Merge "[Security] resolve overlay attack on RequestIgnoreBatteryOptimizations" into sc-v2-dev
diff --git a/libs/window_ext_lib.aar b/libs/window_ext_lib.aar
index cb1f242..301ff96 100644
--- a/libs/window_ext_lib.aar
+++ b/libs/window_ext_lib.aar
Binary files differ
diff --git a/res/layout/face_enroll_introduction.xml b/res/layout/face_enroll_introduction.xml
index c1c9ac6..5e7a6a1 100644
--- a/res/layout/face_enroll_introduction.xml
+++ b/res/layout/face_enroll_introduction.xml
@@ -108,6 +108,29 @@
             </LinearLayout>
 
             <LinearLayout
+                android:id="@+id/info_row_less_secure"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="horizontal"
+                android:visibility="gone">
+
+                <ImageView
+                    android:id="@+id/icon_less_secure"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:background="@drawable/ic_info_outline_24dp"/>
+                <Space
+                    android:layout_width="16dp"
+                    android:layout_height="wrap_content"/>
+                <TextView
+                    android:id="@+id/info_message_less_secure"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    style="@style/BiometricEnrollIntroMessage"
+                    android:text="@string/security_settings_face_enroll_introduction_info_less_secure" />
+            </LinearLayout>
+
+            <LinearLayout
                 android:id="@+id/info_row_require_eyes"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
diff --git a/res/values/config.xml b/res/values/config.xml
index 9ed7536..5411264 100755
--- a/res/values/config.xml
+++ b/res/values/config.xml
@@ -269,6 +269,9 @@
     <!-- ComponentName to launch a vendor-specific enrollment activity if available -->
     <string name="config_face_enroll" translatable="false"></string>
 
+    <!-- Whether to show the "less secure" info section on the face enroll intro screen -->
+    <bool name="config_face_intro_show_less_secure">false</bool>
+
     <!-- Whether to show the "require eyes" info section on the face enroll intro screen -->
     <bool name="config_face_intro_show_require_eyes">true</bool>
 
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 54e6894..41de553 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -793,6 +793,8 @@
     <string name="security_settings_face_enroll_introduction_info_looking"></string>
     <!-- Message on the face enrollment introduction page that provides information about what could cause the phone to unlock when asking for parental consent. [CHAR LIMIT=NONE] -->
     <string name="security_settings_face_enroll_introduction_info_consent_looking"></string>
+    <!-- Message on the face enrollment introduction page that provides information about the relative security of face for unlocking the phone. [CHAR LIMIT=NONE] -->
+    <string name="security_settings_face_enroll_introduction_info_less_secure"></string>
     <!-- Message on the face enrollment introduction page that provides information about how to require eyes to be open for Face Unlock. [CHAR LIMIT=NONE] -->
     <string name="security_settings_face_enroll_introduction_info_gaze"></string>
     <!-- Message on the face enrollment introduction page that provides information about how to require eyes to be open for Face Unlock when asking for parental consent. [CHAR LIMIT=NONE] -->
@@ -8489,6 +8491,9 @@
     <!-- Sound: Title for the other sounds option and associated settings page. [CHAR LIMIT=30] -->
     <string name="other_sound_settings">Other sounds</string>
 
+    <!-- Sound: Title for the option enabling spatializer effect. [CHAR LIMIT=30] -->
+    <string name="spatial_audio_title">Spatial audio</string>
+
     <!-- Sound: Other sounds: Title for the option enabling touch sounds for dial pad tones. [CHAR LIMIT=30] -->
     <string name="dial_pad_tones_title">Dial pad tones</string>
 
diff --git a/res/xml/sound_settings.xml b/res/xml/sound_settings.xml
index 56632a5..e30f139 100644
--- a/res/xml/sound_settings.xml
+++ b/res/xml/sound_settings.xml
@@ -154,6 +154,13 @@
         android:ringtoneType="alarm"
         android:order="-60"/>
 
