diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index ee11802..cfda9b7 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -517,12 +517,12 @@
         <activity android:name=".network.telephony.ToggleSubscriptionDialogActivity"
                   android:exported="false"
                   android:permission="android.permission.WRITE_EMBEDDED_SUBSCRIPTIONS"
-                  android:theme="@*android:style/Theme.DeviceDefault.Dialog.Alert.DayNight" />
+                  android:theme="@style/Theme.AlertDialog" />
 
         <activity android:name=".network.telephony.DeleteEuiccSubscriptionDialogActivity"
                   android:exported="false"
                   android:permission="android.permission.WRITE_EMBEDDED_SUBSCRIPTIONS"
-                  android:theme="@*android:style/Theme.DeviceDefault.Dialog.Alert.DayNight" />
+                  android:theme="@style/Theme.AlertDialog" />
 
         <activity
             android:name="Settings$TetherSettingsActivity"
@@ -954,7 +954,7 @@
                 <category android:name="com.android.settings.SHORTCUT" />
             </intent-filter>
             <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
-                android:value="@string/rotate_settings_class" />
+                android:value="com.android.settings.display.SmartAutoRotatePreferenceFragment" />
             <meta-data android:name="com.android.settings.PRIMARY_PROFILE_CONTROLLED"
                 android:value="true" />
         </activity>
@@ -3688,14 +3688,14 @@
             android:exported="false"
             android:permission="android.permission.WRITE_EMBEDDED_SUBSCRIPTIONS"
             android:launchMode="singleInstance"
-            android:theme="@style/Transparent" />
+            android:theme="@style/Theme.AlertDialog" />
 
         <activity
             android:name=".sim.DsdsDialogActivity"
             android:exported="false"
             android:permission="android.permission.WRITE_EMBEDDED_SUBSCRIPTIONS"
             android:launchMode="singleInstance"
-            android:theme="@style/Transparent" />
+            android:theme="@style/Theme.AlertDialog" />
 
         <service android:name=".sim.SimNotificationService"
                  android:permission="android.permission.BIND_JOB_SERVICE" />
diff --git a/res/layout/manage_applications_apps_v2.xml b/res/layout/manage_applications_apps_v2.xml
new file mode 100644
index 0000000..ecc764a
--- /dev/null
+++ b/res/layout/manage_applications_apps_v2.xml
@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:settings="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <FrameLayout
+        android:id="@+id/pinned_header"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:elevation="2dp"/>
+
+    <FrameLayout
+        android:id="@+id/list_container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:visibility="gone">
+
+        <androidx.recyclerview.widget.RecyclerView
+            android:id="@+id/apps_list"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:clipToPadding="false"
+            android:scrollbars="none"
+            settings:fastScrollEnabled="true"
+            settings:fastScrollHorizontalThumbDrawable="@drawable/thumb_drawable"
+            settings:fastScrollHorizontalTrackDrawable="@drawable/line_drawable"
+            settings:fastScrollVerticalThumbDrawable="@drawable/thumb_drawable"
+            settings:fastScrollVerticalTrackDrawable="@drawable/line_drawable"/>
+
+        <TextView
+            android:id="@android:id/empty"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:layout_gravity="center"
+            android:text="@string/no_applications"
+            android:textAppearance="?android:attr/textAppearanceLarge"
+            android:visibility="invisible"/>
+
+    </FrameLayout>
+
+    <include layout="@layout/loading_container"/>
+
+</FrameLayout>
+
+
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 534fee5..ad7fe3c 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2713,8 +2713,6 @@
     <!-- Display settings --><skip/>
     <!-- Sound & display settings screen, section header for settings related to display -->
     <string name="display_settings">Display</string>
-    <!-- Sound & display settings screen, section header for settings related to display -->
-    <string name="rotate_settings_class" translatable="false">com.android.settings.DisplaySettings</string>
     <!-- Sound & display settings screen, accelerometer-based rotation check box label -->
     <string name="accelerometer_title">Auto-rotate screen</string>
     <!-- Sound & display settings screen, locked rotation check box label [CHAR LIMIT=30] -->
@@ -12194,6 +12192,8 @@
     <!--  Strings for SIM push notifications  -->
     <!-- Category name of the notifications related to SIM setup. [CHAR LIMIT=NONE] -->
     <string name="sim_setup_channel_id">Network activation</string>
+    <!-- Title on a push notification indicating that the user's device is in the middle of switching between mobile networks. [CHAR LIMIT=NONE] -->
+    <string name="sim_switch_channel_id">Carrier switching</string>
     <!--  The title of post DSDS reboot notification. The title includes carrier's name. [CHAR LIMIT=NONE] -->
     <string name="post_dsds_reboot_notification_title_with_carrier"><xliff:g id="carrier_name" example="Google Fi">%1$s</xliff:g> is active</string>
     <!--  The body text of post DSDS reboot notification. [CHAR LIMIT=NONE] -->
@@ -12778,4 +12778,7 @@
     <string name="smart_forwarding_missing_mdn_text">Phone number is missing.</string>
     <!-- Alert Dialog text when user didn't input the phone number [CHAR LIMIT=50]-->
     <string name="smart_forwarding_missing_alert_dialog_text">OK</string>
+
+    <!-- Enable 2G: Title for if user wants to enable 2G [CHAR LIMIT=40] -->
+    <string name="enable_2g_title">Allow 2G</string>
 </resources>
diff --git a/res/xml/auto_rotate_settings.xml b/res/xml/auto_rotate_settings.xml
index dfa31f7..a316b8f 100644
--- a/res/xml/auto_rotate_settings.xml
+++ b/res/xml/auto_rotate_settings.xml
@@ -20,6 +20,13 @@
     xmlns:settings="http://schemas.android.com/apk/res-auto"
     android:title="@string/accelerometer_title" >
 
