 57cc7d6..7876aa5 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/LightBarTransitionsController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/LightBarTransitionsController.java
@@ -16,12 +16,16 @@
 
 package com.android.systemui.statusbar.phone;
 
+import static com.android.systemui.statusbar.phone.NavBarTintController.MIN_COLOR_ADAPT_TRANSITION_TIME;
+import static com.android.systemui.statusbar.phone.NavBarTintController.NAV_COLOR_TRANSITION_TIME_SETTING;
+
 import android.animation.ValueAnimator;
 import android.content.Context;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.SystemClock;
 import android.util.MathUtils;
+import android.provider.Settings;
 import android.util.TimeUtils;
 
 import com.android.systemui.Dependency;
@@ -42,13 +46,14 @@
 public class LightBarTransitionsController implements Dumpable, Callbacks,
         StatusBarStateController.StateListener {
 
-    public static final long DEFAULT_TINT_ANIMATION_DURATION = 120;
+    public static final int DEFAULT_TINT_ANIMATION_DURATION = 120;
     private static final String EXTRA_DARK_INTENSITY = "dark_intensity";
 
     private final Handler mHandler;
     private final DarkIntensityApplier mApplier;
     private final KeyguardMonitor mKeyguardMonitor;
     private final StatusBarStateController mStatusBarStateController;
+    private NavBarTintController mColorAdaptionController;
 
     private boolean mTransitionDeferring;
     private long mTransitionDeferringStartTime;
@@ -67,6 +72,8 @@
         }
     };
 
+    private final Context mContext;
+
     public LightBarTransitionsController(Context context, DarkIntensityApplier applier) {
         mApplier = applier;
         mHandler = new Handler();
@@ -76,6 +83,7 @@
                 .addCallback(this);
         mStatusBarStateController.addCallback(this);
         mDozeAmount = mStatusBarStateController.getDozeAmount();
+        mContext = context;
     }
 
     public void destroy(Context context) {
@@ -106,7 +114,7 @@
     public void appTransitionCancelled() {
         if (mTransitionPending && mTintChangePending) {
             mTintChangePending = false;
-            animateIconTint(mPendingDarkIntensity, 0 /* delay */, DEFAULT_TINT_ANIMATION_DURATION);
+            animateIconTint(mPendingDarkIntensity, 0 /* delay */, getTintAnimationDuration());
         }
         mTransitionPending = false;
     }
@@ -146,10 +154,19 @@
                     Math.max(0, mTransitionDeferringStartTime - SystemClock.uptimeMillis()),
                     mTransitionDeferringDuration);
         } else {
-            animateIconTint(dark ? 1.0f : 0.0f, 0 /* delay */, DEFAULT_TINT_ANIMATION_DURATION);
+            animateIconTint(dark ? 1.0f : 0.0f, 0 /* delay */, getTintAnimationDuration());
         }
     }
 
+    public long getTintAnimationDuration() {
+        if (NavBarTintController.isEnabled(mContext)) {
+            return Math.max(Settings.Global.getInt(mContext.getContentResolver(),
+                    NAV_COLOR_TRANSITION_TIME_SETTING, DEFAULT_TINT_ANIMATION_DURATION),
+                    MIN_COLOR_ADAPT_TRANSITION_TIME);
+        }
+        return DEFAULT_TINT_ANIMATION_DURATION;
+    }
+
     public float getCurrentDarkIntensity() {
         return mDarkIntensity;
     }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavBarTintController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavBarTintController.java
new file mode 100644
index 0000000..9ecee18
--- /dev/null
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavBarTintController.java
@@ -0,0 +1,208 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.statusbar.phone;
+
+import android.content.Context;
+import android.graphics.Bitmap;
+import android.graphics.Bitmap.Config;
+import android.graphics.Color;
+import android.graphics.Rect;
+import android.os.Handler;
+import android.os.HandlerThread;
+import android.os.Looper;
+import android.provider.Settings;
+import android.util.DisplayMetrics;
+import android.view.SurfaceControl;
+
+public class NavBarTintController {
+    public static final String NAV_COLOR_TRANSITION_TIME_SETTING = "navbar_color_adapt_transition";
+    public static final int MIN_COLOR_ADAPT_TRANSITION_TIME = 400;
+
+    private final HandlerThread mColorAdaptHandlerThread = new HandlerThread("ColorExtractThread");
+    private Handler mColorAdaptionHandler;
+
+    // Poll time for each iteration to color sample
+    private static final int COLOR_ADAPTION_TIMEOUT = 300;
+
+    // Passing the threshold of this luminance value will make the button black otherwise white
+    private static final float LUMINANCE_THRESHOLD = 0.3f;
+
+    // The home button's icon is actually smaller than the button's size, the percentage will
+    // cut into the button's size to determine the icon size
+    private static final float PERCENTAGE_BUTTON_PADDING = 0.3f;
+
+    // The distance from the home button to color sample around
+    private static final int COLOR_SAMPLE_MARGIN = 20;
+
+    private boolean mRunning;
+
+    private final NavigationBarView mNavigationBarView;
+    private final LightBarTransitionsController mLightBarController;
+    private final Handler mMainHandler = new Handler(Looper.getMainLooper());
+
+    public NavBarTintController(NavigationBarView navigationBarView,
+            LightBarTransitionsController lightBarController) {
+        mNavigationBarView = navigationBarView;
+        mLightBarController = lightBarController;
+    }
+
+    public void start() {
+        if (!isEnabled(mNavigationBarView.getContext())) {
+            return;
+        }
+        if (mColorAdaptionHandler == null) {
+            mColorAdaptHandlerThread.start();
+            mColorAdaptionHandler = new Handler(mColorAdaptHandlerThread.getLooper());
+        }
+        mColorAdaptionHandler.removeCallbacksAndMessages(null);
+        mColorAdaptionHandler.post(this::updateTint);
+        mRunning = true;
+    }
+
+    public void end() {
+        if (mColorAdaptionHandler != null) {
+            mColorAdaptionHandler.removeCallbacksAndMessages(null);
+        }
+        mRunning = false;
+    }
+
+    public void stop() {
+        end();
+        if (mColorAdaptionHandler != null) {
+            mColorAdaptHandlerThread.quitSafely();
+        }
+    }
+
+    private void updateTint() {
+        int[] navPos = new int[2];
+        int[] butPos = new int[2];
+        if (mNavigationBarView.getHomeButton().getCurrentView() == null) {
+            return;
+        }
+
+        // Determine the area of the home icon in the larger home button
+        mNavigationBarView.getHomeButton().getCurrentView().getLocationInSurface(butPos);
+        final int navWidth = mNavigationBarView.getHomeButton().getCurrentView().getWidth();
+        final int navHeight = mNavigationBarView.getHomeButton().getCurrentView().getHeight();
+        final int xPadding = (int) (PERCENTAGE_BUTTON_PADDING * navWidth);
+        final int yPadding = (int) (PERCENTAGE_BUTTON_PADDING * navHeight);
+        final Rect homeButtonRect = new Rect(butPos[0] + xPadding, butPos[1] + yPadding,
+                navWidth + butPos[0]  - xPadding, navHeight + butPos[1] - yPadding);
+        if (mNavigationBarView.getCurrentView() == null || homeButtonRect.isEmpty()) {
+            scheduleColorAdaption();
+            return;
+        }
+        mNavigationBarView.getCurrentView().getLocationOnScreen(navPos);
+        homeButtonRect.offset(navPos[0], navPos[1]);
+
+        // Apply a margin area around the button region to sample the colors, crop from screenshot
+        final Rect cropRect = new Rect(homeButtonRect);
+        cropRect.inset(-COLOR_SAMPLE_MARGIN, -COLOR_SAMPLE_MARGIN);
+        if (cropRect.isEmpty()) {
+            scheduleColorAdaption();
+            return;
+        }
+
+        // Determine the size of the home area
+        Rect homeArea = new Rect(COLOR_SAMPLE_MARGIN, COLOR_SAMPLE_MARGIN,
+                homeButtonRect.width() + COLOR_SAMPLE_MARGIN,
+                homeButtonRect.height() + COLOR_SAMPLE_MARGIN);
+
+        // Get the screenshot around the home button icon to determine the color
+        DisplayMetrics mDisplayMetrics = new DisplayMetrics();
+        mNavigationBarView.getContext().getDisplay().getRealMetrics(mDisplayMetrics);
+        final Bitmap hardBitmap = SurfaceControl
+                .screenshot(new Rect(), mDisplayMetrics.widthPixels, mDisplayMetrics.heightPixels,
+                        mNavigationBarView.getContext().getDisplay().getRotation());
+        if (hardBitmap != null && cropRect.bottom <= hardBitmap.getHeight()) {
+            final Bitmap cropBitmap = Bitmap.createBitmap(hardBitmap, cropRect.left, cropRect.top,
+                    cropRect.width(), cropRect.height());
+            final Bitmap softBitmap = cropBitmap.copy(Config.ARGB_8888, false);
+
+            // Get the luminance value to determine if the home button should be black or white
+            final int[] pixels = new int[softBitmap.getByteCount() / 4];
+            softBitmap.getPixels(pixels, 0, softBitmap.getWidth(), 0, 0, softBitmap.getWidth(),
+                    softBitmap.getHeight());
+            float r = 0, g = 0, blue = 0;
+
+            int width = cropRect.width();
+            int total = 0;
+            for (int i = 0; i < pixels.length; i += 4) {
+                int x = i % width;
+                int y = i / width;
+                if (!homeArea.contains(x, y)) {
+                    r += Color.red(pixels[i]);
+                    g += Color.green(pixels[i]);
+                    blue += Color.blue(pixels[i]);
+                    total++;
+                }
+            }
+
+            r /= total;
+            g /= total;
+            blue /= total;
+
+            r = Math.max(Math.min(r / 255f, 1), 0);
+            g = Math.max(Math.min(g / 255f, 1), 0);
+            blue = Math.max(Math.min(blue / 255f, 1), 0);
+
+            if (r <= 0.03928) {
+                r /= 12.92;
+            } else {
+                r = (float) Math.pow((r + 0.055) / 1.055, 2.4);
+            }
+            if (g <= 0.03928) {
+                g /= 12.92;
+            } else {
+                g = (float) Math.pow((g + 0.055) / 1.055, 2.4);
+            }
+            if (blue <= 0.03928) {
+                blue /= 12.92;
+            } else {
+                blue = (float) Math.pow((blue + 0.055) / 1.055, 2.4);
+            }
+
+            if (r * 0.2126 + g * 0.7152 + blue * 0.0722 > LUMINANCE_THRESHOLD) {
+                // Black
+                mMainHandler.post(
+                        () -> mLightBarController
+                                .setIconsDark(true /* dark */, true /* animate */));
+            } else {
+                // White
+                mMainHandler.post(
+                        () -> mLightBarController
+                                .setIconsDark(false /* dark */, true /* animate */));
+            }
+            cropBitmap.recycle();
+            hardBitmap.recycle();
+        }
+        scheduleColorAdaption();
+    }
+
+    private void scheduleColorAdaption() {
+        mColorAdaptionHandler.removeCallbacksAndMessages(null);
+        if (!mRunning || !isEnabled(mNavigationBarView.getContext())) {
+            return;
+        }
+        mColorAdaptionHandler.postDelayed(this::updateTint, COLOR_ADAPTION_TIMEOUT);
+    }
+
+    public static boolean isEnabled(Context context) {
+        return Settings.Global.getInt(context.getContentResolver(),
+                NavigationPrototypeController.NAV_COLOR_ADAPT_ENABLE_SETTING, 0) == 1;
+    }
+}
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarFragment.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarFragment.java
index ae0a14529..55655d5 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarFragment.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarFragment.java
@@ -851,6 +851,16 @@
             if (Intent.ACTION_SCREEN_OFF.equals(action)
                     || Intent.ACTION_SCREEN_ON.equals(action)) {
                 notifyNavigationBarScreenOn();
+
+                if (Intent.ACTION_SCREEN_ON.equals(action)) {
+                    // Enabled and screen is on, start it again if enabled
+                    if (NavBarTintController.isEnabled(getContext())) {
+                        mNavigationBarView.getColorAdaptionController().start();
+                    }
+                } else {
+                    // Screen off disable it
+                    mNavigationBarView.getColorAdaptionController().end();
+                }
             }
             if (Intent.ACTION_USER_SWITCHED.equals(action)) {
                 // The accessibility settings may be different for the new user
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 30e8409..6a7983a 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationBarView.java
@@ -149,6 +149,7 @@
     private RecentsOnboarding mRecentsOnboarding;
     private NotificationPanelView mPanelView;
 
+    private NavBarTintController mColorAdaptionController;
     private NavigationPrototypeController mPrototypeController;
     private NavigationGestureAction[] mDefaultGestureMap;
     private QuickScrubAction mQuickScrubAction;
@@ -277,6 +278,15 @@
         public void onBackButtonVisibilityChanged(boolean visible) {
             getBackButton().setVisibility(visible ? VISIBLE : GONE);
         }
+
+        @Override
+        public void onColorAdaptChanged(boolean enabled) {
+            if (enabled) {
+                mColorAdaptionController.start();
+            } else {
+                mColorAdaptionController.end();
+            }
+        }
     };
 
     public NavigationBarView(Context context, AttributeSet attrs) {
@@ -334,6 +344,11 @@
         mPrototypeController = new NavigationPrototypeController(mHandler, mContext);
         mPrototypeController.register();
         mPrototypeController.setOnPrototypeChangedListener(mPrototypeListener);
+        mColorAdaptionController = new NavBarTintController(this, getLightTransitionsController());
+    }
+
+    public NavBarTintController getColorAdaptionController() {
+        return mColorAdaptionController;
     }
 
     public BarTransitions getBarTransitions() {
@@ -1097,6 +1112,7 @@
         Dependency.get(PluginManager.class).addPluginListener(this,
                 NavGesture.class, false /* Only one */);
         setUpSwipeUpOnboarding(isQuickStepSwipeUpEnabled());
+        mColorAdaptionController.start();
     }
 
     @Override
@@ -1107,6 +1123,7 @@
             mGestureHelper.destroy();
         }
         mPrototypeController.unregister();
+        mColorAdaptionController.stop();
         setUpSwipeUpOnboarding(false);
         for (int i = 0; i < mButtonDispatchers.size(); ++i) {
             mButtonDispatchers.valueAt(i).onDestroy();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationPrototypeController.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationPrototypeController.java
index b11b6d4..40ac793 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationPrototypeController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/NavigationPrototypeController.java
@@ -37,6 +37,7 @@
 
     static final String NAVBAR_EXPERIMENTS_DISABLED = "navbarexperiments_disabled";
     private final String GESTURE_MATCH_SETTING = "quickstepcontroller_gesture_match_map";
+    public static final String NAV_COLOR_ADAPT_ENABLE_SETTING = "navbar_color_adapt_enable";
 
     @Retention(RetentionPolicy.SOURCE)
     @IntDef({ACTION_DEFAULT, ACTION_QUICKSTEP, ACTION_QUICKSCRUB, ACTION_BACK})
@@ -73,6 +74,7 @@
     public void register() {
         registerObserver(HIDE_BACK_BUTTON_SETTING);
         registerObserver(GESTURE_MATCH_SETTING);
+        registerObserver(NAV_COLOR_ADAPT_ENABLE_SETTING);
     }
 
     /**
@@ -96,6 +98,9 @@
                 } else if (path.endsWith(HIDE_BACK_BUTTON_SETTING)) {
                     mListener.onBackButtonVisibilityChanged(
                             !getGlobalBool(HIDE_BACK_BUTTON_SETTING));
+                } else if (path.endsWith(NAV_COLOR_ADAPT_ENABLE_SETTING)) {
+                    mListener.onColorAdaptChanged(
+                            NavBarTintController.isEnabled(mContext));
                 }
             } catch (SettingNotFoundException e) {
                 e.printStackTrace();
@@ -138,5 +143,6 @@
     public interface OnPrototypeChangedListener {
         void onGestureRemap(@GestureAction int[] actions);
         void onBackButtonVisibilityChanged(boolean visible);
+        void onColorAdaptChanged(boolean enabled);
     }
 }
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 a508f1b..75e5cba 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/StatusBar.java
@@ -148,6 +148,7 @@
 import com.android.systemui.doze.DozeHost;
 import com.android.systemui.doze.DozeLog;
 import com.android.systemui.doze.DozeReceiver;
+import com.android.systemui.doze.LockScreenWakeUpController;
 import com.android.systemui.fragments.ExtensionFragmentListener;
 import com.android.systemui.fragments.FragmentHostManager;
 import com.android.systemui.keyguard.KeyguardViewMediator;
@@ -581,6 +582,7 @@
     protected NotificationPresenter mPresenter;
     private NotificationActivityStarter mNotificationActivityStarter;
     private boolean mPulsing;
+    private LockScreenWakeUpController mLockScreenWakeUpController;
 
     @Override
     public void onActiveStateChanged(int code, int uid, String packageName, boolean active) {
@@ -984,6 +986,7 @@
         for (int i = 0; i < pattern.length; i++) {
             mCameraLaunchGestureVibePattern[i] = pattern[i];
         }
+        mLockScreenWakeUpController = new LockScreenWakeUpController(mContext, mDozeServiceHost);
 
         // receive broadcasts
         IntentFilter filter = new IntentFilter();
@@ -2227,6 +2230,11 @@
             mNavigationBar.getBarTransitions().setAutoDim(false);
         }
         mHandler.removeCallbacks(mAutoDim);
+
+        // Do not dim the navigation buttons if the its tint is controlled by the bar's background
+        if (NavBarTintController.isEnabled(mContext)) {
+            return;
+        }
         if (mState != StatusBarState.KEYGUARD && mState != StatusBarState.SHADE_LOCKED) {
             mHandler.postDelayed(mAutoDim, AUTOHIDE_TIMEOUT_MS);
         }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/AccessPointControllerImpl.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/AccessPointControllerImpl.java
index 6ee6cb2..53d0228 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/AccessPointControllerImpl.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/AccessPointControllerImpl.java
@@ -28,7 +28,6 @@
 import com.android.settingslib.wifi.AccessPoint;
 import com.android.settingslib.wifi.WifiTracker;
 import com.android.settingslib.wifi.WifiTracker.WifiListener;
-import com.android.systemui.R;
 
 import java.io.PrintWriter;
 import java.util.ArrayList;
@@ -43,13 +42,7 @@
     // network credentials.  This is used by quick settings for secured networks.
     private static final String EXTRA_START_CONNECT_SSID = "wifi_start_connect_ssid";
 