+    <!-- Spatial audio -->
+    <SwitchPreference
+        android:key="spatial_audio"
+        android:title="@string/spatial_audio_title"
+        android:order="-55"
+        settings:controller="com.android.settings.notification.SpatialAudioPreferenceController"/>
+
     <!-- Dial pad tones -->
     <SwitchPreference
         android:key="dial_pad_tones"
diff --git a/src/com/android/settings/SettingsActivity.java b/src/com/android/settings/SettingsActivity.java
index b82bb76..dc5d68f 100644
--- a/src/com/android/settings/SettingsActivity.java
+++ b/src/com/android/settings/SettingsActivity.java
@@ -380,9 +380,11 @@
         // It's a deep link intent, SettingsHomepageActivity will set SplitPairRule and start it.
         final Intent trampolineIntent =
                 new Intent(android.provider.Settings.ACTION_SETTINGS_LARGE_SCREEN_DEEP_LINK);
+        trampolineIntent.replaceExtras(intent);
         trampolineIntent.putExtra(
                 android.provider.Settings.EXTRA_SETTINGS_LARGE_SCREEN_DEEP_LINK_INTENT_URI,
                 intent.toUri(Intent.URI_INTENT_SCHEME));
+        trampolineIntent.addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT);
         startActivity(trampolineIntent);
 
         return true;
diff --git a/src/com/android/settings/accessibility/AccessibilityMetricsFeatureProvider.java b/src/com/android/settings/accessibility/AccessibilityMetricsFeatureProvider.java
new file mode 100644
index 0000000..a9d7c05
--- /dev/null
+++ b/src/com/android/settings/accessibility/AccessibilityMetricsFeatureProvider.java
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2021 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.settings.accessibility;
+
+import android.content.ComponentName;
+
+import androidx.annotation.Nullable;
+
+/**
+ * Provider for Accessibility metrics related features.
+ */
+public interface AccessibilityMetricsFeatureProvider {
+
+    /**
+     * Returns {@link android.app.settings.SettingsEnums} value according to the {@code
+     * componentName}.
+     *
+     * @param componentName the component name of the downloaded service or activity
+     * @return value in {@link android.app.settings.SettingsEnums}
+     */
+    int getDownloadedFeatureMetricsCategory(@Nullable ComponentName componentName);
+}
diff --git a/src/com/android/settings/accessibility/AccessibilityMetricsFeatureProviderImpl.java b/src/com/android/settings/accessibility/AccessibilityMetricsFeatureProviderImpl.java
new file mode 100644
index 0000000..0f85f38
--- /dev/null
+++ b/src/com/android/settings/accessibility/AccessibilityMetricsFeatureProviderImpl.java
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2021 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.settings.accessibility;
+
+import android.app.settings.SettingsEnums;
+import android.content.ComponentName;
+
+/**
+ * Provider implementation for Accessibility metrics related features.
+ */
+public class AccessibilityMetricsFeatureProviderImpl implements
+        AccessibilityMetricsFeatureProvider {
+
+    @Override
+    public int getDownloadedFeatureMetricsCategory(ComponentName componentName) {
+        return SettingsEnums.ACCESSIBILITY_SERVICE;
+    }
+}
diff --git a/src/com/android/settings/accessibility/LaunchAccessibilityActivityPreferenceFragment.java b/src/com/android/settings/accessibility/LaunchAccessibilityActivityPreferenceFragment.java
index 98090ac..3b15830 100644
--- a/src/com/android/settings/accessibility/LaunchAccessibilityActivityPreferenceFragment.java
+++ b/src/com/android/settings/accessibility/LaunchAccessibilityActivityPreferenceFragment.java
@@ -41,6 +41,7 @@
 import androidx.preference.Preference;
 
 import com.android.settings.R;
+import com.android.settings.overlay.FeatureFactory;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -52,6 +53,19 @@
     protected static final String KEY_LAUNCH_PREFERENCE = "launch_preference";
 
     @Override
+    public int getMetricsCategory() {
+        // Retrieve from getArguments() directly because this function will be executed from
+        // onAttach(), but variable mComponentName only available after onProcessArguments()
+        // which comes from onCreateView().
+        final ComponentName componentName = getArguments().getParcelable(
+                AccessibilitySettings.EXTRA_COMPONENT_NAME);
+
+        return FeatureFactory.getFactory(getActivity().getApplicationContext())
+                .getAccessibilityMetricsFeatureProvider()
+                .getDownloadedFeatureMetricsCategory(componentName);
+    }
+
+    @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container,
             Bundle savedInstanceState) {
         final View view = super.onCreateView(inflater, container, savedInstanceState);
@@ -60,7 +74,7 @@
         initLaunchPreference();
         removePreference(KEY_USE_SERVICE_PREFERENCE);
         return view;
-    };
+    }
 