+    <Preference
+        android:key="face_rotate_permission"
+        android:title="@string/adaptive_sleep_title_no_permission"
+        android:summary="@string/adaptive_sleep_summary_no_permission"
+        android:icon="@drawable/ic_info_outline_24"
+        settings:controller="com.android.settings.display.SmartAutoRotatePermissionController" />
+
     <SwitchPreference
         android:key="face_based_rotate"
         android:title="@string/auto_rotate_switch_face_based"
diff --git a/res/xml/location_settings.xml b/res/xml/location_settings.xml
index 162dc38..fb03f4c 100644
--- a/res/xml/location_settings.xml
+++ b/res/xml/location_settings.xml
@@ -22,10 +22,16 @@
     settings:keywords="@string/keywords_location">
 
     <PreferenceCategory
-        android:key="recent_location_access"
-        android:title="@string/location_category_recent_location_access"
-        settings:controller=
-            "com.android.settings.location.RecentLocationAccessPreferenceController"/>
+        android:key="recent_location_requests"
+        android:title="@string/location_category_recent_location_requests"
+        settings:controller="com.android.settings.location.RecentLocationRequestPreferenceController"/>
+
+    <Preference
+        android:key="recent_location_requests_see_all_button"
+        android:title="@string/location_recent_location_requests_see_all"
+        android:icon="@drawable/ic_chevron_right_24dp"
+        android:fragment="com.android.settings.location.RecentLocationRequestSeeAllFragment"
+        settings:searchable="false"/>
 
     <PreferenceCategory
         android:key="location_advanced_settings"
diff --git a/res/xml/location_settings_personal.xml b/res/xml/location_settings_personal.xml
index e2a2f15..de8ed81 100644
--- a/res/xml/location_settings_personal.xml
+++ b/res/xml/location_settings_personal.xml
@@ -25,8 +25,14 @@
     <PreferenceCategory
         android:key="recent_location_requests"
         android:title="@string/location_category_recent_location_requests"
-        settings:controller=
-            "com.android.settings.location.RecentLocationAccessPreferenceController"/>
+        settings:controller="com.android.settings.location.RecentLocationRequestPreferenceController"/>
+
+    <Preference
+        android:key="recent_location_requests_see_all_button"
+        android:title="@string/location_recent_location_requests_see_all"
+        android:icon="@drawable/ic_chevron_right_24dp"
+        android:fragment="com.android.settings.location.RecentLocationRequestSeeAllFragment"
+        settings:searchable="false"/>
 
     <!-- This preference category gets removed if new_recent_location_ui is disabled -->
     <Preference
diff --git a/res/xml/location_settings_workprofile.xml b/res/xml/location_settings_workprofile.xml
index f6f2d96..f15c8d8 100644
--- a/res/xml/location_settings_workprofile.xml
+++ b/res/xml/location_settings_workprofile.xml
@@ -25,8 +25,16 @@
     <PreferenceCategory
         android:key="recent_location_requests"
         android:title="@string/location_category_recent_location_requests"
-        settings:controller=
-            "com.android.settings.location.RecentLocationAccessPreferenceController"/>
+        settings:controller="com.android.settings.location.RecentLocationRequestPreferenceController"/>
+
+    <Preference
+        android:key="recent_location_requests_see_all_button"
+        android:title="@string/location_recent_location_requests_see_all"
+        android:icon="@drawable/ic_chevron_right_24dp"
+        android:fragment="com.android.settings.location.RecentLocationRequestSeeAllFragment"
+        settings:controller="com.android.settings.core.WorkPreferenceController"
+        settings:forWork="true"
+        settings:searchable="false"/>
 