-    private static final int[] ICONS = {
-        R.drawable.ic_qs_wifi_full_0,
-        R.drawable.ic_qs_wifi_full_1,
-        R.drawable.ic_qs_wifi_full_2,
-        R.drawable.ic_qs_wifi_full_3,
-        R.drawable.ic_qs_wifi_full_4,
-    };
+    private static final int[] ICONS = WifiIcons.WIFI_FULL_ICONS;
 
     private final Context mContext;
     private final ArrayList<AccessPointCallback> mCallbacks = new ArrayList<AccessPointCallback>();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/WifiIcons.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/WifiIcons.java
index 374408d..f629863 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/WifiIcons.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/WifiIcons.java
@@ -32,19 +32,24 @@
               R.drawable.stat_sys_wifi_signal_4_fully }
         };
 
+    static final int[] WIFI_FULL_ICONS = {
+            com.android.internal.R.drawable.ic_wifi_signal_0,
+            com.android.internal.R.drawable.ic_wifi_signal_1,
+            com.android.internal.R.drawable.ic_wifi_signal_2,
+            com.android.internal.R.drawable.ic_wifi_signal_3,
+            com.android.internal.R.drawable.ic_wifi_signal_4
+    };
+
     public static final int[][] QS_WIFI_SIGNAL_STRENGTH = {
             { R.drawable.ic_qs_wifi_0,
               R.drawable.ic_qs_wifi_1,
               R.drawable.ic_qs_wifi_2,
               R.drawable.ic_qs_wifi_3,
               R.drawable.ic_qs_wifi_4 },
-            { R.drawable.ic_qs_wifi_full_0,
-              R.drawable.ic_qs_wifi_full_1,
-              R.drawable.ic_qs_wifi_full_2,
-              R.drawable.ic_qs_wifi_full_3,
-              R.drawable.ic_qs_wifi_full_4 }
+            WIFI_FULL_ICONS
         };
 
+    public static final int QS_WIFI_DISABLED = com.android.internal.R.drawable.ic_wifi_signal_0;
     static final int QS_WIFI_NO_NETWORK = R.drawable.ic_qs_wifi_no_network;
     static final int WIFI_NO_NETWORK = R.drawable.stat_sys_wifi_signal_null;
 
diff --git a/packages/SystemUI/src/com/android/systemui/util/AsyncSensorManager.java b/packages/SystemUI/src/com/android/systemui/util/AsyncSensorManager.java
index 0dd8937..88cbbb5 100644
--- a/packages/SystemUI/src/com/android/systemui/util/AsyncSensorManager.java
+++ b/packages/SystemUI/src/com/android/systemui/util/AsyncSensorManager.java
@@ -76,8 +76,9 @@
     }
 
     @Override
-    protected boolean registerListenerImpl(SensorEventListener listener, Sensor sensor, int delayUs,
-            Handler handler, int maxReportLatencyUs, int reservedFlags) {
+    protected boolean registerListenerImpl(SensorEventListener listener,
+            Sensor sensor, int delayUs, Handler handler, int maxReportLatencyUs,
+            int reservedFlags) {
         mHandler.post(() -> {
             if (!mInner.registerListener(listener, sensor, delayUs, maxReportLatencyUs, handler)) {
                 Log.e(TAG, "Registering " + listener + " for " + sensor + " failed.");
@@ -146,23 +147,28 @@
      * @param sensor
      * @param listener
      */
-    public void requestPluginTriggerSensor(SensorManagerPlugin.Sensor sensor,
-            SensorManagerPlugin.TriggerEventListener listener) {
+    public void registerPluginListener(SensorManagerPlugin.Sensor sensor,
+            SensorManagerPlugin.SensorEventListener listener) {
         if (mPlugins.isEmpty()) {
             Log.w(TAG, "No plugins registered");
         }
         mHandler.post(() -> {
             for (int i = 0; i < mPlugins.size(); i++) {
-                mPlugins.get(i).registerTriggerEvent(sensor, listener);
+                mPlugins.get(i).registerListener(sensor, listener);
             }
         });
     }
 
-    public void cancelPluginTriggerSensor(SensorManagerPlugin.Sensor sensor,
-            SensorManagerPlugin.TriggerEventListener listener) {
+    /**
+     * Unregisters all sensors that match the give type for all plugins.
+     * @param sensor
+     * @param listener
+     */
+    public void unregisterPluginListener(SensorManagerPlugin.Sensor sensor,
+            SensorManagerPlugin.SensorEventListener listener) {
         mHandler.post(() -> {
             for (int i = 0; i < mPlugins.size(); i++) {
-                mPlugins.get(i).unregisterTriggerEvent(sensor, listener);
+                mPlugins.get(i).unregisterListener(sensor, listener);
             }
         });
     }
@@ -185,7 +191,8 @@
     }
 
     @Override
-    protected void unregisterListenerImpl(SensorEventListener listener, Sensor sensor) {
+    protected void unregisterListenerImpl(SensorEventListener listener,
+            Sensor sensor) {
         mHandler.post(() -> {
             if (sensor == null) {
                 mInner.unregisterListener(listener);
diff --git a/packages/SystemUI/tests/src/com/android/systemui/doze/LockScreenWakeUpControllerTest.java b/packages/SystemUI/tests/src/com/android/systemui/doze/LockScreenWakeUpControllerTest.java
new file mode 100644
index 0000000..8963b59
--- /dev/null
+++ b/packages/SystemUI/tests/src/com/android/systemui/doze/LockScreenWakeUpControllerTest.java
@@ -0,0 +1,142 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.systemui.doze;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyLong;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.doAnswer;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.os.Handler;
+import android.os.PowerManager;
+import android.support.test.filters.SmallTest;
+
+import com.android.internal.hardware.AmbientDisplayConfiguration;
+import com.android.systemui.SysuiTestCase;
+import com.android.systemui.plugins.SensorManagerPlugin;
+import com.android.systemui.statusbar.StatusBarState;
+import com.android.systemui.statusbar.StatusBarStateController;
+import com.android.systemui.util.AsyncSensorManager;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.JUnit4;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(JUnit4.class)
+@SmallTest
+public class LockScreenWakeUpControllerTest extends SysuiTestCase {
+
+    @Mock
+    private AsyncSensorManager mAsyncSensorManager;
+    @Mock
+    private SensorManagerPlugin.Sensor mSensor;
+    @Mock
+    private AmbientDisplayConfiguration mAmbientDisplayConfiguration;
+    @Mock
+    private PowerManager mPowerManager;
+    @Mock
+    private DozeHost mDozeHost;
+    @Mock
+    private StatusBarStateController mStatusBarStateController;
+    @Mock
+    private Handler mHandler;
+
+    private LockScreenWakeUpController mLockScreenWakeUpController;
+
+    @Before
+    public void setup() {
+        MockitoAnnotations.initMocks(this);
+        doAnswer(invocation -> {
+            ((Runnable) invocation.getArgument(0)).run();
+            return null;
+        }).when(mHandler).post(any());
+
+        mLockScreenWakeUpController = new LockScreenWakeUpController(mAsyncSensorManager, mSensor,
+                mAmbientDisplayConfiguration, mPowerManager, mDozeHost, mStatusBarStateController,
+                mHandler);
+    }
+
+    @Test
+    public void testOnStateChanged_registersUnregistersListener() {
+        when(mAmbientDisplayConfiguration.wakeLockScreenGestureEnabled(anyInt())).thenReturn(true);
+        mLockScreenWakeUpController.onStateChanged(StatusBarState.KEYGUARD);
+        mLockScreenWakeUpController.onStateChanged(StatusBarState.SHADE);
+
+        verify(mAsyncSensorManager, times(1)).registerPluginListener(eq(mSensor),
+                eq(mLockScreenWakeUpController));
+
+        mLockScreenWakeUpController.onStateChanged(StatusBarState.SHADE);
+        verify(mAsyncSensorManager).unregisterPluginListener(eq(mSensor),
+                eq(mLockScreenWakeUpController));
+    }
+
+    @Test
+    public void testOnStateChanged_disabledSensor() {
+        when(mAmbientDisplayConfiguration.wakeLockScreenGestureEnabled(anyInt()))
+                .thenReturn(false);
+        mLockScreenWakeUpController.onStateChanged(StatusBarState.KEYGUARD);
+        mLockScreenWakeUpController.onStateChanged(StatusBarState.SHADE);
+
+        verify(mAsyncSensorManager, never()).registerPluginListener(eq(mSensor),
+                eq(mLockScreenWakeUpController));
+    }
+
+    @Test
+    public void testOnSensorChanged_postsToMainThread() {
+        SensorManagerPlugin.SensorEvent event = new SensorManagerPlugin.SensorEvent(mSensor, 0);
+        mLockScreenWakeUpController.onSensorChanged(event);
+
+        verify(mHandler).post(any());
+    }
+
+    @Test
+    public void testOnSensorChanged_wakeUpWhenDozing() {
+        SensorManagerPlugin.SensorEvent event =
+                new SensorManagerPlugin.SensorEvent(mSensor, 0, new float[] {1});
+        mLockScreenWakeUpController.onSensorChanged(event);
+        verify(mPowerManager, never()).wakeUp(anyLong(), any());
+
+        mLockScreenWakeUpController.onDozingChanged(true);
+        mLockScreenWakeUpController.onSensorChanged(event);
+        verify(mPowerManager).wakeUp(anyLong(), any());
+    }
+
+    @Test
+    public void testOnSensorChanged_sleepsWhenAwake() {
+        boolean[] goToSleep = new boolean[] {false};
+        doAnswer(invocation -> goToSleep[0] = true)
+                .when(mPowerManager).goToSleep(anyLong(), anyInt(), anyInt());
+        SensorManagerPlugin.SensorEvent event =
+                new SensorManagerPlugin.SensorEvent(mSensor, 0, new float[] {0});
+        mLockScreenWakeUpController.onDozingChanged(true);
+        mLockScreenWakeUpController.onSensorChanged(event);
+        Assert.assertFalse("goToSleep should have never been called.", goToSleep[0]);
+
+        mLockScreenWakeUpController.onDozingChanged(false);
+        mLockScreenWakeUpController.onSensorChanged(event);
+        Assert.assertTrue("goToSleep should have been called.", goToSleep[0]);
+    }
+}
diff --git a/proto/src/metrics_constants/metrics_constants.proto b/proto/src/metrics_constants/metrics_constants.proto
index 66d64b1..529d78f 100644
--- a/proto/src/metrics_constants/metrics_constants.proto
+++ b/proto/src/metrics_constants/metrics_constants.proto
@@ -6649,6 +6649,21 @@
     // OS: Q
     QS_SENSOR_PRIVACY = 1598;
 
+    // Tagged data for SMART_REPLY_VISIBLE. Count of number of smart actions.
+    // OS: Q
+    NOTIFICATION_SMART_ACTION_COUNT = 1599;
+
+    // Tagged data for SMART_REPLY_VISIBLE and NOTIFICATION_ITEM_ACTION.
+    // Whether the notification has notification-assistant generated
+    // actions/replies.
+    // OS: Q
+    NOTIFICATION_SMART_SUGGESTION_ASSISTANT_GENERATED = 1600;
+
+    // Tagged data for NOTIFICATION_ITEM_ACTION. Whether the action is a smart
+    // action.
+    // OS: Q
+    NOTIFICATION_ACTION_IS_SMART = 1601;
+
     // ---- End Q Constants, all Q constants go above this line ----
 
     // Add new aosp constants above this line.
diff --git a/services/core/java/com/android/server/AlarmManagerService.java b/services/core/java/com/android/server/AlarmManagerService.java
index 08034f7..0fa996e 100644
--- a/services/core/java/com/android/server/AlarmManagerService.java
+++ b/services/core/java/com/android/server/AlarmManagerService.java
@@ -1123,8 +1123,6 @@
         rescheduleKernelAlarmsLocked();
         updateNextAlarmClockLocked();
 
-        // And send a TIME_TICK right now, since it is important to get the UI updated.
-        mHandler.post(() ->  getContext().sendBroadcastAsUser(mTimeTickIntent, UserHandle.ALL));
     }
 
     static final class InFlight {
@@ -1298,7 +1296,7 @@
         mInjector.init();
 
         synchronized (mLock) {
-            mHandler = new AlarmHandler(Looper.myLooper());
+            mHandler = new AlarmHandler();
             mConstants = new Constants(mHandler);
 
             mNextWakeup = mNextNonWakeup = 0;
@@ -3050,6 +3048,9 @@
                         mNonInteractiveTime = dur;
                     }
                 }
+                // And send a TIME_TICK right now, since it is important to get the UI updated.
+                mHandler.post(() ->
+                        getContext().sendBroadcastAsUser(mTimeTickIntent, UserHandle.ALL));
             } else {
                 mNonInteractiveStartTime = nowELAPSED;
             }
@@ -3838,7 +3839,8 @@
         mWakeLock.setWorkSource(null);
     }
 
-    private class AlarmHandler extends Handler {
+    @VisibleForTesting
+    class AlarmHandler extends Handler {
         public static final int ALARM_EVENT = 1;
         public static final int SEND_NEXT_ALARM_CLOCK_CHANGED = 2;
         public static final int LISTENER_TIMEOUT = 3;
@@ -3847,8 +3849,8 @@
         public static final int APP_STANDBY_PAROLE_CHANGED = 6;
         public static final int REMOVE_FOR_STOPPED = 7;
 
-        AlarmHandler(Looper looper) {
-            super(looper);
+        AlarmHandler() {
+            super(Looper.myLooper());
         }
 
         public void postRemoveForStopped(int uid) {
@@ -3961,8 +3963,8 @@
 
             final WorkSource workSource = null; // Let system take blame for time tick events.
             setImpl(ELAPSED_REALTIME, mInjector.getElapsedRealtime() + tickEventDelay, 0,
-                    0, null, mTimeTickTrigger, null, AlarmManager.FLAG_STANDALONE, workSource,
-                    null, Process.myUid(), "android");
+                    0, null, mTimeTickTrigger, "TIME_TICK", AlarmManager.FLAG_STANDALONE,
+                    workSource, null, Process.myUid(), "android");
 
             // Finally, remember when we set the tick alarm
             synchronized (mLock) {
diff --git a/services/core/java/com/android/server/TelephonyRegistry.java b/services/core/java/com/android/server/TelephonyRegistry.java
index b6c4921..1ef3e94 100644
--- a/services/core/java/com/android/server/TelephonyRegistry.java
+++ b/services/core/java/com/android/server/TelephonyRegistry.java
@@ -1684,7 +1684,9 @@
         }
 
         synchronized (mRecords) {
-            mEmergencyNumberList = TelephonyManager.getDefault().getCurrentEmergencyNumberList();
+            TelephonyManager tm = (TelephonyManager) mContext.getSystemService(
+                    Context.TELEPHONY_SERVICE);
+            mEmergencyNumberList = tm.getCurrentEmergencyNumberList();
 
             for (Record r : mRecords) {
                 if (r.matchPhoneStateListenerEvent(
diff --git a/services/core/java/com/android/server/am/MemoryStatUtil.java b/services/core/java/com/android/server/am/MemoryStatUtil.java
index 90fe30c..a584914 100644
--- a/services/core/java/com/android/server/am/MemoryStatUtil.java
+++ b/services/core/java/com/android/server/am/MemoryStatUtil.java
@@ -123,9 +123,8 @@
      * if the file is not available.
      */
     public static String readCmdlineFromProcfs(int pid) {
-        String path = String.format(Locale.US, PROC_CMDLINE_FILE_FMT, pid);
-        String cmdline = readFileContents(path);
-        return cmdline != null ? cmdline : "";
+        final String path = String.format(Locale.US, PROC_CMDLINE_FILE_FMT, pid);
+        return parseCmdlineFromProcfs(readFileContents(path));
     }
 
     private static String readFileContents(String path) {
@@ -210,6 +209,24 @@
         return m.find() ? Long.parseLong(m.group(1)) * BYTES_IN_KILOBYTE : 0;
     }
 
+
+    /**
+     * Parses cmdline out of the contents of the /proc/pid/cmdline file in procfs.
+     *
+     * Parsing is required to strip anything after first null byte.
+     */
+    @VisibleForTesting
+    static String parseCmdlineFromProcfs(String cmdline) {
+        if (cmdline == null) {
+            return "";
+        }
+        int firstNullByte = cmdline.indexOf("\0");
+        if (firstNullByte == -1) {
+            return cmdline;
+        }
+        return cmdline.substring(0, firstNullByte);
+    }
+
     /**
      * Returns whether per-app memcg is available on device.
      */
diff --git a/services/core/java/com/android/server/connectivity/NetdEventListenerService.java b/services/core/java/com/android/server/connectivity/NetdEventListenerService.java
index 422f556..e40949b 100644
--- a/services/core/java/com/android/server/connectivity/NetdEventListenerService.java
+++ b/services/core/java/com/android/server/connectivity/NetdEventListenerService.java
@@ -217,6 +217,19 @@
     @Override
     // Called concurrently by multiple binder threads.
     // This method must not block or perform long-running operations.
+    public synchronized void onNat64PrefixEvent(int netId,
+            boolean added, String prefixString, int prefixLength)
+            throws RemoteException {
+        for (INetdEventCallback callback : mNetdEventCallbackList) {
+            if (callback != null) {
+                callback.onNat64PrefixEvent(netId, added, prefixString, prefixLength);
+            }
+        }
+    }
+
+    @Override
+    // Called concurrently by multiple binder threads.
+    // This method must not block or perform long-running operations.
     public synchronized void onPrivateDnsValidationEvent(int netId,
             String ipAddress, String hostname, boolean validated)
             throws RemoteException {
diff --git a/services/core/java/com/android/server/input/InputManagerService.java b/services/core/java/com/android/server/input/InputManagerService.java
index e7c3c7b..d96b6cb 100644
--- a/services/core/java/com/android/server/input/InputManagerService.java
+++ b/services/core/java/com/android/server/input/InputManagerService.java
@@ -1951,11 +1951,6 @@
     }
 
     // Native callback.
-    private int getPointerDisplayId() {
-        return mWindowManagerCallbacks.getPointerDisplayId();
-    }
-
-    // Native callback.
     private String[] getKeyboardLayoutOverlay(InputDeviceIdentifier identifier) {
         if (!mSystemReady) {
             return null;
@@ -2022,8 +2017,6 @@
                 KeyEvent event, int policyFlags);
 
         public int getPointerLayer();
-
-        public int getPointerDisplayId();
     }
 
     /**
diff --git a/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java b/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
index 28a6ba4..67293b9 100644
--- a/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
+++ b/services/core/java/com/android/server/inputmethod/InputMethodManagerService.java
@@ -675,13 +675,6 @@
     private final int mHardKeyboardBehavior;
 