     @Override
     protected void onPreferenceToggled(String preferenceKey, boolean enabled) {
@@ -70,7 +84,6 @@
     @Override
     protected void onProcessArguments(Bundle arguments) {
         super.onProcessArguments(arguments);
-
         mComponentName = arguments.getParcelable(AccessibilitySettings.EXTRA_COMPONENT_NAME);
         final ActivityInfo info = getAccessibilityShortcutInfo().getActivityInfo();
         mPackageName = info.loadLabel(getPackageManager()).toString();
diff --git a/src/com/android/settings/accessibility/ToggleAccessibilityServicePreferenceFragment.java b/src/com/android/settings/accessibility/ToggleAccessibilityServicePreferenceFragment.java
index 0e209aa..bd63406 100644
--- a/src/com/android/settings/accessibility/ToggleAccessibilityServicePreferenceFragment.java
+++ b/src/com/android/settings/accessibility/ToggleAccessibilityServicePreferenceFragment.java
@@ -54,6 +54,7 @@
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;
 import com.android.settings.accessibility.AccessibilityUtil.UserShortcutType;
+import com.android.settings.overlay.FeatureFactory;
 import com.android.settings.password.ConfirmDeviceCredentialActivity;
 import com.android.settingslib.accessibility.AccessibilityUtils;
 
@@ -84,7 +85,15 @@
 
     @Override
     public int getMetricsCategory() {
-        return SettingsEnums.ACCESSIBILITY_SERVICE;
+        // Retrieve from getArguments() directly because this function will be executed from
+        // onAttach(), but variable mComponentName only available after onProcessArguments()
+        // which comes from onCreateView().
+        final ComponentName componentName = getArguments().getParcelable(
+                AccessibilitySettings.EXTRA_COMPONENT_NAME);
+
+        return FeatureFactory.getFactory(getActivity().getApplicationContext())
+                .getAccessibilityMetricsFeatureProvider()
+                .getDownloadedFeatureMetricsCategory(componentName);
     }
 
     @Override
diff --git a/src/com/android/settings/activityembedding/ActivityEmbeddingRulesController.java b/src/com/android/settings/activityembedding/ActivityEmbeddingRulesController.java
index a0f4aad..3967bd7 100644
--- a/src/com/android/settings/activityembedding/ActivityEmbeddingRulesController.java
+++ b/src/com/android/settings/activityembedding/ActivityEmbeddingRulesController.java
@@ -47,7 +47,7 @@
 
     public ActivityEmbeddingRulesController(Context context) {
         mContext = context;
-        mSplitController = new SplitController(context);
+        mSplitController = SplitController.getInstance();
     }
 
     /**
@@ -77,10 +77,9 @@
             boolean finishPrimaryWithSecondary, boolean finishSecondaryWithPrimary) {
         final Set<SplitPairFilter> filters = new HashSet<>();
         filters.add(new SplitPairFilter(primary, secondary,
-                null /* secondaryActivityIntentAction */,
-                null /* secondaryActivityIntentCategory */));
+                null /* secondaryActivityIntentAction */));
 
-        new SplitController(context).registerRule(new SplitPairRule(filters,
+        SplitController.getInstance().registerRule(new SplitPairRule(filters,
                 finishPrimaryWithSecondary,
                 finishSecondaryWithPrimary, true /* clearTop */,
                 ActivityEmbeddingUtils.getMinCurrentScreenSplitWidthPx(context),
@@ -91,10 +90,12 @@
 