     <com.android.settingslib.RestrictedSwitchPreference
         android:key="managed_profile_location_switch"
diff --git a/res/xml/mobile_network_settings.xml b/res/xml/mobile_network_settings.xml
index a100d6b..86f5a83 100644
--- a/res/xml/mobile_network_settings.xml
+++ b/res/xml/mobile_network_settings.xml
@@ -255,4 +255,8 @@
         settings:searchable="false"
         settings:controller="com.android.settings.network.telephony.NrDisabledInDsdsFooterPreferenceController"/>
 
+    <SwitchPreference
+        android:key="enable_2g"
+        android:title="@string/enable_2g_title"
+        settings:controller="com.android.settings.network.telephony.Enable2gPreferenceController" />
 </PreferenceScreen>
diff --git a/src/com/android/settings/accessibility/ShortcutsSettingsFragment.java b/src/com/android/settings/accessibility/ShortcutsSettingsFragment.java
index 91e16f6..8426834 100644
--- a/src/com/android/settings/accessibility/ShortcutsSettingsFragment.java
+++ b/src/com/android/settings/accessibility/ShortcutsSettingsFragment.java
@@ -21,8 +21,10 @@
 import com.android.settings.R;
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
+import com.android.settingslib.search.SearchIndexable;
 
 /** Accessibility settings for accessibility shortcuts. */
+@SearchIndexable(forTarget = SearchIndexable.ALL & ~SearchIndexable.ARC)
 public class ShortcutsSettingsFragment extends DashboardFragment {
 
     private static final String TAG = "ShortcutsSettingsFragment";
diff --git a/src/com/android/settings/applications/appinfo/AppBatteryPreferenceController.java b/src/com/android/settings/applications/appinfo/AppBatteryPreferenceController.java
index 6e4818a..83b4241 100644
--- a/src/com/android/settings/applications/appinfo/AppBatteryPreferenceController.java
+++ b/src/com/android/settings/applications/appinfo/AppBatteryPreferenceController.java
@@ -19,9 +19,12 @@
 import android.content.Context;
 import android.content.pm.PackageInfo;
 import android.os.BatteryStats;
+import android.os.BatteryUsageStats;
 import android.os.Bundle;
+import android.os.UidBatteryConsumer;
 import android.os.UserManager;
 
+import androidx.annotation.NonNull;
 import androidx.annotation.VisibleForTesting;
 import androidx.loader.app.LoaderManager;
 import androidx.loader.content.Loader;
@@ -36,6 +39,7 @@
 import com.android.settings.fuelgauge.AdvancedPowerUsageDetail;
 import com.android.settings.fuelgauge.BatteryEntry;
 import com.android.settings.fuelgauge.BatteryStatsHelperLoader;
+import com.android.settings.fuelgauge.BatteryUsageStatsLoader;
 import com.android.settings.fuelgauge.BatteryUtils;
 import com.android.settingslib.core.lifecycle.Lifecycle;
 import com.android.settingslib.core.lifecycle.LifecycleObserver;
@@ -46,11 +50,19 @@
 import java.util.List;
 
 public class AppBatteryPreferenceController extends BasePreferenceController
-        implements LoaderManager.LoaderCallbacks<BatteryStatsHelper>,
-        LifecycleObserver, OnResume, OnPause {
+        implements LifecycleObserver, OnResume, OnPause {
 
     private static final String KEY_BATTERY = "battery";
 
+    // TODO(b/180630447): switch to BatteryUsageStatsLoader and remove all references to
+    // BatteryStatsHelper and BatterySipper
+    @VisibleForTesting
+    final BatteryStatsHelperLoaderCallbacks mBatteryStatsHelperLoaderCallbacks =
+            new BatteryStatsHelperLoaderCallbacks();
+    @VisibleForTesting
+    final BatteryUsageStatsLoaderCallbacks mBatteryUsageStatsLoaderCallbacks =
+            new BatteryUsageStatsLoaderCallbacks();
+
     @VisibleForTesting
     BatterySipper mSipper;
     @VisibleForTesting
@@ -58,6 +70,11 @@
     @VisibleForTesting
     BatteryUtils mBatteryUtils;
 