     /**
-     * Whether we temporarily allow IMEs implemented in instant apps to run for testing.
-     *
-     * <p>Note: This is quite dangerous.  Don't forget to reset after you finish testing.</p>
-     */
-    private boolean mBindInstantServiceAllowed = false;
-
-    /**
      * Internal state snapshot when {@link #MSG_START_INPUT} message is about to be posted to the
      * internal message queue. Any subsequent state change inside {@link InputMethodManagerService}
      * will not affect those tasks that are already posted.
@@ -1135,8 +1128,7 @@
                 final PackageManager pm = mContext.getPackageManager();
                 final List<ResolveInfo> services = pm.queryIntentServicesAsUser(
                         new Intent(InputMethod.SERVICE_INTERFACE).setPackage(packageName),
-                        getComponentMatchingFlags(PackageManager.MATCH_DISABLED_COMPONENTS),
-                        getChangingUserId());
+                        PackageManager.MATCH_DISABLED_COMPONENTS, getChangingUserId());
                 // No need to lock this because we access it only on getRegisteredHandler().
                 if (!services.isEmpty()) {
                     mImePackageAppeared = true;
@@ -1684,9 +1676,6 @@
             Slog.e(TAG, "--- bind failed: service = " + service + ", conn = " + conn);
             return false;
         }
-        if (mBindInstantServiceAllowed) {
-            flags |= Context.BIND_ALLOW_INSTANT;
-        }
         return mContext.bindServiceAsUser(service, conn, flags,
                 new UserHandle(mSettings.getCurrentUserId()));
     }
@@ -3631,16 +3620,6 @@
         return false;
     }
 
-    @PackageManager.ResolveInfoFlags
-    private int getComponentMatchingFlags(@PackageManager.ResolveInfoFlags int baseFlags) {
-        synchronized (mMethodMap) {
-            if (mBindInstantServiceAllowed) {
-                baseFlags |= PackageManager.MATCH_INSTANT;
-            }
-            return baseFlags;
-        }
-    }
-
     @GuardedBy("mMethodMap")
     void buildInputMethodListLocked(boolean resetDefaultEnabledIme) {
         if (DEBUG) {
@@ -3664,8 +3643,7 @@
         // services depending on the unlock state for the specified user.
         final List<ResolveInfo> services = pm.queryIntentServicesAsUser(
                 new Intent(InputMethod.SERVICE_INTERFACE),
-                getComponentMatchingFlags(PackageManager.GET_META_DATA
-                        | PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS),
+                PackageManager.GET_META_DATA | PackageManager.MATCH_DISABLED_UNTIL_USED_COMPONENTS,
                 mSettings.getCurrentUserId());
 
         final ArrayMap<String, List<InputMethodSubtype>> additionalSubtypeMap =
@@ -3707,8 +3685,7 @@
             // conservative, but it seems we cannot use it for now (Issue 35176630).
             final List<ResolveInfo> allInputMethodServices = pm.queryIntentServicesAsUser(
                     new Intent(InputMethod.SERVICE_INTERFACE),
-                    getComponentMatchingFlags(PackageManager.MATCH_DISABLED_COMPONENTS),
-                    mSettings.getCurrentUserId());
+                    PackageManager.MATCH_DISABLED_COMPONENTS, mSettings.getCurrentUserId());
             final int N = allInputMethodServices.size();
             for (int i = 0; i < N; ++i) {
                 final ServiceInfo si = allInputMethodServices.get(i).serviceInfo;
@@ -4606,8 +4583,7 @@
         synchronized (mMethodMap) {
             p.println("Current Input Method Manager state:");
             int N = mMethodList.size();
-            p.println("  Input Methods: mMethodMapUpdateCount=" + mMethodMapUpdateCount
-                    + " mBindInstantServiceAllowed=" + mBindInstantServiceAllowed);
+            p.println("  Input Methods: mMethodMapUpdateCount=" + mMethodMapUpdateCount);
             for (int i=0; i<N; i++) {
                 InputMethodInfo info = mMethodList.get(i);
                 p.println("  InputMethod #" + i + ":");
@@ -4719,9 +4695,6 @@
             if ("refresh_debug_properties".equals(cmd)) {
                 return refreshDebugProperties();
             }
-            if ("set-bind-instant-service-allowed".equals(cmd)) {
-                return setBindInstantServiceAllowed();
-            }
 
             // For existing "adb shell ime <command>".
             if ("ime".equals(cmd)) {
@@ -4752,12 +4725,6 @@
 
         @BinderThread
         @ShellCommandResult
-        private int setBindInstantServiceAllowed() {
-            return mService.handleSetBindInstantServiceAllowed(this);
-        }
-
-        @BinderThread
-        @ShellCommandResult
         private int refreshDebugProperties() {
             DebugFlags.FLAG_OPTIMIZE_START_INPUT.refresh();
             return ShellCommandResult.SUCCESS;
@@ -4774,9 +4741,6 @@
                 pw.println("    Synonym of dumpsys.");
                 pw.println("  ime <command> [options]");
                 pw.println("    Manipulate IMEs.  Run \"ime help\" for details.");
-                pw.println("  set-bind-instant-service-allowed true|false ");
-                pw.println("    Set whether binding to services provided by instant apps is "
-                        + "allowed.");
             }
         }
 
@@ -4825,53 +4789,6 @@
     // Shell command handlers:
 
     /**
-     * Handles {@code adb shell cmd input_method set-bind-instant-service-allowed}.
-     *
-     * @param shellCommand {@link ShellCommand} object that is handling this command.
-     * @return Exit code of the command.
-     */
-    @BinderThread
-    @RequiresPermission(android.Manifest.permission.MANAGE_BIND_INSTANT_SERVICE)
-    @ShellCommandResult
-    private int handleSetBindInstantServiceAllowed(@NonNull ShellCommand shellCommand) {
-        final String allowedString = shellCommand.getNextArgRequired();
-        if (allowedString == null) {
-            shellCommand.getErrPrintWriter().println("Error: no true/false specified");
-            return ShellCommandResult.FAILURE;
-        }
-        final boolean allowed = Boolean.parseBoolean(allowedString);
-        synchronized (mMethodMap) {
-            if (mContext.checkCallingOrSelfPermission(
-                    android.Manifest.permission.MANAGE_BIND_INSTANT_SERVICE)
-                    != PackageManager.PERMISSION_GRANTED) {
-                shellCommand.getErrPrintWriter().print(
-                        "Caller must have MANAGE_BIND_INSTANT_SERVICE permission");
-                return ShellCommandResult.FAILURE;
-            }
-
-            if (mBindInstantServiceAllowed == allowed) {
-                // Nothing to do.
-                return ShellCommandResult.SUCCESS;
-            }
-            mBindInstantServiceAllowed = allowed;
-
-            // Rebuild everything.
-            final long ident = Binder.clearCallingIdentity();
-            try {
-                // Reset the current IME
-                resetSelectedInputMethodAndSubtypeLocked(null);
-                // Also reset the settings of the current IME
-                mSettings.putSelectedInputMethod(null);
-                buildInputMethodListLocked(false /* resetDefaultEnabledIme */);
-                updateInputMethodsFromSettingsLocked(true /* enabledMayChange */);
-            } finally {
-                Binder.restoreCallingIdentity(ident);
-            }
-        }
-        return ShellCommandResult.SUCCESS;
-    }
-
-    /**
      * Handles {@code adb shell ime list}.
      * @param shellCommand {@link ShellCommand} object that is handling this command.
      * @return Exit code of the command.
diff --git a/services/core/java/com/android/server/pm/ModuleInfoProvider.java b/services/core/java/com/android/server/pm/ModuleInfoProvider.java
new file mode 100644
index 0000000..886cfb2
--- /dev/null
+++ b/services/core/java/com/android/server/pm/ModuleInfoProvider.java
@@ -0,0 +1,178 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.server.pm;
+
+import android.content.Context;
+import android.content.pm.IPackageManager;
+import android.content.pm.ModuleInfo;
+import android.content.pm.PackageInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.content.res.Resources;
+import android.content.res.XmlResourceParser;
+import android.os.Process;
+import android.os.RemoteException;
+import android.text.TextUtils;
+import android.util.ArrayMap;
+import android.util.Slog;
+
+import com.android.internal.R;
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.util.XmlUtils;
+
+import org.xmlpull.v1.XmlPullParser;
+import org.xmlpull.v1.XmlPullParserException;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Provides data to back {@code ModuleInfo} related APIs in the package manager. The data is stored
+ * as an XML resource in a configurable "module metadata" package.
+ */
+@VisibleForTesting
+public class ModuleInfoProvider {
+    private static final String TAG = "PackageManager.ModuleInfoProvider";
+
+    /**
+     * The key in the package's application level metadata bundle that provides a resource reference
+     * to the module metadata.
+     */
+    private static final String MODULE_METADATA_KEY = "android.content.pm.MODULE_METADATA";
+
+
+    private final Context mContext;
+    private final IPackageManager mPackageManager;
+    private final Map<String, ModuleInfo> mModuleInfo;
+
+    // TODO: Move this to an earlier boot phase if anybody requires it then.
+    private volatile boolean mMetadataLoaded;
+
+    ModuleInfoProvider(Context context, IPackageManager packageManager) {
+        mContext = context;
+        mPackageManager = packageManager;
+        mModuleInfo = new ArrayMap<>();
+    }
+
+    @VisibleForTesting
+    public ModuleInfoProvider(XmlResourceParser metadata, Resources resources) {
+        mContext = null;
+        mPackageManager = null;
+        mModuleInfo = new ArrayMap<>();
+        loadModuleMetadata(metadata, resources);
+    }
+
+    /** Called by the {@code PackageManager} when it has completed its boot sequence */
+    public void systemReady() {
+        final String packageName = mContext.getResources().getString(
+                R.string.config_defaultModuleMetadataProvider);
+        if (TextUtils.isEmpty(packageName)) {
+            Slog.w(TAG, "No configured module metadata provider.");
+            return;
+        }
+
+        final Resources packageResources;
+        final PackageInfo pi;
+        try {
+            pi = mPackageManager.getPackageInfo(packageName,
+                PackageManager.GET_META_DATA, Process.SYSTEM_UID);
+
+            Context packageContext = mContext.createPackageContext(packageName, 0);
+            packageResources = packageContext.getResources();
+        } catch (RemoteException | NameNotFoundException e) {
+            Slog.w(TAG, "Unable to discover metadata package: " + packageName, e);
+            return;
+        }
+
+        XmlResourceParser parser = packageResources.getXml(
+                pi.applicationInfo.metaData.getInt(MODULE_METADATA_KEY));
+        loadModuleMetadata(parser, packageResources);
+    }
+
+    private void loadModuleMetadata(XmlResourceParser parser, Resources packageResources) {
+        try {
+            // The format for the module metadata is straightforward :
+            //
+            // The following attributes on <module> are currently defined :
+            // -- name : A resource reference to a User visible package name, maps to
+            //           ModuleInfo#getName
+            // -- packageName : The package name of the module, see ModuleInfo#getPackageName
+            // -- isHidden : Whether the module is hidden, see ModuleInfo#isHidden
+            //
+            // <module-metadata>
+            //   <module name="@string/resource" packageName="package_name" isHidden="false|true" />
+            //   <module .... />
+            // </module-metadata>
+
+            XmlUtils.beginDocument(parser, "module-metadata");
+            while (true) {
+                XmlUtils.nextElement(parser);
+                if (parser.getEventType() == XmlPullParser.END_DOCUMENT) {
+                    break;
+                }
+
+                if (!"module".equals(parser.getName())) {
+                    Slog.w(TAG, "Unexpected metadata element: " + parser.getName());
+                    mModuleInfo.clear();
+                    break;
+                }
+
+                // TODO: The module name here is fetched using the resource configuration applied
+                // at the time of parsing this information. This is probably not the best approach
+                // to dealing with this as we'll now have to listen to all config changes and
+                // regenerate the data if required. Also, is this the right way to parse a resource
+                // reference out of an XML file ?
+                final String moduleName = packageResources.getString(
+                        Integer.parseInt(parser.getAttributeValue(null, "name").substring(1)));
+                final String modulePackageName = XmlUtils.readStringAttribute(parser,
+                        "packageName");
+                final boolean isHidden = XmlUtils.readBooleanAttribute(parser, "isHidden");
+
+                ModuleInfo mi = new ModuleInfo();
+                mi.setHidden(isHidden);
+                mi.setPackageName(modulePackageName);
+                mi.setName(moduleName);
+
+                mModuleInfo.put(modulePackageName, mi);
+            }
+        } catch (XmlPullParserException | IOException e) {
+            Slog.w(TAG, "Error parsing module metadata", e);
+            mModuleInfo.clear();
+        } finally {
+            parser.close();
+            mMetadataLoaded = true;
+        }
+    }
+
+    List<ModuleInfo> getInstalledModules(int flags) {
+        if (!mMetadataLoaded) {
+            throw new IllegalStateException("Call to getInstalledModules before metadata loaded");
+        }
+
+        return new ArrayList<>(mModuleInfo.values());
+    }
+
+    ModuleInfo getModuleInfo(String packageName, int flags) {
+        if (!mMetadataLoaded) {
+            throw new IllegalStateException("Call to getModuleInfo before metadata loaded");
+        }
+
+        return mModuleInfo.get(packageName);
+    }
+}
diff --git a/services/core/java/com/android/server/pm/PackageManagerService.java b/services/core/java/com/android/server/pm/PackageManagerService.java
index 2826e7b..28fb01d 100644
--- a/services/core/java/com/android/server/pm/PackageManagerService.java
+++ b/services/core/java/com/android/server/pm/PackageManagerService.java
@@ -162,12 +162,14 @@
 import android.content.pm.InstrumentationInfo;
 import android.content.pm.IntentFilterVerificationInfo;
 import android.content.pm.KeySet;
+import android.content.pm.ModuleInfo;
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageInfoLite;
 import android.content.pm.PackageInstaller;
 import android.content.pm.PackageList;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.LegacyPackageDeleteObserver;
+import android.content.pm.PackageManager.ModuleInfoFlags;
 import android.content.pm.PackageManagerInternal;
 import android.content.pm.PackageManagerInternal.CheckPermissionDelegate;
 import android.content.pm.PackageManagerInternal.PackageListObserver;
@@ -718,6 +720,8 @@
 
     private PackageManager mPackageManager;
 
+    private final ModuleInfoProvider mModuleInfoProvider;
+
     class PackageParserCallback implements PackageParser.Callback {
         @Override public final boolean hasFeature(String feature) {
             return PackageManagerService.this.hasSystemFeature(feature, 0);
@@ -3030,6 +3034,8 @@
         } // synchronized (mPackages)
         } // synchronized (mInstallLock)
 
+        mModuleInfoProvider = new ModuleInfoProvider(mContext, this);
+
         // Now after opening every single application zip, make sure they
         // are all flushed.  Not really needed, but keeps things nice and
         // tidy.
@@ -4969,6 +4975,16 @@
     }
 
     @Override
+    public ModuleInfo getModuleInfo(String packageName, @ModuleInfoFlags int flags) {
+        return mModuleInfoProvider.getModuleInfo(packageName, flags);
+    }
+
+    @Override
+    public List<ModuleInfo> getInstalledModules(int flags) {
+        return mModuleInfoProvider.getInstalledModules(flags);
+    }
+
+    @Override
     public String[] getSystemSharedLibraryNames() {
         // allow instant applications
         synchronized (mPackages) {
@@ -20242,6 +20258,8 @@
                 }
             }, new IntentFilter(Intent.ACTION_BOOT_COMPLETED));
         }
+
+        mModuleInfoProvider.systemReady();
     }
 
     public void waitForAppDataPrepared() {
diff --git a/services/core/java/com/android/server/pm/dex/PackageDexUsage.java b/services/core/java/com/android/server/pm/dex/PackageDexUsage.java
index 519a20d..33a9650 100644
--- a/services/core/java/com/android/server/pm/dex/PackageDexUsage.java
+++ b/services/core/java/com/android/server/pm/dex/PackageDexUsage.java
@@ -16,9 +16,9 @@
 
 package com.android.server.pm.dex;
 
+import android.os.Build;
 import android.util.AtomicFile;
 import android.util.Slog;
-import android.os.Build;
 
 import com.android.internal.annotations.GuardedBy;
 import com.android.internal.annotations.VisibleForTesting;
@@ -26,26 +26,27 @@
 import com.android.server.pm.AbstractStatsBase;
 import com.android.server.pm.PackageManagerServiceUtils;
 
+import dalvik.system.VMRuntime;
+
+import libcore.io.IoUtils;
+
 import java.io.BufferedReader;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
-import java.io.InputStreamReader;
 import java.io.IOException;
+import java.io.InputStreamReader;
 import java.io.OutputStreamWriter;
 import java.io.Reader;
 import java.io.StringWriter;
 import java.io.Writer;
 import java.util.Collections;
-import java.util.Iterator;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.Iterator;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Set;
 
-import dalvik.system.VMRuntime;
-import libcore.io.IoUtils;
-
 /**
  * Stat file which store usage information about dex files.
  */
@@ -86,6 +87,13 @@
     private static final String UNSUPPORTED_CLASS_LOADER_CONTEXT =
             "=UnsupportedClassLoaderContext=";
 
+    /**
+     * Limit on how many secondary DEX paths we store for a single owner, to avoid one app causing
+     * unbounded memory consumption.
+     */
+    @VisibleForTesting
+    /* package */ static final int MAX_SECONDARY_FILES_PER_OWNER = 100;
+
     // Map which structures the information we have on a package.
     // Maps package name to package data (which stores info about UsedByOtherApps and
     // secondary dex files.).
@@ -164,8 +172,12 @@
                     DexUseInfo existingData = packageUseInfo.mDexUseInfoMap.get(dexPath);
                     if (existingData == null) {
                         // It's the first time we see this dex file.
-                        packageUseInfo.mDexUseInfoMap.put(dexPath, newData);
-                        return true;
+                        if (packageUseInfo.mDexUseInfoMap.size() < MAX_SECONDARY_FILES_PER_OWNER) {
+                            packageUseInfo.mDexUseInfoMap.put(dexPath, newData);
+                            return true;
+                        } else {
+                            return updateLoadingPackages;
+                        }
                     } else {
                         if (ownerUserId != existingData.mOwnerUserId) {
                             // Oups, this should never happen, the DexManager who calls this should
diff --git a/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java b/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
index 64ff9cf..2157c99 100644
--- a/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
+++ b/services/core/java/com/android/server/wallpaper/WallpaperManagerService.java
@@ -60,6 +60,7 @@
 import android.hardware.display.DisplayManager;
 import android.os.Binder;
 import android.os.Bundle;
+import android.os.Debug;
 import android.os.Environment;
 import android.os.FileObserver;
 import android.os.FileUtils;
@@ -85,6 +86,7 @@
 import android.util.EventLog;
 import android.util.Slog;
 import android.util.SparseArray;
+import android.util.SparseBooleanArray;
 import android.util.Xml;
 import android.view.Display;
 import android.view.IWindowManager;
@@ -120,12 +122,13 @@
 import java.util.List;
 import java.util.Objects;
 import java.util.function.Consumer;
+import java.util.function.Predicate;
 
 public class WallpaperManagerService extends IWallpaperManager.Stub
         implements IWallpaperManagerService {
-    static final String TAG = "WallpaperManagerService";
-    static final boolean DEBUG = false;
-    static final boolean DEBUG_LIVE = DEBUG || true;
+    private static final String TAG = "WallpaperManagerService";
+    private static final boolean DEBUG = false;
+    private static final boolean DEBUG_LIVE = true;
 
     public static class Lifecycle extends SystemService {
         private IWallpaperManagerService mService;
@@ -163,14 +166,14 @@
         }
     }
 