     private void registerHomepagePlaceholderRule() {
         final Set<ActivityFilter> activityFilters = new HashSet<>();
-        activityFilters.add(new ActivityFilter(getComponentName(SettingsHomepageActivity.class)));
-        activityFilters.add(new ActivityFilter(getComponentName(Settings.class)));
+        activityFilters.add(new ActivityFilter(getComponentName(SettingsHomepageActivity.class),
+                null /* intentAction */));
+        activityFilters.add(new ActivityFilter(getComponentName(Settings.class),
+                null /* intentAction */));
         activityFilters.add(new ActivityFilter(new ComponentName(Utils.SETTINGS_PACKAGE_NAME,
-                SettingsHomepageActivity.ALIAS_DEEP_LINK)));
+                SettingsHomepageActivity.ALIAS_DEEP_LINK), null /* intentAction */));
         final Intent intent = new Intent();
         intent.setComponent(getComponentName(Settings.NetworkDashboardActivity.class));
         final SplitPlaceholderRule placeholderRule = new SplitPlaceholderRule(
diff --git a/src/com/android/settings/activityembedding/ActivityEmbeddingUtils.java b/src/com/android/settings/activityembedding/ActivityEmbeddingUtils.java
index fd66187..ab999ed 100644
--- a/src/com/android/settings/activityembedding/ActivityEmbeddingUtils.java
+++ b/src/com/android/settings/activityembedding/ActivityEmbeddingUtils.java
@@ -55,7 +55,7 @@
     public static boolean isEmbeddingActivityEnabled(Context context) {
         final boolean isFlagEnabled = FeatureFlagUtils.isEnabled(context,
                 FeatureFlagUtils.SETTINGS_SUPPORT_LARGE_SCREEN);
-        final boolean isSplitSupported = new SplitController(context).isSplitSupported();
+        final boolean isSplitSupported = SplitController.getInstance().isSplitSupported();
 
         Log.d(TAG, "isFlagEnabled = " + isFlagEnabled);
         Log.d(TAG, "isSplitSupported = " + isSplitSupported);
diff --git a/src/com/android/settings/biometrics/face/FaceEnrollIntroduction.java b/src/com/android/settings/biometrics/face/FaceEnrollIntroduction.java
index ae21177..707dea9 100644
--- a/src/com/android/settings/biometrics/face/FaceEnrollIntroduction.java
+++ b/src/com/android/settings/biometrics/face/FaceEnrollIntroduction.java
@@ -112,6 +112,14 @@
         howMessage.setText(getHowMessage());
         inControlMessage.setText(getInControlMessage());
 
+        // Set up and show the "less secure" info section if necessary.
+        if (getResources().getBoolean(R.bool.config_face_intro_show_less_secure)) {
+            final LinearLayout infoRowLessSecure = findViewById(R.id.info_row_less_secure);
+            final ImageView iconLessSecure = findViewById(R.id.icon_less_secure);
+            infoRowLessSecure.setVisibility(View.VISIBLE);
+            iconLessSecure.getBackground().setColorFilter(getIconColorFilter());
+        }
+
         // Set up and show the "require eyes" info section if necessary.
         if (getResources().getBoolean(R.bool.config_face_intro_show_require_eyes)) {
             final LinearLayout infoRowRequireEyes = findViewById(R.id.info_row_require_eyes);
diff --git a/src/com/android/settings/fuelgauge/BatteryBackupHelper.java b/src/com/android/settings/fuelgauge/BatteryBackupHelper.java
index af16edb..24080fe 100644
--- a/src/com/android/settings/fuelgauge/BatteryBackupHelper.java
+++ b/src/com/android/settings/fuelgauge/BatteryBackupHelper.java
@@ -263,7 +263,9 @@
     private boolean isSystemOrDefaultApp(String packageName) {
         final PowerAllowlistBackend powerAllowlistBackend = getPowerAllowlistBackend();
         return powerAllowlistBackend.isSysAllowlisted(packageName)
-                || powerAllowlistBackend.isDefaultActiveApp(packageName);
+                || powerAllowlistBackend.isDefaultActiveApp(packageName)
+                // Optimize mode only for app which is in the allow list not idle app.
+                || powerAllowlistBackend.isAllowlistedExceptIdle(packageName);
     }
 
     private List<ApplicationInfo> getInstalledApplications() {
diff --git a/src/com/android/settings/fuelgauge/RequestIgnoreBatteryOptimizations.java b/src/com/android/settings/fuelgauge/RequestIgnoreBatteryOptimizations.java
index 65fe45c..ee46090 100644
--- a/src/com/android/settings/fuelgauge/RequestIgnoreBatteryOptimizations.java
+++ b/src/com/android/settings/fuelgauge/RequestIgnoreBatteryOptimizations.java
@@ -19,6 +19,7 @@
 import android.Manifest;
 import android.content.DialogInterface;
 import android.content.pm.ApplicationInfo;
+import android.content.pm.PackageItemInfo;
 import android.content.pm.PackageManager;
 import android.net.Uri;
 import android.os.Bundle;
@@ -87,8 +88,11 @@
         }
 