+    @VisibleForTesting
+    BatteryUsageStats mBatteryUsageStats;
+    @VisibleForTesting
+    UidBatteryConsumer mUidBatteryConsumer;
+
     private Preference mPreference;
     private final AppInfoDashboardFragment mParent;
     private String mBatteryPercent;
@@ -96,7 +113,8 @@
         if (isBatteryStatsAvailable()) {
             final UserManager userManager =
                     (UserManager) mContext.getSystemService(Context.USER_SERVICE);
-            final BatteryEntry entry = new BatteryEntry(mContext, null, userManager, mSipper);
+            final BatteryEntry entry = new BatteryEntry(mContext, null, userManager, mSipper,
+                    mUidBatteryConsumer);
             entry.defaultPackageName = mPackageName;
             AdvancedPowerUsageDetail.startBatteryDetailPage(mParent.getActivity(), mParent,
                     mBatteryHelper, BatteryStats.STATS_SINCE_CHARGED, entry, mBatteryPercent);
@@ -110,48 +128,48 @@
     @Override
     public void onResume() {
         mParent.getLoaderManager().restartLoader(
-                mParent.LOADER_BATTERY, Bundle.EMPTY, this);
+                AppInfoDashboardFragment.LOADER_BATTERY, Bundle.EMPTY,
+                mBatteryStatsHelperLoaderCallbacks);
+        mParent.getLoaderManager().restartLoader(
+                AppInfoDashboardFragment.LOADER_BATTERY_USAGE_STATS, Bundle.EMPTY,
+                mBatteryUsageStatsLoaderCallbacks);
     }
 
     @Override
     public void onPause() {
-        mParent.getLoaderManager().destroyLoader(mParent.LOADER_BATTERY);
+        mParent.getLoaderManager().destroyLoader(AppInfoDashboardFragment.LOADER_BATTERY);
+        mParent.getLoaderManager().destroyLoader(
+                AppInfoDashboardFragment.LOADER_BATTERY_USAGE_STATS);
     }
 
-    @Override
-    public Loader<BatteryStatsHelper> onCreateLoader(int id, Bundle args) {
-        return new BatteryStatsHelperLoader(mContext);
-    }
+    private void onLoadFinished() {
+        // Wait for both loaders to finish before proceeding.
+        if (mBatteryHelper == null || mBatteryUsageStats == null) {
+            return;
+        }
 
-    @Override
-    public void onLoadFinished(Loader<BatteryStatsHelper> loader,
-            BatteryStatsHelper batteryHelper) {
-        mBatteryHelper = batteryHelper;
         final PackageInfo packageInfo = mParent.getPackageInfo();
         if (packageInfo != null) {
-            mSipper = findTargetSipper(batteryHelper, packageInfo.applicationInfo.uid);
+            mSipper = findTargetSipper(mBatteryHelper, packageInfo.applicationInfo.uid);
+            mUidBatteryConsumer = findTargetUidBatteryConsumer(mBatteryUsageStats,
+                    packageInfo.applicationInfo.uid);
             if (mParent.getActivity() != null) {
                 updateBattery();
             }
         }
     }
 
-    @Override
-    public void onLoaderReset(Loader<BatteryStatsHelper> loader) {
-    }
-
     @VisibleForTesting
     void updateBattery() {
         mPreference.setEnabled(true);
         if (isBatteryStatsAvailable()) {
-            final int dischargeAmount = mBatteryHelper.getStats().getDischargeAmount(
-                    BatteryStats.STATS_SINCE_CHARGED);
+            final int dischargePercentage = mBatteryUsageStats.getDischargePercentage();
 
             final List<BatterySipper> usageList = new ArrayList<>(mBatteryHelper.getUsageList());
             final double hiddenAmount = mBatteryUtils.removeHiddenBatterySippers(usageList);
             final int percentOfMax = (int) mBatteryUtils.calculateBatteryPercent(
-                    mSipper.totalPowerMah, mBatteryHelper.getTotalPower(), hiddenAmount,
-                    dischargeAmount);
+                    mUidBatteryConsumer.getConsumedPower(), mBatteryUsageStats.getConsumedPower(),
+                    hiddenAmount, dischargePercentage);
             mBatteryPercent = Utils.formatPercentage(percentOfMax);
             mPreference.setSummary(mContext.getString(R.string.battery_summary, mBatteryPercent));
         } else {
@@ -161,7 +179,7 @@
 