-    final Object mLock = new Object();
+    private final Object mLock = new Object();
 
     /**
      * Minimum time between crashes of a wallpaper service for us to consider
      * restarting it vs. just reverting to the static wallpaper.
      */
-    static final long MIN_WALLPAPER_CRASH_TIME = 10000;
-    static final int MAX_WALLPAPER_COMPONENT_LOG_LENGTH = 128;
+    private static final long MIN_WALLPAPER_CRASH_TIME = 10000;
+    private static final int MAX_WALLPAPER_COMPONENT_LOG_LENGTH = 128;
     static final String WALLPAPER = "wallpaper_orig";
     static final String WALLPAPER_CROP = "wallpaper";
     static final String WALLPAPER_LOCK_ORIG = "wallpaper_lock_orig";
@@ -178,7 +181,7 @@
     static final String WALLPAPER_INFO = "wallpaper_info.xml";
 
     // All the various per-user state files we need to be aware of
-    static final String[] sPerUserFiles = new String[] {
+    private static final String[] sPerUserFiles = new String[] {
         WALLPAPER, WALLPAPER_CROP,
         WALLPAPER_LOCK_ORIG, WALLPAPER_LOCK_CROP,
         WALLPAPER_INFO
@@ -335,7 +338,7 @@
         }
     }
 
-    void notifyLockWallpaperChanged() {
+    private void notifyLockWallpaperChanged() {
         final IWallpaperManagerCallback cb = mKeyguardListener;
         if (cb != null) {
             try {
@@ -487,7 +490,7 @@
         boolean success = false;
 
         // Only generate crop for default display.
-        final WallpaperData.DisplayData wpData = getDisplayDataOrCreate(wallpaper, DEFAULT_DISPLAY);
+        final DisplayData wpData = getDisplayDataOrCreate(DEFAULT_DISPLAY);
         Rect cropHint = new Rect(wallpaper.cropHint);
 
         if (DEBUG) {
@@ -640,11 +643,11 @@
         }
     }
 
-    final Context mContext;
-    final IWindowManager mIWindowManager;
-    final IPackageManager mIPackageManager;
-    final MyPackageMonitor mMonitor;
-    final AppOpsManager mAppOpsManager;
+    private final Context mContext;
+    private final IWindowManager mIWindowManager;
+    private final IPackageManager mIPackageManager;
+    private final MyPackageMonitor mMonitor;
+    private final AppOpsManager mAppOpsManager;
 
     private final DisplayManager mDisplayManager;
     private final DisplayManager.DisplayListener mDisplayListener =
@@ -654,11 +657,23 @@
         public void onDisplayAdded(int displayId) {
             synchronized (mLock) {
                 if (mLastWallpaper != null) {
-                    final WallpaperConnection.DisplayConnector connector =
-                            mLastWallpaper.connection.getDisplayConnectorOrCreate(displayId);
-                    if (connector == null) return;
-
-                    connector.connectLocked(mLastWallpaper.connection, mLastWallpaper);
+                    if (supportsMultiDisplay(mLastWallpaper.connection)) {
+                        final WallpaperConnection.DisplayConnector connector =
+                                mLastWallpaper.connection.getDisplayConnectorOrCreate(displayId);
+                        if (connector == null) return;
+                        connector.connectLocked(mLastWallpaper.connection, mLastWallpaper);
+                        return;
+                    }
+                    // System wallpaper does not support multiple displays, attach this display to
+                    // the fallback wallpaper.
+                    if (mFallbackWallpaper != null) {
+                        final WallpaperConnection.DisplayConnector connector = mFallbackWallpaper
+                                .connection.getDisplayConnectorOrCreate(displayId);
+                        if (connector == null) return;
+                        connector.connectLocked(mFallbackWallpaper.connection, mFallbackWallpaper);
+                    } else {
+                        Slog.w(TAG, "No wallpaper can be added to the new display");
+                    }
                 }
             }
         }
@@ -667,12 +682,19 @@
         public void onDisplayRemoved(int displayId) {
             synchronized (mLock) {
                 if (mLastWallpaper != null) {
-                    final WallpaperConnection.DisplayConnector connector =
-                            mLastWallpaper.connection.getDisplayConnectorOrCreate(displayId);
+                    WallpaperData targetWallpaper = null;
+                    if (mLastWallpaper.connection.containsDisplay(displayId)) {
+                        targetWallpaper = mLastWallpaper;
+                    } else if (mFallbackWallpaper.connection.containsDisplay(displayId)) {
+                        targetWallpaper = mFallbackWallpaper;
+                    }
+                    if (targetWallpaper == null) return;
+                    WallpaperConnection.DisplayConnector connector =
+                            targetWallpaper.connection.getDisplayConnectorOrCreate(displayId);
                     if (connector == null) return;
                     connector.disconnectLocked();
-                    mLastWallpaper.connection.removeDisplayConnector(displayId);
-                    mLastWallpaper.removeDisplayData(displayId);
+                    targetWallpaper.connection.removeDisplayConnector(displayId);
+                    removeDisplayData(displayId);
                 }
             }
         }
@@ -686,35 +708,40 @@
      * Map of color listeners per user id.
      * The key will be the id of a user or UserHandle.USER_ALL - for wildcard listeners.
      */
-    final SparseArray<RemoteCallbackList<IWallpaperManagerCallback>> mColorsChangedListeners;
-    WallpaperData mLastWallpaper;
-    IWallpaperManagerCallback mKeyguardListener;
-    boolean mWaitingForUnlock;
-    boolean mShuttingDown;
+    private final SparseArray<RemoteCallbackList<IWallpaperManagerCallback>>
+            mColorsChangedListeners;
+    private WallpaperData mLastWallpaper;
+    private IWallpaperManagerCallback mKeyguardListener;
+    private boolean mWaitingForUnlock;
+    private boolean mShuttingDown;
 
     /**
      * ID of the current wallpaper, changed every time anything sets a wallpaper.
      * This is used for external detection of wallpaper update activity.
      */
-    int mWallpaperId;
+    private int mWallpaperId;
 
     /**
      * Name of the component used to display bitmap wallpapers from either the gallery or
      * built-in wallpapers.
      */
-    final ComponentName mImageWallpaper;
+    private final ComponentName mImageWallpaper;
 
     /**
      * Name of the default wallpaper component; might be different from mImageWallpaper
      */
-    final ComponentName mDefaultWallpaperComponent;
+    private final ComponentName mDefaultWallpaperComponent;
 
-    final SparseArray<WallpaperData> mWallpaperMap = new SparseArray<WallpaperData>();
-    final SparseArray<WallpaperData> mLockWallpaperMap = new SparseArray<WallpaperData>();
+    private final SparseArray<WallpaperData> mWallpaperMap = new SparseArray<WallpaperData>();
+    private final SparseArray<WallpaperData> mLockWallpaperMap = new SparseArray<WallpaperData>();
 
-    final SparseArray<Boolean> mUserRestorecon = new SparseArray<Boolean>();
-    int mCurrentUserId = UserHandle.USER_NULL;
-    boolean mInAmbientMode;
+    private SparseArray<DisplayData> mDisplayDatas = new SparseArray<>();
+
+    private WallpaperData mFallbackWallpaper;
+
+    private final SparseBooleanArray mUserRestorecon = new SparseBooleanArray();
+    private int mCurrentUserId = UserHandle.USER_NULL;
+    private boolean mInAmbientMode;
 
     static class WallpaperData {
 
@@ -780,18 +807,6 @@
         private RemoteCallbackList<IWallpaperManagerCallback> callbacks
                 = new RemoteCallbackList<IWallpaperManagerCallback>();
 
-        private static final class DisplayData {
-            int mWidth = -1;
-            int mHeight = -1;
-            final Rect mPadding = new Rect(0, 0, 0, 0);
-            final int mDisplayId;
-
-            DisplayData(int displayId) {
-                mDisplayId = displayId;
-            }
-        }
-        private SparseArray<DisplayData> mDisplayDatas = new SparseArray<>();
-
         /**
          * The crop hint supplied for displaying a subset of the source image
          */
@@ -812,24 +827,34 @@
         boolean sourceExists() {
             return wallpaperFile.exists();
         }
+    }
 
-        void removeDisplayData(int displayId) {
-            mDisplayDatas.remove(displayId);
+    private static final class DisplayData {
+        int mWidth = -1;
+        int mHeight = -1;
+        final Rect mPadding = new Rect(0, 0, 0, 0);
+        final int mDisplayId;
+
+        DisplayData(int displayId) {
+            mDisplayId = displayId;
         }
     }
 
-    private WallpaperData.DisplayData getDisplayDataOrCreate(WallpaperData data, int displayId) {
-        WallpaperData.DisplayData wpdData = data.mDisplayDatas.get(displayId);
+    private void removeDisplayData(int displayId) {
+        mDisplayDatas.remove(displayId);
+    }
+
+    private DisplayData getDisplayDataOrCreate(int displayId) {
+        DisplayData wpdData = mDisplayDatas.get(displayId);
         if (wpdData == null) {
-            wpdData = new WallpaperData.DisplayData(displayId);
+            wpdData = new DisplayData(displayId);
             ensureSaneWallpaperDisplaySize(wpdData, displayId);
-            data.mDisplayDatas.append(displayId, wpdData);
+            mDisplayDatas.append(displayId, wpdData);
         }
         return wpdData;
     }
 
-    private void ensureSaneWallpaperDisplaySize(WallpaperData.DisplayData wpdData,
-            int displayId) {
+    private void ensureSaneWallpaperDisplaySize(DisplayData wpdData, int displayId) {
         // We always want to have some reasonable width hint.
         final int baseSize = getMaximumSizeDimension(displayId);
         if (wpdData.mWidth < baseSize) {
@@ -842,12 +867,16 @@
 
     private int getMaximumSizeDimension(int displayId) {
         Display display = mDisplayManager.getDisplay(displayId);
+        if (display == null) {
+            Slog.w(TAG, "Invalid displayId=" + displayId + " " + Debug.getCallers(4));
+            display = mDisplayManager.getDisplay(DEFAULT_DISPLAY);
+        }
         return display.getMaximumSizeDimension();
     }
 
-    void forEachDisplayData(WallpaperData data, Consumer<WallpaperData.DisplayData> action) {
-        for (int i = data.mDisplayDatas.size() - 1; i >= 0; i--) {
-            final WallpaperData.DisplayData wpdData = data.mDisplayDatas.valueAt(i);
+    void forEachDisplayData(Consumer<DisplayData> action) {
+        for (int i = mDisplayDatas.size() - 1; i >= 0; i--) {
+            final DisplayData wpdData = mDisplayDatas.valueAt(i);
             action.accept(wpdData);
         }
     }
@@ -859,6 +888,36 @@
         return mWallpaperId;
     }
 
+    private boolean supportsMultiDisplay(WallpaperConnection connection) {
+        if (connection != null) {
+            return connection.mInfo == null // This is image wallpaper
+                    || connection.mInfo.supportsMultipleDisplays();
+        }
+        return false;
+    }
+
+    private void updateFallbackConnection() {
+        if (mLastWallpaper == null || mFallbackWallpaper == null) return;
+        final WallpaperConnection systemConnection = mLastWallpaper.connection;
+        final WallpaperConnection fallbackConnection = mFallbackWallpaper.connection;
+        if (supportsMultiDisplay(systemConnection)
+                && fallbackConnection.getConnectedEngineSize() != 0) {
+            fallbackConnection.forEachDisplayConnector(
+                    WallpaperConnection.DisplayConnector::disconnectLocked);
+            fallbackConnection.mDisplayConnector.clear();
+        } else {
+            fallbackConnection.appendConnectorWithCondition(display ->
+                    fallbackConnection.isUsableDisplay(display)
+                            && display.getDisplayId() != DEFAULT_DISPLAY
+                            && !fallbackConnection.containsDisplay(display.getDisplayId()));
+            fallbackConnection.forEachDisplayConnector(connector -> {
+                if (connector.mEngine == null) {
+                    connector.connectLocked(fallbackConnection, mFallbackWallpaper);
+                }
+            });
+        }
+    }
+
     class WallpaperConnection extends IWallpaperConnection.Stub
             implements ServiceConnection {
 
@@ -877,8 +936,7 @@
             }
 
             void ensureStatusHandled() {
-                final WallpaperData.DisplayData wpdData = getDisplayDataOrCreate(mWallpaper,
-                        mDisplayId);
+                final DisplayData wpdData = getDisplayDataOrCreate(mDisplayId);
                 if (mDimensionsChanged) {
                     try {
                         mEngine.setDesiredSize(wpdData.mWidth, wpdData.mHeight);
@@ -906,8 +964,7 @@
                     return;
                 }
 
-                final WallpaperData.DisplayData wpdData = getDisplayDataOrCreate(wallpaper,
-                        mDisplayId);
+                final DisplayData wpdData = getDisplayDataOrCreate(mDisplayId);
                 try {
                     connection.mService.attach(connection, mToken, TYPE_WALLPAPER, false,
                             wpdData.mWidth, wpdData.mHeight,
@@ -982,19 +1039,33 @@
         }
 
         private void initDisplayState() {
-            final Display[] displays = mDisplayManager.getDisplays();
-            for (Display display : displays) {
-                if (isUsableDisplay(display)) {
-                    final int displayId = display.getDisplayId();
-                    mDisplayConnector.append(displayId, new DisplayConnector(displayId));
+            // Do not initialize fallback wallpaper
+            if (!mWallpaper.equals(mFallbackWallpaper)) {
+                if (supportsMultiDisplay(this)) {
+                    // The system wallpaper is image wallpaper or it can supports multiple displays.
+                    appendConnectorWithCondition(this::isUsableDisplay);
+                } else {
+                    // The system wallpaper does not support multiple displays, so just attach it on
+                    // default display.
+                    mDisplayConnector.append(DEFAULT_DISPLAY,
+                            new DisplayConnector(DEFAULT_DISPLAY));
                 }
             }
         }
 
-        // TODO(b/115486823) Support the system decorations change at runtime.
+        private void appendConnectorWithCondition(Predicate<Display> tester) {
+            final Display[] displays = mDisplayManager.getDisplays();
+            for (Display display : displays) {
+                if (tester.test(display)) {
+                    final int displayId = display.getDisplayId();
+                    mDisplayConnector.append(displayId,
+                            new DisplayConnector(displayId));
+                }
+            }
+        }
+
         private boolean isUsableDisplay(Display display) {
             return display != null &&  display.hasAccess(mClientUid)
-                    // TODO(b/114338689) Use WindowManager.supportsSystemDecorations when ready
                     && (display.supportsSystemDecorations()
                             || display.getDisplayId() == DEFAULT_DISPLAY);
         }
@@ -1027,6 +1098,10 @@
             return connector;
         }
 
+        boolean containsDisplay(int displayId) {
+            return mDisplayConnector.get(displayId) != null;
+        }
+
         void removeDisplayConnector(int displayId) {
             final DisplayConnector connector = mDisplayConnector.get(displayId);
             if (connector != null) {
@@ -1044,7 +1119,9 @@
                     // when we have an engine, but I'm not sure about
                     // locking there and anyway we always need to be able to
                     // recover if there is something wrong.
-                    saveSettingsLocked(mWallpaper.userId);
+                    if (!mWallpaper.equals(mFallbackWallpaper)) {
+                        saveSettingsLocked(mWallpaper.userId);
+                    }
                     FgThread.getHandler().removeCallbacks(mResetRunnable);
                 }
             }
@@ -1533,8 +1610,8 @@
                 // This corrects for mislabeling bugs that might have arisen from move-to
                 // operations involving the wallpaper files.  This isn't timing-critical,
                 // so we do it in the background to avoid holding up the user unlock operation.
-                if (mUserRestorecon.get(userId) != Boolean.TRUE) {
-                    mUserRestorecon.put(userId, Boolean.TRUE);
+                if (!mUserRestorecon.get(userId)) {
+                    mUserRestorecon.put(userId, true);
                     Runnable relabeler = new Runnable() {
                         @Override
                         public void run() {
@@ -1562,7 +1639,7 @@
             for (String filename : sPerUserFiles) {
                 new File(wallpaperDir, filename).delete();
             }
-            mUserRestorecon.remove(userId);
+            mUserRestorecon.delete(userId);
         }
     }
 
@@ -1789,7 +1866,7 @@
                 throw new IllegalArgumentException("Cannot find display with id=" + displayId);
             }
 
-            final WallpaperData.DisplayData wpdData = getDisplayDataOrCreate(wallpaper, displayId);
+            final DisplayData wpdData = getDisplayDataOrCreate(displayId);
             if (width != wpdData.mWidth || height != wpdData.mHeight) {
                 wpdData.mWidth = width;
                 wpdData.mHeight = height;
@@ -1826,8 +1903,7 @@
             }
             WallpaperData wallpaper = mWallpaperMap.get(UserHandle.getCallingUserId());
             if (wallpaper != null) {
-                final WallpaperData.DisplayData wpdData = getDisplayDataOrCreate(wallpaper,
-                        displayId);
+                final DisplayData wpdData = getDisplayDataOrCreate(displayId);
                 return wpdData.mWidth;
             } else {
                 return 0;
@@ -1845,8 +1921,7 @@
             }
             WallpaperData wallpaper = mWallpaperMap.get(UserHandle.getCallingUserId());
             if (wallpaper != null) {
-                final WallpaperData.DisplayData wpdData = getDisplayDataOrCreate(wallpaper,
-                        displayId);
+                final DisplayData wpdData = getDisplayDataOrCreate(displayId);
                 return wpdData.mHeight;
             } else {
                 return 0;
@@ -1872,7 +1947,7 @@
                 throw new IllegalArgumentException("padding must be positive: " + padding);
             }
 