         final AlertController.AlertParams p = mAlertParams;
+        final CharSequence appLabel = ai.loadSafeLabel(getPackageManager(),
+                PackageItemInfo.DEFAULT_MAX_LABEL_SIZE_PX, PackageItemInfo.SAFE_LABEL_FLAG_TRIM
+                        | PackageItemInfo.SAFE_LABEL_FLAG_FIRST_LINE);
         p.mTitle = getText(R.string.high_power_prompt_title);
-        p.mMessage = getString(R.string.high_power_prompt_body, ai.loadLabel(getPackageManager()));
+        p.mMessage = getString(R.string.high_power_prompt_body, appLabel);
         p.mPositiveButtonText = getText(R.string.allow);
         p.mNegativeButtonText = getText(R.string.deny);
         p.mPositiveButtonListener = this;
diff --git a/src/com/android/settings/homepage/SettingsHomepageActivity.java b/src/com/android/settings/homepage/SettingsHomepageActivity.java
index c065c75..d6a8a92 100644
--- a/src/com/android/settings/homepage/SettingsHomepageActivity.java
+++ b/src/com/android/settings/homepage/SettingsHomepageActivity.java
@@ -212,6 +212,10 @@
         intent.setAction(null);
 
         targetIntent.setFlags(targetIntent.getFlags() & ~Intent.FLAG_ACTIVITY_NEW_TASK);
+        targetIntent.addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT);
+
+        // Sender of intent may want to send intent extra data to the destination of targetIntent.
+        targetIntent.replaceExtras(intent);
 
         targetIntent.putExtra(EXTRA_IS_FROM_SETTINGS_HOMEPAGE, true);
 
diff --git a/src/com/android/settings/notification/SpatialAudioPreferenceController.java b/src/com/android/settings/notification/SpatialAudioPreferenceController.java
new file mode 100644
index 0000000..1420076
--- /dev/null
+++ b/src/com/android/settings/notification/SpatialAudioPreferenceController.java
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2021 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.settings.notification;
+
+import android.content.Context;
+import android.media.AudioManager;
+import android.media.Spatializer;
+
+import com.android.settings.core.TogglePreferenceController;
+
+/**
+ * The controller of the Spatial audio setting in the SoundSettings.
+ */
+public class SpatialAudioPreferenceController extends TogglePreferenceController {
+
+    private static final String KEY_SPATIAL_AUDIO = "spatial_audio";
+
+    private final Spatializer mSpatializer;
+
+    public SpatialAudioPreferenceController(Context context) {
+        super(context, KEY_SPATIAL_AUDIO);
+        AudioManager audioManager = context.getSystemService(AudioManager.class);
+        mSpatializer = audioManager.getSpatializer();
+    }
+
+    @Override
+    public int getAvailabilityStatus() {
+        return mSpatializer.getImmersiveAudioLevel() == Spatializer.SPATIALIZER_IMMERSIVE_LEVEL_NONE
+                ? UNSUPPORTED_ON_DEVICE : AVAILABLE;
+    }
+
+    @Override
+    public boolean isChecked() {
+        return mSpatializer.isEnabled();
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        mSpatializer.setEnabled(isChecked);
+        return isChecked == isChecked();
+    }
+}
diff --git a/src/com/android/settings/overlay/FeatureFactory.java b/src/com/android/settings/overlay/FeatureFactory.java
index cfdc9eb..93af231 100644
--- a/src/com/android/settings/overlay/FeatureFactory.java
+++ b/src/com/android/settings/overlay/FeatureFactory.java
@@ -23,6 +23,7 @@
 import androidx.annotation.Nullable;
 
 import com.android.settings.R;
+import com.android.settings.accessibility.AccessibilityMetricsFeatureProvider;
 import com.android.settings.accessibility.AccessibilitySearchFeatureProvider;
 import com.android.settings.accounts.AccountFeatureProvider;
 import com.android.settings.applications.ApplicationFeatureProvider;
@@ -111,13 +112,13 @@
     public abstract PowerUsageFeatureProvider getPowerUsageFeatureProvider(Context context);
 