     @VisibleForTesting
     boolean isBatteryStatsAvailable() {
-        return mBatteryHelper != null && mSipper != null;
+        return mBatteryHelper != null && mSipper != null && mUidBatteryConsumer != null;
     }
 
     @VisibleForTesting
@@ -176,4 +194,54 @@
         return null;
     }
 
+    @VisibleForTesting
+    UidBatteryConsumer findTargetUidBatteryConsumer(BatteryUsageStats batteryUsageStats, int uid) {
+        final List<UidBatteryConsumer> usageList = batteryUsageStats.getUidBatteryConsumers();
+        for (int i = 0, size = usageList.size(); i < size; i++) {
+            final UidBatteryConsumer consumer = usageList.get(i);
+            if (consumer.getUid() == uid) {
+                return consumer;
+            }
+        }
+        return null;
+    }
+
+    private class BatteryStatsHelperLoaderCallbacks
+            implements LoaderManager.LoaderCallbacks<BatteryStatsHelper> {
+        @Override
+        public Loader<BatteryStatsHelper> onCreateLoader(int id, Bundle args) {
+            return new BatteryStatsHelperLoader(mContext);
+        }
+
+        @Override
+        public void onLoadFinished(Loader<BatteryStatsHelper> loader,
+                BatteryStatsHelper batteryHelper) {
+            mBatteryHelper = batteryHelper;
+            AppBatteryPreferenceController.this.onLoadFinished();
+        }
+
+        @Override
+        public void onLoaderReset(Loader<BatteryStatsHelper> loader) {
+        }
+    }
+
+    private class BatteryUsageStatsLoaderCallbacks
+            implements LoaderManager.LoaderCallbacks<BatteryUsageStats> {
+        @Override
+        @NonNull
+        public Loader<BatteryUsageStats> onCreateLoader(int id, Bundle args) {
+            return new BatteryUsageStatsLoader(mContext);
+        }
+
+        @Override
+        public void onLoadFinished(Loader<BatteryUsageStats> loader,
+                BatteryUsageStats batteryUsageStats) {
+            mBatteryUsageStats = batteryUsageStats;
+            AppBatteryPreferenceController.this.onLoadFinished();
+        }
+
+        @Override
+        public void onLoaderReset(Loader<BatteryUsageStats> loader) {
+        }
+    }
 }
diff --git a/src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java b/src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java
index f584408..6a86c71c 100755
--- a/src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java
+++ b/src/com/android/settings/applications/appinfo/AppInfoDashboardFragment.java
@@ -95,6 +95,7 @@
     static final int LOADER_CHART_DATA = 2;
     static final int LOADER_STORAGE = 3;
     static final int LOADER_BATTERY = 4;
+    static final int LOADER_BATTERY_USAGE_STATS = 5;
 
     public static final String ARG_PACKAGE_NAME = "package";
     public static final String ARG_PACKAGE_UID = "uid";
diff --git a/src/com/android/settings/applications/manageapplications/ManageApplications.java b/src/com/android/settings/applications/manageapplications/ManageApplications.java
index c699425..707e6f4 100644
--- a/src/com/android/settings/applications/manageapplications/ManageApplications.java
+++ b/src/com/android/settings/applications/manageapplications/ManageApplications.java
@@ -398,7 +398,11 @@
             return mRootView;
         }
 
-        mRootView = inflater.inflate(R.layout.manage_applications_apps, null);
+        if (FeatureFlagUtils.isEnabled(getContext(), FeatureFlags.SILKY_HOME)) {
+            mRootView = inflater.inflate(R.layout.manage_applications_apps_v2, null);
+        } else {
+            mRootView = inflater.inflate(R.layout.manage_applications_apps, null);
+        }
         mLoadingContainer = mRootView.findViewById(R.id.loading_container);
         mListContainer = mRootView.findViewById(R.id.list_container);
         if (mListContainer != null) {
diff --git a/src/com/android/settings/display/AutoRotatePreferenceController.java b/src/com/android/settings/display/AutoRotatePreferenceController.java
index 202a085..eed8583 100644
--- a/src/com/android/settings/display/AutoRotatePreferenceController.java
+++ b/src/com/android/settings/display/AutoRotatePreferenceController.java
@@ -28,6 +28,7 @@
 import com.android.settingslib.core.lifecycle.events.OnPause;
 import com.android.settingslib.core.lifecycle.events.OnResume;
 