-            final WallpaperData.DisplayData wpdData = getDisplayDataOrCreate(wallpaper, displayId);
+            final DisplayData wpdData = getDisplayDataOrCreate(displayId);
             if (!padding.equals(wpdData.mPadding)) {
                 wpdData.mPadding.set(padding);
                 if (displayId == DEFAULT_DISPLAY) saveSettingsLocked(userId);
@@ -1940,8 +2015,7 @@
                 return null;
             }
             // Only for default display.
-            final WallpaperData.DisplayData wpdData = getDisplayDataOrCreate(wallpaper,
-                    DEFAULT_DISPLAY);
+            final DisplayData wpdData = getDisplayDataOrCreate(DEFAULT_DISPLAY);
             try {
                 if (outParams != null) {
                     outParams.putInt("width", wpdData.mWidth);
@@ -2173,14 +2247,8 @@
         // We know a-priori that there is no lock-only wallpaper currently
         WallpaperData lockWP = new WallpaperData(userId,
                 WALLPAPER_LOCK_ORIG, WALLPAPER_LOCK_CROP);
-        final WallpaperData.DisplayData lockWPDData = getDisplayDataOrCreate(lockWP,
-                DEFAULT_DISPLAY);
-        final WallpaperData.DisplayData sysWPDData = getDisplayDataOrCreate(sysWP,
-                DEFAULT_DISPLAY);
         lockWP.wallpaperId = sysWP.wallpaperId;
         lockWP.cropHint.set(sysWP.cropHint);
-        lockWPDData.mWidth = sysWPDData.mWidth;
-        lockWPDData.mHeight = sysWPDData.mHeight;
         lockWP.allowBackup = sysWP.allowBackup;
         lockWP.primaryColors = sysWP.primaryColors;
 
@@ -2320,7 +2388,7 @@
         return false;
     }
 
-    boolean bindWallpaperComponentLocked(ComponentName componentName, boolean force,
+    private boolean bindWallpaperComponentLocked(ComponentName componentName, boolean force,
             boolean fromUser, WallpaperData wallpaper, IRemoteCallback reply) {
         if (DEBUG_LIVE) {
             Slog.v(TAG, "bindWallpaperComponentLocked: componentName=" + componentName);
@@ -2443,15 +2511,17 @@
                 Slog.w(TAG, msg);
                 return false;
             }
-            if (wallpaper.userId == mCurrentUserId && mLastWallpaper != null) {
+            if (wallpaper.userId == mCurrentUserId && mLastWallpaper != null
+                    && !wallpaper.equals(mFallbackWallpaper)) {
                 detachWallpaperLocked(mLastWallpaper);
             }
             wallpaper.wallpaperComponent = componentName;
             wallpaper.connection = newConn;
             newConn.mReply = reply;
-            if (wallpaper.userId == mCurrentUserId) {
+            if (wallpaper.userId == mCurrentUserId && !wallpaper.equals(mFallbackWallpaper)) {
                 mLastWallpaper = wallpaper;
             }
+            updateFallbackConnection();
         } catch (RemoteException e) {
             String msg = "Remote exception for " + componentName + "\n" + e;
             if (fromUser) {
@@ -2463,7 +2533,7 @@
         return true;
     }
 
-    void detachWallpaperLocked(WallpaperData wallpaper) {
+    private void detachWallpaperLocked(WallpaperData wallpaper) {
         if (wallpaper.connection != null) {
             if (wallpaper.connection.mReply != null) {
                 try {
@@ -2473,7 +2543,8 @@
                 wallpaper.connection.mReply = null;
             }
             mContext.unbindService(wallpaper.connection);
-            wallpaper.connection.forEachDisplayConnector(connector -> connector.disconnectLocked());
+            wallpaper.connection.forEachDisplayConnector(
+                    WallpaperConnection.DisplayConnector::disconnectLocked);
             wallpaper.connection.mService = null;
             wallpaper.connection.mDisplayConnector.clear();
             wallpaper.connection = null;
@@ -2481,12 +2552,12 @@
         }
     }
 
-    void clearWallpaperComponentLocked(WallpaperData wallpaper) {
+    private void clearWallpaperComponentLocked(WallpaperData wallpaper) {
         wallpaper.wallpaperComponent = null;
         detachWallpaperLocked(wallpaper);
     }
 
-    void attachServiceLocked(WallpaperConnection conn, WallpaperData wallpaper) {
+    private void attachServiceLocked(WallpaperConnection conn, WallpaperData wallpaper) {
         conn.forEachDisplayConnector(connector-> connector.connectLocked(conn, wallpaper));
     }
 
@@ -2596,8 +2667,7 @@
         if (DEBUG) {
             Slog.v(TAG, "writeWallpaperAttributes id=" + wallpaper.wallpaperId);
         }
-        final WallpaperData.DisplayData wpdData = getDisplayDataOrCreate(wallpaper,
-                DEFAULT_DISPLAY);
+        final DisplayData wpdData = getDisplayDataOrCreate(DEFAULT_DISPLAY);
         out.startTag(null, tag);
         out.attribute(null, "id", Integer.toString(wallpaper.wallpaperId));
         out.attribute(null, "width", Integer.toString(wpdData.mWidth));
@@ -2755,10 +2825,10 @@
                     Slog.i(TAG, "No static wallpaper imagery; defaults will be shown");
                 }
             }
+            initializeFallbackWallpaper();
         }
         boolean success = false;
-        final WallpaperData.DisplayData wpdData = getDisplayDataOrCreate(wallpaper,
-                DEFAULT_DISPLAY);
+        final DisplayData wpdData = getDisplayDataOrCreate(DEFAULT_DISPLAY);
         try {
             stream = new FileInputStream(file);
             XmlPullParser parser = Xml.newPullParser();
@@ -2845,8 +2915,19 @@
         }
     }
 
+    private void initializeFallbackWallpaper() {
+        if (mFallbackWallpaper == null) {
+            if (DEBUG) Slog.d(TAG, "Initialize fallback wallpaper");
+            mFallbackWallpaper = new WallpaperData(
+                    UserHandle.USER_SYSTEM, WALLPAPER, WALLPAPER_CROP);
+            mFallbackWallpaper.allowBackup = false;
+            mFallbackWallpaper.wallpaperId = makeWallpaperIdLocked();
+            bindWallpaperComponentLocked(mImageWallpaper, true, false, mFallbackWallpaper, null);
+        }
+    }
+
     private void ensureSaneWallpaperData(WallpaperData wallpaper, int displayId) {
-        final WallpaperData.DisplayData size = getDisplayDataOrCreate(wallpaper, displayId);
+        final DisplayData size = getDisplayDataOrCreate(displayId);
 
         if (displayId == DEFAULT_DISPLAY) {
             // crop, if not previously specified
@@ -2869,7 +2950,7 @@
             wallpaper.wallpaperId = makeWallpaperIdLocked();
         }
 
-        final WallpaperData.DisplayData wpData = getDisplayDataOrCreate(wallpaper, DEFAULT_DISPLAY);
+        final DisplayData wpData = getDisplayDataOrCreate(DEFAULT_DISPLAY);
 
         if (!keepDimensionHints) {
             wpData.mWidth = Integer.parseInt(parser.getAttributeValue(null, "width"));
@@ -2963,7 +3044,7 @@
     }
 
     // Restore the named resource bitmap to both source + crop files
-    boolean restoreNamedResourceLocked(WallpaperData wallpaper) {
+    private boolean restoreNamedResourceLocked(WallpaperData wallpaper) {
         if (wallpaper.name.length() > 4 && "res:".equals(wallpaper.name.substring(0, 4))) {
             String resName = wallpaper.name.substring(4);
 
@@ -3048,8 +3129,9 @@
             for (int i = 0; i < mWallpaperMap.size(); i++) {
                 WallpaperData wallpaper = mWallpaperMap.valueAt(i);
                 pw.print(" User "); pw.print(wallpaper.userId);
-                    pw.print(": id="); pw.println(wallpaper.wallpaperId);
-                forEachDisplayData(wallpaper, wpSize -> {
+                pw.print(": id="); pw.println(wallpaper.wallpaperId);
+                pw.println(" Display state:");
+                forEachDisplayData(wpSize -> {
                     pw.print("  displayId=");
                     pw.println(wpSize.mDisplayId);
                     pw.print("  mWidth=");
@@ -3072,11 +3154,11 @@
                         pw.println(conn.mInfo.getComponent());
                     }
                     conn.forEachDisplayConnector(connector -> {
-                        pw.print("    mDisplayId=");
+                        pw.print("     mDisplayId=");
                         pw.println(connector.mDisplayId);
-                        pw.print("    mToken=");
+                        pw.print("     mToken=");
                         pw.println(connector.mToken);
-                        pw.print("    mEngine=");
+                        pw.print("     mEngine=");
                         pw.println(connector.mEngine);
                     });
                     pw.print("    mService=");
@@ -3090,18 +3172,38 @@
                 WallpaperData wallpaper = mLockWallpaperMap.valueAt(i);
                 pw.print(" User "); pw.print(wallpaper.userId);
                 pw.print(": id="); pw.println(wallpaper.wallpaperId);
-                forEachDisplayData(wallpaper, wpSize -> {
-                    pw.print("  displayId=");
-                    pw.println(wpSize.mDisplayId);
-                    pw.print("  mWidth="); pw.print(wpSize.mWidth);
-                    pw.print("  mHeight="); pw.println(wpSize.mHeight);
-                    pw.print("  mPadding="); pw.println(wpSize.mPadding);
-                });
                 pw.print("  mCropHint="); pw.println(wallpaper.cropHint);
                 pw.print("  mName=");  pw.println(wallpaper.name);
                 pw.print("  mAllowBackup="); pw.println(wallpaper.allowBackup);
             }
-
+            pw.println("Fallback wallpaper state:");
+            pw.print(" User "); pw.print(mFallbackWallpaper.userId);
+            pw.print(": id="); pw.println(mFallbackWallpaper.wallpaperId);
+            pw.print("  mCropHint="); pw.println(mFallbackWallpaper.cropHint);
+            pw.print("  mName=");  pw.println(mFallbackWallpaper.name);
+            pw.print("  mAllowBackup="); pw.println(mFallbackWallpaper.allowBackup);
+            if (mFallbackWallpaper.connection != null) {
+                WallpaperConnection conn = mFallbackWallpaper.connection;
+                pw.print("  Fallback Wallpaper connection ");
+                pw.print(conn);
+                pw.println(":");
+                if (conn.mInfo != null) {
+                    pw.print("    mInfo.component=");
+                    pw.println(conn.mInfo.getComponent());
+                }
+                conn.forEachDisplayConnector(connector -> {
+                    pw.print("     mDisplayId=");
+                    pw.println(connector.mDisplayId);
+                    pw.print("     mToken=");
+                    pw.println(connector.mToken);
+                    pw.print("     mEngine=");
+                    pw.println(connector.mEngine);
+                });
+                pw.print("    mService=");
+                pw.println(conn.mService);
+                pw.print("    mLastDiedTime=");
+                pw.println(mFallbackWallpaper.lastDiedTime - SystemClock.uptimeMillis());
+            }
         }
     }
 }
diff --git a/services/core/java/com/android/server/wm/InputManagerCallback.java b/services/core/java/com/android/server/wm/InputManagerCallback.java
index f9c9d33..639ed02 100644
--- a/services/core/java/com/android/server/wm/InputManagerCallback.java
+++ b/services/core/java/com/android/server/wm/InputManagerCallback.java
@@ -1,6 +1,5 @@
 package com.android.server.wm;
 
-import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
 import static android.view.Display.DEFAULT_DISPLAY;
 import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION_OVERLAY;
 
@@ -10,6 +9,7 @@
 import android.os.Debug;
 import android.os.IBinder;
 import android.util.Slog;
+import android.view.InputApplicationHandle;
 import android.view.KeyEvent;
 import android.view.WindowManager;
 
@@ -204,37 +204,6 @@
                 + WindowManagerService.TYPE_LAYER_OFFSET;
     }
 
-    /** Callback to get pointer display id. */
-    @Override
-    public int getPointerDisplayId() {
-        synchronized (mService.mGlobalLock) {
-            // If desktop mode is not enabled, show on the default display.
-            if (!mService.mForceDesktopModeOnExternalDisplays) {
-                return DEFAULT_DISPLAY;
-            }
-
-            // Look for the topmost freeform display.
-            int firstExternalDisplayId = DEFAULT_DISPLAY;
-            for (int i = mService.mRoot.mChildren.size() - 1; i >= 0; --i) {
-                final DisplayContent displayContent = mService.mRoot.mChildren.get(i);
-                // Heuristic solution here. Currently when "Freeform windows" developer option is
-                // enabled we automatically put secondary displays in freeform mode and emulating
-                // "desktop mode". It also makes sense to show the pointer on the same display.
-                if (displayContent.getWindowingMode() == WINDOWING_MODE_FREEFORM) {
-                    return displayContent.getDisplayId();
-                }
-
-                if (firstExternalDisplayId == DEFAULT_DISPLAY
-                        && displayContent.getDisplayId() != DEFAULT_DISPLAY) {
-                    firstExternalDisplayId = displayContent.getDisplayId();
-                }
-            }
-
-            // Look for the topmost non-default display
-            return firstExternalDisplayId;
-        }
-    }
-
     /** Waits until the built-in input devices have been configured. */
     public boolean waitForInputDevicesReady(long timeoutMillis) {
         synchronized (mInputDevicesReadyMonitor) {
diff --git a/services/core/jni/com_android_server_input_InputManagerService.cpp b/services/core/jni/com_android_server_input_InputManagerService.cpp
index bf83ca9..43d2dcf 100644
--- a/services/core/jni/com_android_server_input_InputManagerService.cpp
+++ b/services/core/jni/com_android_server_input_InputManagerService.cpp
@@ -107,7 +107,6 @@
     jmethodID getLongPressTimeout;
     jmethodID getPointerLayer;
     jmethodID getPointerIcon;
-    jmethodID getPointerDisplayId;
     jmethodID getKeyboardLayoutOverlay;
     jmethodID getDeviceAlias;
     jmethodID getTouchCalibrationForInputDevice;
@@ -175,6 +174,15 @@
     loadSystemIconAsSpriteWithPointerIcon(env, contextObj, style, &pointerIcon, outSpriteIcon);
 }
 
+static void updatePointerControllerFromViewport(
+        sp<PointerController> controller, const DisplayViewport* const viewport) {
+    if (controller != nullptr && viewport != nullptr) {
+        const int32_t width = viewport->logicalRight - viewport->logicalLeft;
+        const int32_t height = viewport->logicalBottom - viewport->logicalTop;
+        controller->setDisplayViewport(width, height, viewport->orientation);
+    }
+}
+
 enum {
     WM_ACTION_PASS_TO_USER = 1,
 };
@@ -234,7 +242,6 @@
             jfloatArray matrixArr);
     virtual TouchAffineTransformation getTouchAffineTransformation(
             const std::string& inputDeviceDescriptor, int32_t surfaceRotation);
-    virtual void updatePointerDisplay();
 
     /* --- InputDispatcherPolicyInterface implementation --- */
 
@@ -307,11 +314,10 @@
 
     std::atomic<bool> mInteractive;
 
-    void updateInactivityTimeoutLocked();
+    void updateInactivityTimeoutLocked(const sp<PointerController>& controller);
     void handleInterceptActions(jint wmActions, nsecs_t when, uint32_t& policyFlags);
     void ensureSpriteControllerLocked();
-    const DisplayViewport* findDisplayViewportLocked(int32_t displayId);
-    int32_t getPointerDisplayId();
+
     static bool checkAndClearExceptionFromCallback(JNIEnv* env, const char* methodName);
 
     static inline JNIEnv* jniEnv() {
@@ -385,10 +391,9 @@
     return false;
 }
 
-const DisplayViewport* NativeInputManager::findDisplayViewportLocked(int32_t displayId)
-        REQUIRES(mLock) {
-    for (const DisplayViewport& v : mLocked.viewports) {
-        if (v.displayId == displayId) {
+static const DisplayViewport* findInternalViewport(const std::vector<DisplayViewport>& viewports) {
+    for (const DisplayViewport& v : viewports) {
+        if (v.type == ViewportType::VIEWPORT_INTERNAL) {
             return &v;
         }
     }
@@ -415,10 +420,20 @@
         }
     }
 
-    { // acquire lock
+    const DisplayViewport* newInternalViewport = findInternalViewport(viewports);
+    {
         AutoMutex _l(mLock);
+        const DisplayViewport* oldInternalViewport = findInternalViewport(mLocked.viewports);
+        // Internal viewport has changed if there wasn't one earlier, and there is one now, or,
+        // if they are different.
+        const bool internalViewportChanged = (newInternalViewport != nullptr) &&
+                (oldInternalViewport == nullptr || (*oldInternalViewport != *newInternalViewport));
+        if (internalViewportChanged) {
+            sp<PointerController> controller = mLocked.pointerController.promote();
+            updatePointerControllerFromViewport(controller, newInternalViewport);
+        }
         mLocked.viewports = viewports;
-    } // release lock
+    }
 
     mInputManager->getReader()->requestRefreshConfiguration(
             InputReaderConfiguration::CHANGE_DISPLAY_INFO);
@@ -541,43 +556,15 @@
 
         controller = new PointerController(this, mLooper, mLocked.spriteController);
         mLocked.pointerController = controller;
-        updateInactivityTimeoutLocked();
-    }
 
+        const DisplayViewport* internalViewport = findInternalViewport(mLocked.viewports);
+        updatePointerControllerFromViewport(controller, internalViewport);
+
+        updateInactivityTimeoutLocked(controller);
+    }
     return controller;
 }
 