     /**
-     * Retrieve implementation for Battery Status feature.
+     * Retrieves implementation for Battery Status feature.
      */
     public abstract BatteryStatusFeatureProvider getBatteryStatusFeatureProvider(
             Context context);
 
     /**
-     * Get implementation for Battery Settings provider.
+     * Gets implementation for Battery Settings provider.
      */
     public abstract BatterySettingsFeatureProvider getBatterySettingsFeatureProvider(
             Context context);
@@ -161,25 +162,30 @@
     public abstract WifiTrackerLibProvider getWifiTrackerLibProvider();
 
     /**
-     * Retrieve implementation for Extra App Info feature.
+     * Retrieves implementation for Extra App Info feature.
      */
     public abstract ExtraAppInfoFeatureProvider getExtraAppInfoFeatureProvider();
 
     /**
-     * Retrieve implementation for SecuritySettings feature.
+     * Retrieves implementation for SecuritySettings feature.
      */
     public abstract SecuritySettingsFeatureProvider getSecuritySettingsFeatureProvider();
 
     /**
-     * Retrieve implementation for Game Settings feature.
+     * Retrieves implementation for Game Settings feature.
      */
     public abstract GameSettingsFeatureProvider getGameSettingsFeatureProvider();
 
     /**
-     * Retrieve implementation for Accessibility search index feature.
+     * Retrieves implementation for Accessibility search index feature.
      */
     public abstract AccessibilitySearchFeatureProvider getAccessibilitySearchFeatureProvider();
 
+    /**
+     * Retrieves implementation for Accessibility metrics category feature.
+     */
+    public abstract AccessibilityMetricsFeatureProvider getAccessibilityMetricsFeatureProvider();
+
     public static final class FactoryNotFoundException extends RuntimeException {
         public FactoryNotFoundException(Throwable throwable) {
             super("Unable to create factory. Did you misconfigure Proguard?", throwable);
diff --git a/src/com/android/settings/overlay/FeatureFactoryImpl.java b/src/com/android/settings/overlay/FeatureFactoryImpl.java
index 9890a10..2c63856 100644
--- a/src/com/android/settings/overlay/FeatureFactoryImpl.java
+++ b/src/com/android/settings/overlay/FeatureFactoryImpl.java
@@ -25,6 +25,8 @@
 
 import androidx.annotation.Keep;
 
+import com.android.settings.accessibility.AccessibilityMetricsFeatureProvider;
+import com.android.settings.accessibility.AccessibilityMetricsFeatureProviderImpl;
 import com.android.settings.accessibility.AccessibilitySearchFeatureProvider;
 import com.android.settings.accessibility.AccessibilitySearchFeatureProviderImpl;
 import com.android.settings.accounts.AccountFeatureProvider;
@@ -109,6 +111,7 @@
     private SecuritySettingsFeatureProvider mSecuritySettingsFeatureProvider;
     private GameSettingsFeatureProvider mGameSettingsFeatureProvider;
     private AccessibilitySearchFeatureProvider mAccessibilitySearchFeatureProvider;
+    private AccessibilityMetricsFeatureProvider mAccessibilityMetricsFeatureProvider;
 
     @Override
     public SupportFeatureProvider getSupportFeatureProvider(Context context) {
@@ -346,4 +349,12 @@
         }
         return mAccessibilitySearchFeatureProvider;
     }
+
+    @Override
+    public AccessibilityMetricsFeatureProvider getAccessibilityMetricsFeatureProvider() {
+        if (mAccessibilityMetricsFeatureProvider == null) {
+            mAccessibilityMetricsFeatureProvider = new AccessibilityMetricsFeatureProviderImpl();
+        }
+        return mAccessibilityMetricsFeatureProvider;
+    }
 }
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/BatteryBackupHelperTest.java b/tests/robotests/src/com/android/settings/fuelgauge/BatteryBackupHelperTest.java
index 5ac8553..aa1caf9 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/BatteryBackupHelperTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/BatteryBackupHelperTest.java
@@ -114,6 +114,9 @@
         mockUid(1001 /*fake uid*/, PACKAGE_NAME1);
         mockUid(1002 /*fake uid*/, PACKAGE_NAME2);
         mockUid(BatteryUtils.UID_NULL, PACKAGE_NAME3);
+        doReturn(false).when(mPowerAllowlistBackend).isDefaultActiveApp(anyString());
+        doReturn(false).when(mPowerAllowlistBackend).isDefaultActiveApp(anyString());
+        doReturn(false).when(mPowerAllowlistBackend).isAllowlistedExceptIdle(anyString());
     }
 