+// TODO b/180515542 this class is no longer needed on S+
 public class AutoRotatePreferenceController extends TogglePreferenceController implements
         PreferenceControllerMixin, Preference.OnPreferenceChangeListener, LifecycleObserver,
         OnResume, OnPause {
diff --git a/src/com/android/settings/display/SmartAutoRotateController.java b/src/com/android/settings/display/SmartAutoRotateController.java
index 228d0c7..ca196ba 100644
--- a/src/com/android/settings/display/SmartAutoRotateController.java
+++ b/src/com/android/settings/display/SmartAutoRotateController.java
@@ -17,9 +17,15 @@
 
 import static android.provider.Settings.Secure.CAMERA_AUTOROTATE;
 
+import android.Manifest;
 import android.app.settings.SettingsEnums;
 import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
 import android.provider.Settings;
+import android.service.rotationresolver.RotationResolverService;
+import android.text.TextUtils;
 
 import androidx.preference.Preference;
 
@@ -43,13 +49,17 @@
 
     @Override
     public int getAvailabilityStatus() {
-        return !RotationPolicy.isRotationLocked(mContext)
+        if (!isRotationResolverServiceAvailable(mContext)) {
+            return UNSUPPORTED_ON_DEVICE;
+        }
+        return !RotationPolicy.isRotationLocked(mContext) && hasSufficientPermission(mContext)
                 ? AVAILABLE : DISABLED_DEPENDENT_SETTING;
     }
 
     @Override
     public boolean isChecked() {
-        return Settings.Secure.getInt(mContext.getContentResolver(),
+        return hasSufficientPermission(mContext) && Settings.Secure.getInt(
+                mContext.getContentResolver(),
                 CAMERA_AUTOROTATE, 0) == 1;
     }
 
@@ -62,4 +72,24 @@
                 isChecked ? 1 : 0);
         return true;
     }
+
+    static boolean isRotationResolverServiceAvailable(Context context) {
+        final PackageManager packageManager = context.getPackageManager();
+        final String resolvePackage = packageManager.getRotationResolverPackageName();
+        if (TextUtils.isEmpty(resolvePackage)) {
+            return false;
+        }
+        final Intent intent = new Intent(RotationResolverService.SERVICE_INTERFACE).setPackage(
+                resolvePackage);
+        final ResolveInfo resolveInfo = packageManager.resolveService(intent,
+                PackageManager.MATCH_SYSTEM_ONLY);
+        return resolveInfo != null && resolveInfo.serviceInfo != null;
+    }
+
+    static boolean hasSufficientPermission(Context context) {
+        final PackageManager packageManager = context.getPackageManager();
+        final String rotationPackage = packageManager.getRotationResolverPackageName();
+        return rotationPackage != null && packageManager.checkPermission(
+                Manifest.permission.CAMERA, rotationPackage) == PackageManager.PERMISSION_GRANTED;
+    }
 }
diff --git a/src/com/android/settings/display/SmartAutoRotatePermissionController.java b/src/com/android/settings/display/SmartAutoRotatePermissionController.java
new file mode 100644
index 0000000..484db31
--- /dev/null
+++ b/src/com/android/settings/display/SmartAutoRotatePermissionController.java
@@ -0,0 +1,63 @@
+/*
+ * 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.display;
+
+import static com.android.settings.display.SmartAutoRotateController.hasSufficientPermission;
+import static com.android.settings.display.SmartAutoRotateController.isRotationResolverServiceAvailable;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.text.TextUtils;
+
+import androidx.preference.Preference;
+
+import com.android.settings.core.BasePreferenceController;
+
+/**
+ * The controller of camera based rotate permission warning preference. The preference appears when
+ * the camera permission is missing for the camera based rotation feature.
+ */
+public class SmartAutoRotatePermissionController extends BasePreferenceController {
+
+    private final Intent mIntent;
+
+    public SmartAutoRotatePermissionController(Context context, String key) {
+        super(context, key);
+        final String packageName = context.getPackageManager().getRotationResolverPackageName();
+        mIntent = new Intent(
+                android.provider.Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
+        mIntent.setData(Uri.parse("package:" + packageName));
+    }
+
+    @Override
+    @AvailabilityStatus
+    public int getAvailabilityStatus() {
+        return isRotationResolverServiceAvailable(mContext) && !hasSufficientPermission(mContext)
+                ? AVAILABLE_UNSEARCHABLE
+                : UNSUPPORTED_ON_DEVICE;
+    }
+
+    @Override
+    public boolean handlePreferenceTreeClick(Preference preference) {
+        if (TextUtils.equals(getPreferenceKey(), preference.getKey())) {
+            mContext.startActivity(mIntent);
+            return true;
+        }
+        return super.handlePreferenceTreeClick(preference);
+    }
+}
diff --git a/src/com/android/settings/display/SmartAutoRotatePreferenceFragment.java b/src/com/android/settings/display/SmartAutoRotatePreferenceFragment.java
index 205317d..130bbd8 100644
--- a/src/com/android/settings/display/SmartAutoRotatePreferenceFragment.java
+++ b/src/com/android/settings/display/SmartAutoRotatePreferenceFragment.java
@@ -15,8 +15,10 @@
  */
 package com.android.settings.display;
 