-int32_t NativeInputManager::getPointerDisplayId() {
-    JNIEnv* env = jniEnv();
-    jint pointerDisplayId = env->CallIntMethod(mServiceObj,
-            gServiceClassInfo.getPointerDisplayId);
-    if (checkAndClearExceptionFromCallback(env, "getPointerDisplayId")) {
-        pointerDisplayId = ADISPLAY_ID_DEFAULT;
-    }
-
-    return pointerDisplayId;
-}
-
-void NativeInputManager::updatePointerDisplay() {
-    ATRACE_CALL();
-
-    jint pointerDisplayId = getPointerDisplayId();
-
-    AutoMutex _l(mLock);
-    sp<PointerController> controller = mLocked.pointerController.promote();
-    if (controller != nullptr) {
-        const DisplayViewport* viewport = findDisplayViewportLocked(pointerDisplayId);
-        if (viewport == nullptr) {
-            ALOGW("Can't find pointer display viewport, fallback to default display.");
-            viewport = findDisplayViewportLocked(ADISPLAY_ID_DEFAULT);
-        }
-
-        if (viewport != nullptr) {
-            controller->setDisplayViewport(*viewport);
-        }
-    }
-}
-
 void NativeInputManager::ensureSpriteControllerLocked() REQUIRES(mLock) {
     if (mLocked.spriteController == nullptr) {
         JNIEnv* env = jniEnv();
@@ -834,16 +821,16 @@
 
     if (mLocked.systemUiVisibility != visibility) {
         mLocked.systemUiVisibility = visibility;
-        updateInactivityTimeoutLocked();
+
+        sp<PointerController> controller = mLocked.pointerController.promote();
+        if (controller != nullptr) {
+            updateInactivityTimeoutLocked(controller);
+        }
     }
 }
 
-void NativeInputManager::updateInactivityTimeoutLocked() REQUIRES(mLock) {
-    sp<PointerController> controller = mLocked.pointerController.promote();
-    if (controller == nullptr) {
-        return;
-    }
-
+void NativeInputManager::updateInactivityTimeoutLocked(const sp<PointerController>& controller)
+        REQUIRES(mLock) {
     bool lightsOut = mLocked.systemUiVisibility & ASYSTEM_UI_VISIBILITY_STATUS_BAR_HIDDEN;
     controller->setInactivityTimeout(lightsOut
             ? PointerController::INACTIVITY_TIMEOUT_SHORT
@@ -1837,9 +1824,6 @@
     GET_METHOD_ID(gServiceClassInfo.getPointerIcon, clazz,
             "getPointerIcon", "()Landroid/view/PointerIcon;");
 
-    GET_METHOD_ID(gServiceClassInfo.getPointerDisplayId, clazz,
-            "getPointerDisplayId", "()I");
-
     GET_METHOD_ID(gServiceClassInfo.getKeyboardLayoutOverlay, clazz,
             "getKeyboardLayoutOverlay",
             "(Landroid/hardware/input/InputDeviceIdentifier;)[Ljava/lang/String;");
diff --git a/services/net/java/android/net/dhcp/DhcpServer.java b/services/net/java/android/net/dhcp/DhcpServer.java
index cee6fa9..35d29e7 100644
--- a/services/net/java/android/net/dhcp/DhcpServer.java
+++ b/services/net/java/android/net/dhcp/DhcpServer.java
@@ -39,7 +39,6 @@
 import android.net.MacAddress;
 import android.net.NetworkUtils;
 import android.net.TrafficStats;
-import android.net.util.InterfaceParams;
 import android.net.util.SharedLog;
 import android.os.Handler;
 import android.os.Looper;
@@ -85,7 +84,7 @@
     @NonNull
     private final ServerHandler mHandler;
     @NonNull
-    private final InterfaceParams mIface;
+    private final String mIfName;
     @NonNull
     private final DhcpLeaseRepository mLeaseRepo;
     @NonNull
@@ -161,20 +160,20 @@
         }
     }
 
-    public DhcpServer(@NonNull Looper looper, @NonNull InterfaceParams iface,
+    public DhcpServer(@NonNull Looper looper, @NonNull String ifName,
             @NonNull DhcpServingParams params, @NonNull SharedLog log) {
-        this(looper, iface, params, log, null);
+        this(looper, ifName, params, log, null);
     }
 
     @VisibleForTesting
-    DhcpServer(@NonNull Looper looper, @NonNull InterfaceParams iface,
+    DhcpServer(@NonNull Looper looper, @NonNull String ifName,
             @NonNull DhcpServingParams params, @NonNull SharedLog log,
             @Nullable Dependencies deps) {
         if (deps == null) {
             deps = new DependenciesImpl();
         }
         mHandler = new ServerHandler(looper);
-        mIface = iface;
+        mIfName = ifName;
         mServingParams = params;
         mLog = log;
         mDeps = deps;
@@ -444,7 +443,7 @@
 
     private boolean addArpEntry(@NonNull MacAddress macAddr, @NonNull Inet4Address inetAddr) {
         try {
-            mDeps.addArpEntry(inetAddr, macAddr, mIface.name, mSocket);
+            mDeps.addArpEntry(inetAddr, macAddr, mIfName, mSocket);
             return true;
         } catch (IOException e) {
             mLog.e("Error adding client to ARP table", e);
@@ -526,7 +525,7 @@
                 // SO_BINDTODEVICE actually takes a string. This works because the first member
                 // of struct ifreq is a NULL-terminated interface name.
                 // TODO: add a setsockoptString()
-                Os.setsockoptIfreq(mSocket, SOL_SOCKET, SO_BINDTODEVICE, mIface.name);
+                Os.setsockoptIfreq(mSocket, SOL_SOCKET, SO_BINDTODEVICE, mIfName);
                 Os.setsockoptInt(mSocket, SOL_SOCKET, SO_BROADCAST, 1);
                 Os.bind(mSocket, Inet4Address.ANY, DHCP_SERVER);
                 NetworkUtils.protectFromVpn(mSocket);
diff --git a/services/net/java/android/net/ip/IpServer.java b/services/net/java/android/net/ip/IpServer.java
index 823c0a1..493350d 100644
--- a/services/net/java/android/net/ip/IpServer.java
+++ b/services/net/java/android/net/ip/IpServer.java
@@ -138,9 +138,9 @@
             return NetdService.getInstance();
         }
 
-        public DhcpServer makeDhcpServer(Looper looper, InterfaceParams iface,
+        public DhcpServer makeDhcpServer(Looper looper, String ifName,
                 DhcpServingParams params, SharedLog log) {
-            return new DhcpServer(looper, iface, params, log);
+            return new DhcpServer(looper, ifName, params, log);
         }
     }
 
@@ -256,12 +256,6 @@
         if (mUsingLegacyDhcp) {
             return true;
         }
-
-        final InterfaceParams ifaceParams = mDeps.getInterfaceParams(mIfaceName);
-        if (ifaceParams == null) {
-            Log.e(TAG, "Failed to find interface params for DHCPv4");
-            return false;
-        }
         final DhcpServingParams params;
         try {
             params = new DhcpServingParams.Builder()
@@ -277,7 +271,7 @@
             return false;
         }
 
-        mDhcpServer = mDeps.makeDhcpServer(getHandler().getLooper(), ifaceParams, params,
+        mDhcpServer = mDeps.makeDhcpServer(getHandler().getLooper(), mIfaceName, params,
                 mLog.forSubComponent("DHCP"));
         mDhcpServer.start();
         return true;
diff --git a/services/tests/mockingservicestests/src/com/android/server/AlarmManagerServiceTest.java b/services/tests/mockingservicestests/src/com/android/server/AlarmManagerServiceTest.java
index 3979a8e..148faad 100644
--- a/services/tests/mockingservicestests/src/com/android/server/AlarmManagerServiceTest.java
+++ b/services/tests/mockingservicestests/src/com/android/server/AlarmManagerServiceTest.java
@@ -25,7 +25,6 @@
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.doReturn;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.mock;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.mockitoSession;
-import static com.android.dx.mockito.inline.extended.ExtendedMockito.spy;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.spyOn;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.verify;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.when;
@@ -42,7 +41,6 @@
 import static org.junit.Assert.assertNotNull;
 import static org.junit.Assert.assertNull;
 import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.anyInt;
 import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.ArgumentMatchers.eq;
@@ -66,7 +64,6 @@
 import android.util.Log;
 import android.util.SparseArray;
 
-import androidx.test.InstrumentationRegistry;
 import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
 
@@ -96,6 +93,8 @@
     @Mock
     private ContentResolver mMockResolver;
     @Mock
+    private Context mMockContext;
+    @Mock
     private IActivityManager mIActivityManager;
     @Mock
     private UsageStatsManagerInternal mUsageStatsManagerInternal;
@@ -221,17 +220,16 @@
                 .thenReturn(STANDBY_BUCKET_ACTIVE);
         doReturn(Looper.getMainLooper()).when(Looper::myLooper);
 
-        final Context context = spy(InstrumentationRegistry.getTargetContext());
-        when(context.getContentResolver()).thenReturn(mMockResolver);
-        doNothing().when(mMockResolver).registerContentObserver(any(), anyBoolean(), any());
+        when(mMockContext.getContentResolver()).thenReturn(mMockResolver);
         doReturn("min_futurity=0").when(() ->
                 Settings.Global.getString(mMockResolver, Settings.Global.ALARM_MANAGER_CONSTANTS));
-        mInjector = new Injector(context);
-        mService = new AlarmManagerService(context, mInjector);
+        mInjector = new Injector(mMockContext);
+        mService = new AlarmManagerService(mMockContext, mInjector);
         spyOn(mService);
         doNothing().when(mService).publishBinderService(any(), any());
         mService.onStart();
         mService.onBootPhase(SystemService.PHASE_SYSTEM_SERVICES_READY);
+        spyOn(mService.mHandler);
 
         assertEquals(0, mService.mConstants.MIN_FUTURITY);
         assertEquals(mService.mSystemUiUid, SYSTEM_UI_UID);
@@ -273,7 +271,7 @@
 
         final ArgumentCaptor<PendingIntent.OnFinished> onFinishedCaptor =
                 ArgumentCaptor.forClass(PendingIntent.OnFinished.class);
-        verify(alarmPi).send(any(Context.class), eq(0), any(Intent.class),
+        verify(alarmPi).send(eq(mMockContext), eq(0), any(Intent.class),
                 onFinishedCaptor.capture(), any(Handler.class), isNull(), any());
         verify(mWakeLock).acquire();
         onFinishedCaptor.getValue().onSendFinished(alarmPi, null, 0, null, null);
@@ -423,11 +421,23 @@
         assertNotNull(restrictedAlarms.get(TEST_CALLING_UID));
 
         listenerArgumentCaptor.getValue().unblockAlarmsForUid(TEST_CALLING_UID);
-        verify(alarmPi).send(any(Context.class), eq(0), any(Intent.class), any(),
+        verify(alarmPi).send(eq(mMockContext), eq(0), any(Intent.class), any(),
                 any(Handler.class), isNull(), any());
         assertNull(restrictedAlarms.get(TEST_CALLING_UID));
     }
 
+    @Test
+    public void sendsTimeTickOnInteractive() {
+        final ArgumentCaptor<Runnable> runnableCaptor = ArgumentCaptor.forClass(Runnable.class);
+        // Stubbing so the handler doesn't actually run the runnable.
+        doReturn(true).when(mService.mHandler).post(runnableCaptor.capture());
+        // change interactive state: false -> true
+        mService.interactiveStateChangedLocked(false);
+        mService.interactiveStateChangedLocked(true);
+        runnableCaptor.getValue().run();
+        verify(mMockContext).sendBroadcastAsUser(mService.mTimeTickIntent, UserHandle.ALL);
+    }
+
     @After
     public void tearDown() {
         if (mMockingSession != null) {
diff --git a/services/tests/mockingservicestests/src/com/android/server/DeviceIdleControllerTest.java b/services/tests/mockingservicestests/src/com/android/server/DeviceIdleControllerTest.java
index 04a8408..cff0521 100644
--- a/services/tests/mockingservicestests/src/com/android/server/DeviceIdleControllerTest.java
+++ b/services/tests/mockingservicestests/src/com/android/server/DeviceIdleControllerTest.java
@@ -203,6 +203,8 @@
                 .strictness(Strictness.LENIENT)
                 .mockStatic(LocalServices.class)
                 .startMocking();
+        spyOn(getContext());
+        doReturn(null).when(getContext()).registerReceiver(any(), any());
         doReturn(mock(ActivityManagerInternal.class))
                 .when(() -> LocalServices.getService(ActivityManagerInternal.class));
         doReturn(mock(ActivityTaskManagerInternal.class))
diff --git a/services/tests/servicestests/res/values/strings.xml b/services/tests/servicestests/res/values/strings.xml
index 57da0af..50ccd1f 100644
--- a/services/tests/servicestests/res/values/strings.xml
+++ b/services/tests/servicestests/res/values/strings.xml
@@ -32,4 +32,6 @@
     <string name="config_batterySaverDeviceSpecificConfig_1"></string>
     <string name="config_batterySaverDeviceSpecificConfig_2">cpufreq-n=1:123/2:456</string>
     <string name="config_batterySaverDeviceSpecificConfig_3">cpufreq-n=2:222,cpufreq-i=3:333/4:444</string>
+    <string name="module_1_name" translatable="false">module_1_name</string>
+    <string name="module_2_name" translatable="false">module_2_name</string>
 </resources>
diff --git a/services/tests/servicestests/res/xml/unparseable_metadata1.xml b/services/tests/servicestests/res/xml/unparseable_metadata1.xml
new file mode 100644
index 0000000..73967f1
--- /dev/null
+++ b/services/tests/servicestests/res/xml/unparseable_metadata1.xml
@@ -0,0 +1,4 @@
+<not-module-metadata>
+  <module name="@string/module_1_name" packageName="com.android.module1" isHidden="false"/>
+  <module name="@string/module_2_name" packageName="com.android.module2" isHidden="true"/>
+</not-module-metadata>
diff --git a/services/tests/servicestests/res/xml/unparseable_metadata2.xml b/services/tests/servicestests/res/xml/unparseable_metadata2.xml
new file mode 100644
index 0000000..bb5a1b2
--- /dev/null
+++ b/services/tests/servicestests/res/xml/unparseable_metadata2.xml
@@ -0,0 +1,4 @@
+<module-metadata>
+  <module name="@string/module_1_name" packageName="com.android.module1" isHidden="false"/>
+  <not-module name="@string/module_2_name" packageName="com.android.module2" isHidden="true"/>
+</module-metadata>
diff --git a/services/tests/servicestests/res/xml/well_formed_metadata.xml b/services/tests/servicestests/res/xml/well_formed_metadata.xml
new file mode 100644
index 0000000..17cc369
--- /dev/null
+++ b/services/tests/servicestests/res/xml/well_formed_metadata.xml
@@ -0,0 +1,4 @@
+<module-metadata>
+  <module name="@string/module_1_name" packageName="com.android.module1" isHidden="false"/>
+  <module name="@string/module_2_name" packageName="com.android.module2" isHidden="true"/>
+</module-metadata>
diff --git a/services/tests/servicestests/res/xml/well_formed_metadata2.xml b/services/tests/servicestests/res/xml/well_formed_metadata2.xml
new file mode 100644
index 0000000..47279e6
--- /dev/null
+++ b/services/tests/servicestests/res/xml/well_formed_metadata2.xml
@@ -0,0 +1,5 @@
+<module-metadata>
+  <module name="@string/module_1_name" packageName="com.android.module1" isHidden="false"
+    attribute1="attribute1" attribute2="attribute2" />
+  <module name="@string/module_2_name" packageName="com.android.module2" isHidden="true"/>
+</module-metadata>
diff --git a/services/tests/servicestests/src/com/android/server/am/MemoryStatUtilTest.java b/services/tests/servicestests/src/com/android/server/am/MemoryStatUtilTest.java
index 89c7b71..93cac08 100644
--- a/services/tests/servicestests/src/com/android/server/am/MemoryStatUtilTest.java
+++ b/services/tests/servicestests/src/com/android/server/am/MemoryStatUtilTest.java
@@ -20,6 +20,7 @@
 import static com.android.server.am.MemoryStatUtil.JIFFY_NANOS;
 import static com.android.server.am.MemoryStatUtil.MemoryStat;
 import static com.android.server.am.MemoryStatUtil.PAGE_SIZE;
+import static com.android.server.am.MemoryStatUtil.parseCmdlineFromProcfs;
 import static com.android.server.am.MemoryStatUtil.parseMemoryStatFromMemcg;
 import static com.android.server.am.MemoryStatUtil.parseMemoryStatFromProcfs;
 import static com.android.server.am.MemoryStatUtil.parseVmHWMFromProcfs;
@@ -31,6 +32,7 @@
 
 import org.junit.Test;
 
+import java.io.ByteArrayOutputStream;
 import java.util.Collections;
 