     @After
@@ -218,7 +221,6 @@
         createTestingData(PACKAGE_NAME1, PACKAGE_NAME2, PACKAGE_NAME3);
         // Sets "com.android.testing.1" as system app.
         doReturn(true).when(mPowerAllowlistBackend).isSysAllowlisted(PACKAGE_NAME1);
-        doReturn(false).when(mPowerAllowlistBackend).isDefaultActiveApp(anyString());
 
         mBatteryBackupHelper.backupOptimizationMode(mBackupDataOutput, allowlistedApps);
 
@@ -234,7 +236,21 @@
         createTestingData(PACKAGE_NAME1, PACKAGE_NAME2, PACKAGE_NAME3);
         // Sets "com.android.testing.1" as device default app.
         doReturn(true).when(mPowerAllowlistBackend).isDefaultActiveApp(PACKAGE_NAME1);
-        doReturn(false).when(mPowerAllowlistBackend).isSysAllowlisted(anyString());
+
+        mBatteryBackupHelper.backupOptimizationMode(mBackupDataOutput, allowlistedApps);
+
+        // "com.android.testing.2" for RESTRICTED mode.
+        final String expectedResult = PACKAGE_NAME2 + ":1,";
+        verifyBackupData(expectedResult);
+    }
+
+    @Test
+    public void backupOptimizationMode_backupOptimizationAndIgnoreAppInTheAllowlist()
+            throws Exception {
+        final List<String> allowlistedApps = Arrays.asList(PACKAGE_NAME1);
+        createTestingData(PACKAGE_NAME1, PACKAGE_NAME2, PACKAGE_NAME3);
+        // Sets "com.android.testing.1" in the allowlist.
+        doReturn(true).when(mPowerAllowlistBackend).isAllowlistedExceptIdle(PACKAGE_NAME1);
 
         mBatteryBackupHelper.backupOptimizationMode(mBackupDataOutput, allowlistedApps);
 
diff --git a/tests/robotests/src/com/android/settings/notification/SpatialAudioPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/SpatialAudioPreferenceControllerTest.java
new file mode 100644
index 0000000..66d18ec
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/notification/SpatialAudioPreferenceControllerTest.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright (C) 2021 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.settings.notification;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.UNSUPPORTED_ON_DEVICE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.verify;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.media.AudioManager;
+import android.media.Spatializer;
+
+import org.junit.Before;
+import org.junit.Ignore;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Answers;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@Ignore("b/200896161")
+@RunWith(RobolectricTestRunner.class)
+public class SpatialAudioPreferenceControllerTest {
+
+    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
+    private Context mContext;
+    @Mock
+    private AudioManager mAudioManager;
+    @Mock
+    private Spatializer mSpatializer;
+
+    private SpatialAudioPreferenceController mController;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        mContext = spy(RuntimeEnvironment.application);
+        when((Object) mContext.getSystemService(AudioManager.class)).thenReturn(mAudioManager);
+        when(mAudioManager.getSpatializer()).thenReturn(mSpatializer);
+        mController = new SpatialAudioPreferenceController(mContext);
+    }
+
+    @Test
+    public void getAvailabilityStatus_levelNone_shouldReturnUnsupported() {
+        when(mSpatializer.getImmersiveAudioLevel()).thenReturn(
+                Spatializer.SPATIALIZER_IMMERSIVE_LEVEL_NONE);
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(UNSUPPORTED_ON_DEVICE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_levelMultiChannel_shouldReturnAvailable() {
+        when(mSpatializer.getImmersiveAudioLevel()).thenReturn(
+                Spatializer.SPATIALIZER_IMMERSIVE_LEVEL_MULTICHANNEL);
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+    }
+
+    @Test
+    public void setChecked_withTrue_shouldEnableSpatializer() {
+        mController.setChecked(true);
+
+        verify(mSpatializer).setEnabled(true);
+    }
+
+    @Test
+    public void setChecked_withFalse_shouldDisableSpatializer() {
+        mController.setChecked(false);
+
+        verify(mSpatializer).setEnabled(false);
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/testutils/FakeFeatureFactory.java b/tests/robotests/src/com/android/settings/testutils/FakeFeatureFactory.java
index de1af23..bc430e8 100644
--- a/tests/robotests/src/com/android/settings/testutils/FakeFeatureFactory.java
+++ b/tests/robotests/src/com/android/settings/testutils/FakeFeatureFactory.java
@@ -21,6 +21,7 @@
 
 import android.content.Context;
 