+import static com.android.settings.display.SmartAutoRotateController.hasSufficientPermission;
+import static com.android.settings.display.SmartAutoRotateController.isRotationResolverServiceAvailable;
+
 import android.app.settings.SettingsEnums;
-import android.content.Context;
 import android.os.Bundle;
 import android.text.Html;
 import android.view.LayoutInflater;
@@ -31,16 +33,12 @@
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.widget.SettingsMainSwitchBar;
-import com.android.settingslib.core.AbstractPreferenceController;
 import com.android.settingslib.search.Indexable;
-import com.android.settingslib.widget.FooterPreference;
 import com.android.settingslib.search.SearchIndexable;
-
-import java.util.ArrayList;
-import java.util.List;
+import com.android.settingslib.widget.FooterPreference;
 
 /**
- * Preference fragment used to auto rotation
+ * Preference fragment used for auto rotation
  */
 @SuppressWarnings("WeakerAccess")
 @SearchIndexable
@@ -51,7 +49,6 @@
     private RotationPolicy.RotationPolicyListener mRotationPolicyListener;
     private AutoRotateSwitchBarController mSwitchBarController;
     private static final String FACE_SWITCH_PREFERENCE_ID = "face_based_rotate";
-    private static final String SMART_AUTO_ROTATE_CONTROLLER_KEY = "auto_rotate";
 
     @Override
     protected int getPreferenceScreenResId() {
@@ -69,6 +66,12 @@
         switchBar.show();
         mSwitchBarController = new AutoRotateSwitchBarController(activity, switchBar,
                 getSettingsLifecycle());
+        final Preference footerPreference = findPreference(FooterPreference.KEY_FOOTER);
+        if (footerPreference != null) {
+            footerPreference.setTitle(Html.fromHtml(getString(R.string.smart_rotate_text_headline),
+                    Html.FROM_HTML_MODE_COMPACT));
+            footerPreference.setVisible(isRotationResolverServiceAvailable(activity));
+        }
         return view;
     }
 
@@ -82,7 +85,7 @@
                     mSwitchBarController.onChange();
                     final boolean isLocked = RotationPolicy.isRotationLocked(getContext());
                     final Preference preference = findPreference(FACE_SWITCH_PREFERENCE_ID);
-                    if (preference != null) {
+                    if (preference != null && hasSufficientPermission(getContext())) {
                         preference.setEnabled(!isLocked);
                     }
                 }
@@ -90,17 +93,11 @@
         }
         RotationPolicy.registerRotationPolicyListener(getPrefContext(),
                 mRotationPolicyListener);
-
-        findPreference(FooterPreference.KEY_FOOTER).setTitle(
-                Html.fromHtml(getString(R.string.smart_rotate_text_headline),
-                        Html.FROM_HTML_MODE_COMPACT));
     }
 
-
     @Override
     public void onPause() {
         super.onPause();
-
         if (mRotationPolicyListener != null) {
             RotationPolicy.unregisterRotationPolicyListener(getPrefContext(),
                     mRotationPolicyListener);
@@ -113,35 +110,10 @@
     }
 