 /**
@@ -232,4 +234,41 @@
 
         assertEquals(0, parseVmHWMFromProcfs(null));
     }
+
+    @Test
+    public void testParseCmdlineFromProcfs_invalidValue() {
+        byte[] nothing = new byte[] {0x00, 0x74, 0x65, 0x73, 0x74}; // \0test
+
+        assertEquals("", parseCmdlineFromProcfs(bytesToString(nothing)));
+    }
+
+    @Test
+    public void testParseCmdlineFromProcfs_correctValue_noNullBytes() {
+        assertEquals("com.google.app", parseCmdlineFromProcfs("com.google.app"));
+    }
+
+    @Test
+    public void testParseCmdlineFromProcfs_correctValue_withNullBytes() {
+        byte[] trailing = new byte[] {0x74, 0x65, 0x73, 0x74, 0x00, 0x00, 0x00}; // test\0\0\0
+
+        assertEquals("test", parseCmdlineFromProcfs(bytesToString(trailing)));
+
+        // test\0\0test
+        byte[] inside = new byte[] {0x74, 0x65, 0x73, 0x74, 0x00, 0x00, 0x74, 0x65, 0x73, 0x74};
+
+        assertEquals("test", parseCmdlineFromProcfs(bytesToString(trailing)));
+    }
+
+    @Test
+    public void testParseCmdlineFromProcfs_emptyContents() {
+        assertEquals("", parseCmdlineFromProcfs(""));
+
+        assertEquals("", parseCmdlineFromProcfs(null));
+    }
+
+    private static String bytesToString(byte[] bytes) {
+        ByteArrayOutputStream output = new ByteArrayOutputStream();
+        output.write(bytes, 0, bytes.length);
+        return output.toString();
+    }
 }
diff --git a/services/tests/servicestests/src/com/android/server/pm/ModuleInfoProviderTest.java b/services/tests/servicestests/src/com/android/server/pm/ModuleInfoProviderTest.java
new file mode 100644
index 0000000..bd3d9ab
--- /dev/null
+++ b/services/tests/servicestests/src/com/android/server/pm/ModuleInfoProviderTest.java
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.server.pm;
+
+import android.content.Context;
+import android.content.pm.ModuleInfo;
+import android.test.InstrumentationTestCase;
+
+import com.android.frameworks.servicestests.R;
+
+import java.util.Collections;
+import java.util.List;
+
+public class ModuleInfoProviderTest extends InstrumentationTestCase {
+    public void testSuccessfulParse() {
+        ModuleInfoProvider provider = getProvider(R.xml.well_formed_metadata);
+
+        List<ModuleInfo> mi = provider.getInstalledModules(0);
+        assertEquals(2, mi.size());
+
+        Collections.sort(mi, (ModuleInfo m1, ModuleInfo m2) ->
+                m1.getPackageName().compareTo(m1.getPackageName()));
+        assertEquals("com.android.module1", mi.get(0).getPackageName());
+        assertEquals("com.android.module2", mi.get(1).getPackageName());
+
+        ModuleInfo mi1 = provider.getModuleInfo("com.android.module1", 0);
+        assertEquals("com.android.module1", mi1.getPackageName());
+        assertEquals("module_1_name", mi1.getName());
+        assertEquals(false, mi1.isHidden());
+
+        ModuleInfo mi2 = provider.getModuleInfo("com.android.module2", 0);
+        assertEquals("com.android.module2", mi2.getPackageName());
+        assertEquals("module_2_name", mi2.getName());
+        assertEquals(true, mi2.isHidden());
+    }
+
+    public void testParseFailure_incorrectTopLevelElement() {
+        ModuleInfoProvider provider = getProvider(R.xml.unparseable_metadata1);
+        assertEquals(0, provider.getInstalledModules(0).size());
+    }
+
+    public void testParseFailure_incorrectModuleElement() {
+        ModuleInfoProvider provider = getProvider(R.xml.unparseable_metadata2);
+        assertEquals(0, provider.getInstalledModules(0).size());
+    }
+
+    public void testParse_unknownAttributesIgnored() {
+        ModuleInfoProvider provider = getProvider(R.xml.well_formed_metadata);
+
+        List<ModuleInfo> mi = provider.getInstalledModules(0);
+        assertEquals(2, mi.size());
+
+        ModuleInfo mi1 = provider.getModuleInfo("com.android.module1", 0);
+        assertEquals("com.android.module1", mi1.getPackageName());
+        assertEquals("module_1_name", mi1.getName());
+        assertEquals(false, mi1.isHidden());
+    }
+
+    /**
+     * Constructs an {@code ModuleInfoProvider} using the test package resources.
+     */
+    private ModuleInfoProvider getProvider(int resourceId) {
+        final Context ctx = getInstrumentation().getContext();
+        return new ModuleInfoProvider(ctx.getResources().getXml(resourceId), ctx.getResources());
+    }
+}
diff --git a/services/tests/servicestests/src/com/android/server/pm/dex/PackageDexUsageTests.java b/services/tests/servicestests/src/com/android/server/pm/dex/PackageDexUsageTests.java
index 7755e94..5df4509 100644
--- a/services/tests/servicestests/src/com/android/server/pm/dex/PackageDexUsageTests.java
+++ b/services/tests/servicestests/src/com/android/server/pm/dex/PackageDexUsageTests.java
@@ -17,6 +17,7 @@
 package com.android.server.pm.dex;
 
 import static com.android.server.pm.dex.PackageDexUsage.DexUseInfo;
+import static com.android.server.pm.dex.PackageDexUsage.MAX_SECONDARY_FILES_PER_OWNER;
 import static com.android.server.pm.dex.PackageDexUsage.PackageUseInfo;
 
 import static org.junit.Assert.assertEquals;
@@ -31,24 +32,28 @@
 import androidx.test.filters.SmallTest;
 import androidx.test.runner.AndroidJUnit4;
 
+import dalvik.system.VMRuntime;
+
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
-import dalvik.system.VMRuntime;
-
 import java.io.IOException;
 import java.io.StringReader;
 import java.io.StringWriter;
+import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.HashMap;
 import java.util.HashSet;
+import java.util.List;
 import java.util.Map;
 import java.util.Set;
 
 @RunWith(AndroidJUnit4.class)
 @SmallTest
 public class PackageDexUsageTests {
+    private static final String ISA = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]);
+
     private PackageDexUsage mPackageDexUsage;
 
     private TestData mFooBaseUser0;
@@ -71,25 +76,23 @@
         String fooCodeDir = "/data/app/com.google.foo/";
         String fooDataDir = "/data/user/0/com.google.foo/";
 
-        String isa = VMRuntime.getInstructionSet(Build.SUPPORTED_ABIS[0]);
-
         mFooBaseUser0 = new TestData(fooPackageName,
-                fooCodeDir + "base.apk", 0, isa, false, true, fooPackageName);
+                fooCodeDir + "base.apk", 0, ISA, false, true, fooPackageName);
 
         mFooSplit1User0 = new TestData(fooPackageName,
-                fooCodeDir + "split-1.apk", 0, isa, false, true, fooPackageName);
+                fooCodeDir + "split-1.apk", 0, ISA, false, true, fooPackageName);
 
         mFooSplit2UsedByOtherApps0 = new TestData(fooPackageName,
-                fooCodeDir + "split-2.apk", 0, isa, true, true, "used.by.other.com");
+                fooCodeDir + "split-2.apk", 0, ISA, true, true, "used.by.other.com");
 
         mFooSecondary1User0 = new TestData(fooPackageName,
-                fooDataDir + "sec-1.dex", 0, isa, false, false, fooPackageName);
+                fooDataDir + "sec-1.dex", 0, ISA, false, false, fooPackageName);
 
         mFooSecondary1User1 = new TestData(fooPackageName,
-                fooDataDir + "sec-1.dex", 1, isa, false, false, fooPackageName);
+                fooDataDir + "sec-1.dex", 1, ISA, false, false, fooPackageName);
 
         mFooSecondary2UsedByOtherApps0 = new TestData(fooPackageName,
-                fooDataDir + "sec-2.dex", 0, isa, true, false, "used.by.other.com");
+                fooDataDir + "sec-2.dex", 0, ISA, true, false, "used.by.other.com");
 
         mInvalidIsa = new TestData(fooPackageName,
                 fooCodeDir + "base.apk", 0, "INVALID_ISA", false, true, "INALID_USER");
@@ -100,11 +103,11 @@
         String barDataDir1 = "/data/user/1/com.google.bar/";
 
         mBarBaseUser0 = new TestData(barPackageName,
-                barCodeDir + "base.apk", 0, isa, false, true, barPackageName);
+                barCodeDir + "base.apk", 0, ISA, false, true, barPackageName);
         mBarSecondary1User0 = new TestData(barPackageName,
-                barDataDir + "sec-1.dex", 0, isa, false, false, barPackageName);
+                barDataDir + "sec-1.dex", 0, ISA, false, false, barPackageName);
         mBarSecondary2User1 = new TestData(barPackageName,
-                barDataDir1 + "sec-2.dex", 1, isa, false, false, barPackageName);
+                barDataDir1 + "sec-2.dex", 1, ISA, false, false, barPackageName);
     }
 
     @Test
@@ -183,6 +186,25 @@
     }
 
     @Test
+    public void testRecordTooManySecondaries() {
+        int tooManyFiles = MAX_SECONDARY_FILES_PER_OWNER + 1;
+        List<TestData> expectedSecondaries = new ArrayList<>();
+        for (int i = 1; i <= tooManyFiles; i++) {
+            String fooPackageName = "com.google.foo";
+            TestData testData = new TestData(fooPackageName,
+                    "/data/user/0/" + fooPackageName + "/sec-" + i + "1.dex", 0, ISA, false, false,
+                    fooPackageName);
+            if (i < tooManyFiles) {
+                assertTrue("Adding " + testData.mDexFile, record(testData));
+                expectedSecondaries.add(testData);
+            } else {
+                assertFalse("Adding " + testData.mDexFile, record(testData));
+            }
+            assertPackageDexUsage(mPackageDexUsage, null, null, expectedSecondaries);
+        }
+    }
+
+    @Test
     public void testMultiplePackages() {
         assertTrue(record(mFooBaseUser0));
         assertTrue(record(mFooSecondary1User0));
@@ -540,7 +562,14 @@
 
     private void assertPackageDexUsage(PackageDexUsage packageDexUsage, Set<String> users,
             TestData primary, TestData... secondaries) {
-        String packageName = primary == null ? secondaries[0].mPackageName : primary.mPackageName;
+        assertPackageDexUsage(packageDexUsage, users, primary, Arrays.asList(secondaries));
+    }
+
+    private void assertPackageDexUsage(PackageDexUsage packageDexUsage, Set<String> users,
+            TestData primary, List<TestData> secondaries) {
+        String packageName = primary == null
+                ? secondaries.get(0).mPackageName
+                : primary.mPackageName;
         boolean primaryUsedByOtherApps = primary != null && primary.mUsedByOtherApps;
         PackageUseInfo pInfo = packageDexUsage.getPackageUseInfo(packageName);
 
@@ -554,7 +583,7 @@
         }
 
         Map<String, DexUseInfo> dexUseInfoMap = pInfo.getDexUseInfoMap();
-        assertEquals(secondaries.length, dexUseInfoMap.size());
+        assertEquals(secondaries.size(), dexUseInfoMap.size());
 
         // Check dex use info
         for (TestData testData : secondaries) {
diff --git a/services/usage/java/com/android/server/usage/UsageStatsXmlV1.java b/services/usage/java/com/android/server/usage/UsageStatsXmlV1.java
index ec475bf..eddf8f9 100644
--- a/services/usage/java/com/android/server/usage/UsageStatsXmlV1.java
+++ b/services/usage/java/com/android/server/usage/UsageStatsXmlV1.java
@@ -98,14 +98,14 @@
             stats.mLastTimeVisible = statsOut.beginTime + XmlUtils.readLongAttribute(
                     parser, LAST_TIME_VISIBLE_ATTR);
         } catch (IOException e) {
-            Log.e(TAG, "Failed to parse mLastTimeVisible", e);
+            Log.i(TAG, "Failed to parse mLastTimeVisible");
         }
 
         try {
             stats.mLastTimeForegroundServiceUsed = statsOut.beginTime + XmlUtils.readLongAttribute(
                     parser, LAST_TIME_SERVICE_USED_ATTR);
         } catch (IOException e) {
-            Log.e(TAG, "Failed to parse mLastTimeForegroundServiceUsed", e);
+            Log.i(TAG, "Failed to parse mLastTimeForegroundServiceUsed");
         }
 
         stats.mTotalTimeInForeground = XmlUtils.readLongAttribute(parser, TOTAL_TIME_ACTIVE_ATTR);
@@ -113,14 +113,14 @@
         try {
             stats.mTotalTimeVisible = XmlUtils.readLongAttribute(parser, TOTAL_TIME_VISIBLE_ATTR);
         } catch (IOException e) {
-            Log.e(TAG, "Failed to parse mTotalTimeVisible", e);
+            Log.i(TAG, "Failed to parse mTotalTimeVisible");
         }
 
         try {
             stats.mTotalTimeForegroundServiceUsed = XmlUtils.readLongAttribute(parser,
                     TOTAL_TIME_SERVICE_USED_ATTR);
         } catch (IOException e) {
-            Log.e(TAG, "Failed to parse mTotalTimeForegroundServiceUsed", e);
+            Log.i(TAG, "Failed to parse mTotalTimeForegroundServiceUsed");
         }
 
         stats.mLastEvent = XmlUtils.readIntAttribute(parser, LAST_EVENT_ATTR);
diff --git a/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java b/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java
index 99ad1f4..bbf3d45 100644
--- a/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java
+++ b/services/voiceinteraction/java/com/android/server/voiceinteraction/VoiceInteractionManagerService.java
@@ -356,7 +356,12 @@
             }
 
             // No voice interactor, we'll just set up a simple recognizer.
-            curRecognizer = findAvailRecognizer(null, userHandle);
+            initSimpleRecognizer(curInteractorInfo, userHandle);
+        }
+
+        public void initSimpleRecognizer(VoiceInteractionServiceInfo curInteractorInfo,
+                int userHandle) {
+            ComponentName curRecognizer = findAvailRecognizer(null, userHandle);
             if (curRecognizer != null) {
                 if (curInteractorInfo == null) {
                     setCurInteractor(null, userHandle);
@@ -1236,34 +1241,46 @@
                 int userHandle = UserHandle.getUserId(uid);
                 ComponentName curInteractor = getCurInteractor(userHandle);
                 ComponentName curRecognizer = getCurRecognizer(userHandle);
-                boolean hit = false;
+                boolean hitInt = false;
+                boolean hitRec = false;
                 for (String pkg : packages) {
                     if (curInteractor != null && pkg.equals(curInteractor.getPackageName())) {
-                        hit = true;
+                        hitInt = true;
                         break;
                     } else if (curRecognizer != null
                             && pkg.equals(curRecognizer.getPackageName())) {
-                        hit = true;
+                        hitRec = true;
                         break;
                     }
                 }
-                if (hit && doit) {
-                    // The user is force stopping our current interactor/recognizer.
+                if (hitInt && doit) {
+                    // The user is force stopping our current interactor.
                     // Clear the current settings and restore default state.
                     synchronized (VoiceInteractionManagerServiceStub.this) {
+                        Slog.i(TAG, "Force stopping current voice interactor: "
+                                + getCurInteractor(userHandle));
                         unloadAllKeyphraseModels();
                         if (mImpl != null) {
                             mImpl.shutdownLocked();
                             setImplLocked(null);
                         }
+
                         setCurInteractor(null, userHandle);
                         setCurRecognizer(null, userHandle);
                         resetCurAssistant(userHandle);
                         initForUser(userHandle);
                         switchImplementationIfNeededLocked(true);
                     }
+                } else if (hitRec && doit) {
+                    // We are just force-stopping the current recognizer, which is not
+                    // also the current interactor.
+                    synchronized (VoiceInteractionManagerServiceStub.this) {
+                        Slog.i(TAG, "Force stopping current voice recognizer: "
+                                + getCurRecognizer(userHandle));
+                        initSimpleRecognizer(null, userHandle);
+                    }
                 }
-                return hit;
+                return hitInt || hitRec;
             }
 
             @Override
diff --git a/startop/view_compiler/Android.bp b/startop/view_compiler/Android.bp
index de40e0d..91cec554 100644
--- a/startop/view_compiler/Android.bp
+++ b/startop/view_compiler/Android.bp
@@ -24,6 +24,9 @@
         "libdexfile",
         "slicer",
     ],
+    static_libs: [
+        "libtinyxml2",
+    ],
 }
 
 cc_library_host_static {
@@ -32,7 +35,9 @@
     srcs: [
         "dex_builder.cc",
         "java_lang_builder.cc",
+        "tinyxml_layout_parser.cc",
         "util.cc",
+        "layout_validation.cc",
     ],
 }
 
@@ -43,7 +48,6 @@
         "main.cc",
     ],
     static_libs: [
-        "libtinyxml2",
         "libgflags",
         "libviewcompiler",
     ],
@@ -54,6 +58,7 @@
     defaults: ["viewcompiler_defaults"],
     srcs: [
         "dex_builder_test.cc",
+        "layout_validation_test.cc",
         "util_test.cc",
     ],
     static_libs: [
diff --git a/startop/view_compiler/layout_validation.cc b/startop/view_compiler/layout_validation.cc
new file mode 100644
index 0000000..8c77377
--- /dev/null
+++ b/startop/view_compiler/layout_validation.cc
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "layout_validation.h"
+
+#include "android-base/stringprintf.h"
+
+namespace startop {
+
+void LayoutValidationVisitor::VisitStartTag(const std::u16string& name) {
+  if (0 == name.compare(u"merge")) {
+    message_ = "Merge tags are not supported";
+    can_compile_ = false;
+  }
+  if (0 == name.compare(u"include")) {
+    message_ = "Include tags are not supported";
+    can_compile_ = false;
+  }
+  if (0 == name.compare(u"view")) {
+    message_ = "View tags are not supported";
+    can_compile_ = false;
+  }
+  if (0 == name.compare(u"fragment")) {
+    message_ = "Fragment tags are not supported";
+    can_compile_ = false;
+  }
+}
+
+}  // namespace startop
\ No newline at end of file
diff --git a/startop/view_compiler/layout_validation.h b/startop/view_compiler/layout_validation.h
new file mode 100644
index 0000000..bed34bb
--- /dev/null
+++ b/startop/view_compiler/layout_validation.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef LAYOUT_VALIDATION_H_
+#define LAYOUT_VALIDATION_H_
+
+#include "dex_builder.h"
+
+#include <string>
+
+namespace startop {
+
+// This visitor determines whether a layout can be compiled. Since we do not currently support all
+// features, such as includes and merges, we need to pre-validate the layout before we start
+// compiling.
+class LayoutValidationVisitor {
+ public:
+  void VisitStartDocument() const {}
+  void VisitEndDocument() const {}
+  void VisitStartTag(const std::u16string& name);
+  void VisitEndTag() const {}
+
+  const std::string& message() const { return message_; }
+  bool can_compile() const { return can_compile_; }
+
+ private:
+  std::string message_{"Okay"};
+  bool can_compile_{true};
+};
+
+}  // namespace startop
+
+#endif  // LAYOUT_VALIDATION_H_
diff --git a/startop/view_compiler/layout_validation_test.cc b/startop/view_compiler/layout_validation_test.cc
new file mode 100644
index 0000000..b74cdae
--- /dev/null
+++ b/startop/view_compiler/layout_validation_test.cc
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "tinyxml_layout_parser.h"
+
+#include "gtest/gtest.h"
+
+using startop::CanCompileLayout;
+using std::string;
+
+namespace {
+void ValidateXmlText(const string& xml, bool expected) {
+  tinyxml2::XMLDocument doc;
+  doc.Parse(xml.c_str());
+  EXPECT_EQ(CanCompileLayout(doc), expected);
+}
+}  // namespace
+
+TEST(LayoutValidationTest, SingleButtonLayout) {
+  const string xml = R"(<?xml version="1.0" encoding="utf-8"?>
+<Button xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:text="Hello, World!">
+
+</Button>)";
+  ValidateXmlText(xml, /*expected=*/true);
+}
+
+TEST(LayoutValidationTest, SmallConstraintLayout) {
+  const string xml = R"(<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <Button
+        android:id="@+id/button6"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="16dp"
+        android:layout_marginBottom="16dp"
+        android:text="Button"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+    <Button
+        android:id="@+id/button7"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="8dp"
+        android:layout_marginBottom="16dp"
+        android:text="Button2"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/button6" />
+
+    <Button
+        android:id="@+id/button8"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginEnd="8dp"
+        android:layout_marginBottom="16dp"
+        android:text="Button1"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toStartOf="@+id/button7" />
+</android.support.constraint.ConstraintLayout>)";
+  ValidateXmlText(xml, /*expected=*/true);
+}
+
+TEST(LayoutValidationTest, MergeNode) {
+  const string xml = R"(<?xml version="1.0" encoding="utf-8"?>
+<merge xmlns:android="http://schemas.android.com/apk/res/android">
+
+    <TextView
+        android:id="@+id/textView3"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="TextView" />
+
+    <Button
+        android:id="@+id/button9"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="Button" />
+</merge>)";
+  ValidateXmlText(xml, /*expected=*/false);
+}
+
+TEST(LayoutValidationTest, IncludeLayout) {
+  const string xml = R"(<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <include
+        layout="@layout/single_button_layout"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</android.support.constraint.ConstraintLayout>)";
+  ValidateXmlText(xml, /*expected=*/false);
+}
+
+TEST(LayoutValidationTest, ViewNode) {
+  const string xml = R"(<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <view
+        class="android.support.design.button.MaterialButton"
+        id="@+id/view"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+</android.support.constraint.ConstraintLayout>)";
+  ValidateXmlText(xml, /*expected=*/false);
+}
+
+TEST(LayoutValidationTest, FragmentNode) {
+  // This test case is from https://developer.android.com/guide/components/fragments
+  const string xml = R"(<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:orientation="horizontal"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+    <fragment android:name="com.example.news.ArticleListFragment"
+            android:id="@+id/list"
+            android:layout_weight="1"
+            android:layout_width="0dp"
+            android:layout_height="match_parent" />
+    <fragment android:name="com.example.news.ArticleReaderFragment"
+            android:id="@+id/viewer"
+            android:layout_weight="2"
+            android:layout_width="0dp"
+            android:layout_height="match_parent" />
+</LinearLayout>)";
+  ValidateXmlText(xml, /*expected=*/false);
+}
diff --git a/startop/view_compiler/main.cc b/startop/view_compiler/main.cc
index 7d791c2..9351dc3 100644
--- a/startop/view_compiler/main.cc
+++ b/startop/view_compiler/main.cc
@@ -18,6 +18,7 @@
 