+import com.android.settings.accessibility.AccessibilityMetricsFeatureProvider;
 import com.android.settings.accessibility.AccessibilitySearchFeatureProvider;
 import com.android.settings.accounts.AccountFeatureProvider;
 import com.android.settings.applications.ApplicationFeatureProvider;
@@ -89,6 +90,7 @@
     public SecuritySettingsFeatureProvider securitySettingsFeatureProvider;
     public GameSettingsFeatureProvider gameSettingsFeatureProvider;
     public AccessibilitySearchFeatureProvider mAccessibilitySearchFeatureProvider;
+    public AccessibilityMetricsFeatureProvider mAccessibilityMetricsFeatureProvider;
 
     /**
      * Call this in {@code @Before} method of the test class to use fake factory.
@@ -139,6 +141,7 @@
         securitySettingsFeatureProvider = mock(SecuritySettingsFeatureProvider.class);
         gameSettingsFeatureProvider = mock(GameSettingsFeatureProvider.class);
         mAccessibilitySearchFeatureProvider = mock(AccessibilitySearchFeatureProvider.class);
+        mAccessibilityMetricsFeatureProvider = mock(AccessibilityMetricsFeatureProvider.class);
     }
 
     @Override
@@ -280,4 +283,9 @@
     public AccessibilitySearchFeatureProvider getAccessibilitySearchFeatureProvider() {
         return mAccessibilitySearchFeatureProvider;
     }
+
+    @Override
+    public AccessibilityMetricsFeatureProvider getAccessibilityMetricsFeatureProvider() {
+        return mAccessibilityMetricsFeatureProvider;
+    }
 }
diff --git a/tests/unit/src/com/android/settings/testutils/FakeFeatureFactory.java b/tests/unit/src/com/android/settings/testutils/FakeFeatureFactory.java
index ba7e0bd..0b6061c 100644
--- a/tests/unit/src/com/android/settings/testutils/FakeFeatureFactory.java
+++ b/tests/unit/src/com/android/settings/testutils/FakeFeatureFactory.java
@@ -19,6 +19,7 @@
 
 import android.content.Context;
 
+import com.android.settings.accessibility.AccessibilityMetricsFeatureProvider;
 import com.android.settings.accessibility.AccessibilitySearchFeatureProvider;
 import com.android.settings.accounts.AccountFeatureProvider;
 import com.android.settings.applications.ApplicationFeatureProvider;
@@ -84,6 +85,7 @@
     public SecuritySettingsFeatureProvider securitySettingsFeatureProvider;
     public GameSettingsFeatureProvider gameSettingsFeatureProvider;
     public AccessibilitySearchFeatureProvider mAccessibilitySearchFeatureProvider;
+    public AccessibilityMetricsFeatureProvider mAccessibilityMetricsFeatureProvider;
 
     /**
      * Call this in {@code @Before} method of the test class to use fake factory.
@@ -124,6 +126,8 @@
         extraAppInfoFeatureProvider = mock(ExtraAppInfoFeatureProvider.class);
         securitySettingsFeatureProvider = mock(SecuritySettingsFeatureProvider.class);
         gameSettingsFeatureProvider = mock(GameSettingsFeatureProvider.class);
+        mAccessibilitySearchFeatureProvider = mock(AccessibilitySearchFeatureProvider.class);
+        mAccessibilityMetricsFeatureProvider = mock(AccessibilityMetricsFeatureProvider.class);
     }
 
     @Override
@@ -265,4 +269,9 @@
     public AccessibilitySearchFeatureProvider getAccessibilitySearchFeatureProvider() {
         return mAccessibilitySearchFeatureProvider;
     }
+
+    @Override
+    public AccessibilityMetricsFeatureProvider getAccessibilityMetricsFeatureProvider() {
+        return mAccessibilityMetricsFeatureProvider;
+    }
 }