 #include "dex_builder.h"
 #include "java_lang_builder.h"
+#include "tinyxml_layout_parser.h"
 #include "util.h"
 
 #include "tinyxml2.h"
@@ -100,6 +101,12 @@
   XMLDocument xml;
   xml.LoadFile(filename);
 
+  string message{};
+  if (!startop::CanCompileLayout(xml, &message)) {
+    LOG(ERROR) << "Layout not supported: " << message;
+    return 1;
+  }
+
   std::ofstream outfile;
   if (FLAGS_out != kStdoutFilename) {
     outfile.open(FLAGS_out);
diff --git a/startop/view_compiler/tinyxml_layout_parser.cc b/startop/view_compiler/tinyxml_layout_parser.cc
new file mode 100644
index 0000000..1b3a81f
--- /dev/null
+++ b/startop/view_compiler/tinyxml_layout_parser.cc
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#include "tinyxml_layout_parser.h"
+
+#include "layout_validation.h"
+
+namespace startop {
+
+bool CanCompileLayout(const tinyxml2::XMLDocument& xml, std::string* message) {
+  LayoutValidationVisitor validator;
+  TinyXmlVisitorAdapter adapter{&validator};
+  xml.Accept(&adapter);
+
+  if (message != nullptr) {
+    *message = validator.message();
+  }
+
+  return validator.can_compile();
+}
+
+}  // namespace startop
diff --git a/startop/view_compiler/tinyxml_layout_parser.h b/startop/view_compiler/tinyxml_layout_parser.h
new file mode 100644
index 0000000..8f714a2
--- /dev/null
+++ b/startop/view_compiler/tinyxml_layout_parser.h
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef TINYXML_LAYOUT_PARSER_H_
+#define TINYXML_LAYOUT_PARSER_H_
+
+#include "tinyxml2.h"
+
+#include <codecvt>
+#include <locale>
+#include <string>
+
+namespace startop {
+
+template <typename Visitor>
+class TinyXmlVisitorAdapter : public tinyxml2::XMLVisitor {
+ public:
+  explicit TinyXmlVisitorAdapter(Visitor* visitor) : visitor_{visitor} {}
+
+  bool VisitEnter(const tinyxml2::XMLDocument& /*doc*/) override {
+    visitor_->VisitStartDocument();
+    return true;
+  }
+
+  bool VisitExit(const tinyxml2::XMLDocument& /*doc*/) override {
+    visitor_->VisitEndDocument();
+    return true;
+  }
+
+  bool VisitEnter(const tinyxml2::XMLElement& element,
+                  const tinyxml2::XMLAttribute* /*firstAttribute*/) override {
+    visitor_->VisitStartTag(
+        std::wstring_convert<std::codecvt_utf8_utf16<char16_t>, char16_t>{}.from_bytes(
+            element.Name()));
+    return true;
+  }
+
+  bool VisitExit(const tinyxml2::XMLElement& /*element*/) override {
+    visitor_->VisitEndTag();
+    return true;
+  }
+
+ private:
+  Visitor* visitor_;
+};
+
+// Returns whether a layout resource represented by a TinyXML document is supported by the layout
+// compiler.
+bool CanCompileLayout(const tinyxml2::XMLDocument& xml, std::string* message = nullptr);
+
+}  // namespace startop
+
+#endif  // TINYXML_LAYOUT_PARSER_H_
diff --git a/telephony/java/android/telephony/SubscriptionManager.java b/telephony/java/android/telephony/SubscriptionManager.java
index eaff50a..b61e99b 100644
--- a/telephony/java/android/telephony/SubscriptionManager.java
+++ b/telephony/java/android/telephony/SubscriptionManager.java
@@ -1198,7 +1198,8 @@
     }
 
     /**
-     * Request a refresh of the platform cache of profile information.
+     * Request a refresh of the platform cache of profile information for the eUICC which
+     * corresponds to the card ID returned by {@link TelephonyManager#getCardIdForDefaultEuicc()}.
      *
      * <p>Should be called by the EuiccService implementation whenever this information changes due
      * to an operation done outside the scope of a request initiated by the platform to the
@@ -1206,17 +1207,50 @@
      * were made through the EuiccService.
      *
      * <p>Requires the {@link android.Manifest.permission#WRITE_EMBEDDED_SUBSCRIPTIONS} permission.
+     *
+     * @see {@link TelephonyManager#getCardIdForDefaultEuicc()} for more information on the card ID.
+     *
      * @hide
      */
     @SystemApi
     public void requestEmbeddedSubscriptionInfoListRefresh() {
+        int cardId = TelephonyManager.from(mContext).getCardIdForDefaultEuicc();
         try {
             ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
             if (iSub != null) {
-                iSub.requestEmbeddedSubscriptionInfoListRefresh();
+                iSub.requestEmbeddedSubscriptionInfoListRefresh(cardId);
             }
         } catch (RemoteException ex) {
-            // ignore it
+            logd("requestEmbeddedSubscriptionInfoListFresh for card = " + cardId + " failed.");
+        }
+    }
+
+    /**
+     * Request a refresh of the platform cache of profile information for the eUICC with the given
+     * {@code cardId}.
+     *
+     * <p>Should be called by the EuiccService implementation whenever this information changes due
+     * to an operation done outside the scope of a request initiated by the platform to the
+     * EuiccService. There is no need to refresh for downloads, deletes, or other operations that
+     * were made through the EuiccService.
+     *
+     * <p>Requires the {@link android.Manifest.permission#WRITE_EMBEDDED_SUBSCRIPTIONS} permission.
+     *
+     * @param cardId the card ID of the eUICC.
+     *
+     * @see {@link TelephonyManager#getCardIdForDefaultEuicc()} for more information on the card ID.
+     *
+     * @hide
+     */
+    @SystemApi
+    public void requestEmbeddedSubscriptionInfoListRefresh(int cardId) {
+        try {
+            ISub iSub = ISub.Stub.asInterface(ServiceManager.getService("isub"));
+            if (iSub != null) {
+                iSub.requestEmbeddedSubscriptionInfoListRefresh(cardId);
+            }
+        } catch (RemoteException ex) {
+            logd("requestEmbeddedSubscriptionInfoListFresh for card = " + cardId + " failed.");
         }
     }
 
diff --git a/telephony/java/com/android/internal/telephony/ISub.aidl b/telephony/java/com/android/internal/telephony/ISub.aidl
index 65eedb8..d169b7d 100755
--- a/telephony/java/com/android/internal/telephony/ISub.aidl
+++ b/telephony/java/com/android/internal/telephony/ISub.aidl
@@ -104,7 +104,7 @@
     /**
      * @see android.telephony.SubscriptionManager#requestEmbeddedSubscriptionInfoListRefresh
      */
-    oneway void requestEmbeddedSubscriptionInfoListRefresh();
+    oneway void requestEmbeddedSubscriptionInfoListRefresh(int cardId);
 
     /**
      * Add a new SubscriptionInfo to subinfo database if needed
diff --git a/tests/net/java/android/net/dhcp/DhcpServerTest.java b/tests/net/java/android/net/dhcp/DhcpServerTest.java
index df34c73..ab9bd84 100644
--- a/tests/net/java/android/net/dhcp/DhcpServerTest.java
+++ b/tests/net/java/android/net/dhcp/DhcpServerTest.java
@@ -25,7 +25,6 @@
 import static junit.framework.Assert.assertEquals;
 import static junit.framework.Assert.assertFalse;
 import static junit.framework.Assert.assertNotNull;
-import static junit.framework.Assert.assertNull;
 import static junit.framework.Assert.assertTrue;
 
 import static org.mockito.ArgumentMatchers.any;
@@ -48,7 +47,6 @@
 import android.net.dhcp.DhcpLeaseRepository.OutOfAddressesException;
 import android.net.dhcp.DhcpServer.Clock;
 import android.net.dhcp.DhcpServer.Dependencies;
-import android.net.util.InterfaceParams;
 import android.net.util.SharedLog;
 import android.os.test.TestLooper;
 import android.support.test.filters.SmallTest;
@@ -74,9 +72,6 @@
 public class DhcpServerTest {
     private static final String PROP_DEXMAKER_SHARE_CLASSLOADER = "dexmaker.share_classloader";
     private static final String TEST_IFACE = "testiface";
-    private static final MacAddress TEST_IFACE_MAC = MacAddress.fromString("11:22:33:44:55:66");
-    private static final InterfaceParams TEST_IFACEPARAMS =
-            new InterfaceParams(TEST_IFACE, 1, TEST_IFACE_MAC);
 
     private static final Inet4Address TEST_SERVER_ADDR = parseAddr("192.168.0.2");
     private static final LinkAddress TEST_SERVER_LINKADDR = new LinkAddress(TEST_SERVER_ADDR, 20);
@@ -149,7 +144,7 @@
                 .build();
 
         mLooper = new TestLooper();
-        mServer = new DhcpServer(mLooper.getLooper(), TEST_IFACEPARAMS, servingParams,
+        mServer = new DhcpServer(mLooper.getLooper(), TEST_IFACE, servingParams,
                 new SharedLog(DhcpServerTest.class.getSimpleName()), mDeps);
 
         mServer.start();
diff --git a/tests/net/java/android/net/ip/IpServerTest.java b/tests/net/java/android/net/ip/IpServerTest.java
index cff0b54..2c675c6 100644
--- a/tests/net/java/android/net/ip/IpServerTest.java
+++ b/tests/net/java/android/net/ip/IpServerTest.java
@@ -404,7 +404,7 @@
 
     private void assertDhcpStarted(IpPrefix expectedPrefix) {
         verify(mDependencies, times(1)).makeDhcpServer(
-                eq(mLooper.getLooper()), eq(TEST_IFACE_PARAMS), any(), eq(mSharedLog));
+                eq(mLooper.getLooper()), eq(IFACE_NAME), any(), eq(mSharedLog));
         verify(mDhcpServer, times(1)).start();
         final DhcpServingParams params = mDhcpParamsCaptor.getValue();
         // Last address byte is random
diff --git a/tests/net/java/com/android/server/connectivity/TetheringTest.java b/tests/net/java/com/android/server/connectivity/TetheringTest.java
index bca9be7..e6b43d2 100644
--- a/tests/net/java/com/android/server/connectivity/TetheringTest.java
+++ b/tests/net/java/com/android/server/connectivity/TetheringTest.java
@@ -240,7 +240,7 @@
                 }
 
                 @Override
-                public DhcpServer makeDhcpServer(Looper looper, InterfaceParams iface,
+                public DhcpServer makeDhcpServer(Looper looper, String ifName,
                         DhcpServingParams params, SharedLog log) {
                     return mDhcpServer;
                 }
diff --git a/tools/aapt2/ResourceParser.cpp b/tools/aapt2/ResourceParser.cpp
index 9587704..c91134c 100644
--- a/tools/aapt2/ResourceParser.cpp
+++ b/tools/aapt2/ResourceParser.cpp
@@ -78,7 +78,7 @@
 
 static uint32_t ParseFormatAttribute(const StringPiece& str) {
   uint32_t mask = 0;
-  for (StringPiece part : util::Tokenize(str, '|')) {
+  for (const StringPiece& part : util::Tokenize(str, '|')) {
     StringPiece trimmed_part = util::TrimWhitespace(part);
     uint32_t type = ParseFormatType(trimmed_part);
     if (type == 0) {
diff --git a/tools/aapt2/ResourceUtils.cpp b/tools/aapt2/ResourceUtils.cpp
index da22e88..c6f9152 100644
--- a/tools/aapt2/ResourceUtils.cpp
+++ b/tools/aapt2/ResourceUtils.cpp
@@ -362,7 +362,7 @@
     return util::make_unique<BinaryPrimitive>(flags);
   }
 
-  for (StringPiece part : util::Tokenize(str, '|')) {
+  for (const StringPiece& part : util::Tokenize(str, '|')) {
     StringPiece trimmed_part = util::TrimWhitespace(part);
 
     bool flag_set = false;
diff --git a/tools/aapt2/cmd/Compile.cpp b/tools/aapt2/cmd/Compile.cpp
index fc9514a..f63a074 100644
--- a/tools/aapt2/cmd/Compile.cpp
+++ b/tools/aapt2/cmd/Compile.cpp
@@ -433,7 +433,7 @@
     }
 
     Printer r_txt_printer(&fout_text);
-    for (const auto res : xmlres->file.exported_symbols) {
+    for (const auto& res : xmlres->file.exported_symbols) {
       r_txt_printer.Print("default int id ");
       r_txt_printer.Println(res.name.entry);
     }
diff --git a/tools/aapt2/java/AnnotationProcessor.cpp b/tools/aapt2/java/AnnotationProcessor.cpp
index 8d91b00..a4610b2 100644
--- a/tools/aapt2/java/AnnotationProcessor.cpp
+++ b/tools/aapt2/java/AnnotationProcessor.cpp
@@ -113,7 +113,7 @@
 void AnnotationProcessor::Print(Printer* printer) const {
   if (has_comments_) {
     std::string result = comment_.str();
-    for (StringPiece line : util::Tokenize(result, '\n')) {
+    for (const StringPiece& line : util::Tokenize(result, '\n')) {
       printer->Println(line);
     }
     printer->Println(" */");
diff --git a/tools/aapt2/util/Files.cpp b/tools/aapt2/util/Files.cpp
index 73105e16..5cfbbf2 100644
--- a/tools/aapt2/util/Files.cpp
+++ b/tools/aapt2/util/Files.cpp
@@ -182,7 +182,7 @@
 
 std::string PackageToPath(const StringPiece& package) {
   std::string out_path;
-  for (StringPiece part : util::Tokenize(package, '.')) {
+  for (const StringPiece& part : util::Tokenize(package, '.')) {
     AppendPath(&out_path, part);
   }
   return out_path;
diff --git a/wifi/java/android/net/wifi/IWifiManager.aidl b/wifi/java/android/net/wifi/IWifiManager.aidl
index a8e82b3..0362a1b 100644
--- a/wifi/java/android/net/wifi/IWifiManager.aidl
+++ b/wifi/java/android/net/wifi/IWifiManager.aidl
@@ -197,5 +197,7 @@
     int removeNetworkSuggestions(in List<WifiNetworkSuggestion> networkSuggestions, in String packageName);
 
     String[] getFactoryMacAddresses();
+
+    void setDeviceMobilityState(int state);
 }
 
diff --git a/wifi/java/android/net/wifi/WifiManager.java b/wifi/java/android/net/wifi/WifiManager.java
index 8cb2063..a7c2ff0 100644
--- a/wifi/java/android/net/wifi/WifiManager.java
+++ b/wifi/java/android/net/wifi/WifiManager.java
@@ -4476,4 +4476,69 @@
             throw e.rethrowFromSystemServer();
         }
     }
+
+    /** @hide */
+    @Retention(RetentionPolicy.SOURCE)
+    @IntDef(prefix = {"DEVICE_MOBILITY_STATE_"}, value = {
+            DEVICE_MOBILITY_STATE_UNKNOWN,
+            DEVICE_MOBILITY_STATE_HIGH_MVMT,
+            DEVICE_MOBILITY_STATE_LOW_MVMT,
+            DEVICE_MOBILITY_STATE_STATIONARY})
+    public @interface DeviceMobilityState {}
+
+    /**
+     * Unknown device mobility state
+     *
+     * @see #setDeviceMobilityState(int)
+     *
+     * @hide
+     */
+    @SystemApi
+    public static final int DEVICE_MOBILITY_STATE_UNKNOWN = 0;
+
+    /**
+     * High movement device mobility state
+     *
+     * @see #setDeviceMobilityState(int)
+     *
+     * @hide
+     */
+    @SystemApi
+    public static final int DEVICE_MOBILITY_STATE_HIGH_MVMT = 1;
+
+    /**
+     * Low movement device mobility state
+     *
+     * @see #setDeviceMobilityState(int)
+     *
+     * @hide
+     */
+    @SystemApi
+    public static final int DEVICE_MOBILITY_STATE_LOW_MVMT = 2;
+
+    /**
+     * Stationary device mobility state
+     *
+     * @see #setDeviceMobilityState(int)
+     *
+     * @hide
+     */
+    @SystemApi
+    public static final int DEVICE_MOBILITY_STATE_STATIONARY = 3;
+
+    /**
+     * Updates the device mobility state. Wifi uses this information to adjust the interval between
+     * Wifi scans in order to balance power consumption with scan accuracy.
+     * @param state the updated device mobility state
+     * @hide
+     */
+    @SystemApi
+    @RequiresPermission(android.Manifest.permission.WIFI_SET_DEVICE_MOBILITY_STATE)
+    public void setDeviceMobilityState(@DeviceMobilityState int state) {
+        try {
+            mService.setDeviceMobilityState(state);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
 }