     @Override
-    protected List<AbstractPreferenceController> createPreferenceControllers(Context context) {
-        return buildPreferenceControllers(context);
-    }
-
-    private static List<AbstractPreferenceController> buildPreferenceControllers(
-            Context context) {
-        final List<AbstractPreferenceController> controllers = new ArrayList<>();
-        controllers.add(
-                new SmartAutoRotatePreferenceController(context, SMART_AUTO_ROTATE_CONTROLLER_KEY));
-        return controllers;
-    }
-
-    @Override
     protected String getLogTag() {
         return TAG;
     }
 
     public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
-            new BaseSearchIndexProvider(R.xml.auto_rotate_settings) {
-
-                @Override
-                public List<AbstractPreferenceController> createPreferenceControllers(
-                        Context context) {
-                    return buildPreferenceControllers(context);
-                }
-
-                @Override
-                protected boolean isPageSearchEnabled(Context context) {
-                    return false;
-                }
-            };
+            new BaseSearchIndexProvider(R.xml.auto_rotate_settings);
 }
diff --git a/src/com/android/settings/enterprise/EnterprisePrivacyFeatureProvider.java b/src/com/android/settings/enterprise/EnterprisePrivacyFeatureProvider.java
index 62f15b9..7d28d82 100644
--- a/src/com/android/settings/enterprise/EnterprisePrivacyFeatureProvider.java
+++ b/src/com/android/settings/enterprise/EnterprisePrivacyFeatureProvider.java
@@ -85,11 +85,6 @@
     boolean isAlwaysOnVpnSetInManagedProfile();
 
     /**
-     * Returns whether the Device Owner set a recommended global HTTP proxy.
-     */
-    boolean isGlobalHttpProxySet();
-
-    /**
      * Returns the number of failed login attempts that the Device Owner or Profile Owner allows
      * before the current user is wiped, or zero if no such limit is set.
      */
diff --git a/src/com/android/settings/enterprise/EnterprisePrivacyFeatureProviderImpl.java b/src/com/android/settings/enterprise/EnterprisePrivacyFeatureProviderImpl.java
index 7a5b489..f461fe1 100644
--- a/src/com/android/settings/enterprise/EnterprisePrivacyFeatureProviderImpl.java
+++ b/src/com/android/settings/enterprise/EnterprisePrivacyFeatureProviderImpl.java
@@ -25,6 +25,7 @@
 import android.content.pm.UserInfo;
 import android.content.res.Resources;
 import android.net.ConnectivityManager;
+import android.net.VpnManager;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
@@ -48,18 +49,20 @@
     private final PackageManager mPm;
     private final UserManager mUm;
     private final ConnectivityManager mCm;
+    private final VpnManager mVm;
     private final Resources mResources;
 
     private static final int MY_USER_ID = UserHandle.myUserId();
 
     public EnterprisePrivacyFeatureProviderImpl(Context context, DevicePolicyManager dpm,
-            PackageManager pm, UserManager um, ConnectivityManager cm,
+            PackageManager pm, UserManager um, ConnectivityManager cm, VpnManager vm,
             Resources resources) {
         mContext = context.getApplicationContext();
         mDpm = dpm;
         mPm = pm;
         mUm = um;
         mCm = cm;
+        mVm = vm;
         mResources = resources;
     }
 
@@ -133,19 +136,14 @@
 
     @Override
     public boolean isAlwaysOnVpnSetInCurrentUser() {
-        return VpnUtils.isAlwaysOnVpnSet(mCm, MY_USER_ID);
+        return VpnUtils.isAlwaysOnVpnSet(mVm, MY_USER_ID);
     }
 
     @Override
     public boolean isAlwaysOnVpnSetInManagedProfile() {
         final int managedProfileUserId = getManagedProfileUserId();
         return managedProfileUserId != UserHandle.USER_NULL &&
-                VpnUtils.isAlwaysOnVpnSet(mCm, managedProfileUserId);
-    }
-
-    @Override
-    public boolean isGlobalHttpProxySet() {
-        return mCm.getGlobalProxy() != null;
+                VpnUtils.isAlwaysOnVpnSet(mVm, managedProfileUserId);
     }
 
     @Override
diff --git a/src/com/android/settings/enterprise/GlobalHttpProxyPreferenceController.java b/src/com/android/settings/enterprise/GlobalHttpProxyPreferenceController.java
index 04e63aa..6de6cde 100644
--- a/src/com/android/settings/enterprise/GlobalHttpProxyPreferenceController.java
+++ b/src/com/android/settings/enterprise/GlobalHttpProxyPreferenceController.java
@@ -14,26 +14,25 @@
 package com.android.settings.enterprise;
 
 import android.content.Context;
+import android.net.ConnectivityManager;
 
 import com.android.settings.core.PreferenceControllerMixin;
-import com.android.settings.overlay.FeatureFactory;
 import com.android.settingslib.core.AbstractPreferenceController;
 
 public class GlobalHttpProxyPreferenceController extends AbstractPreferenceController implements
         PreferenceControllerMixin {
 
     private static final String KEY_GLOBAL_HTTP_PROXY = "global_http_proxy";
-    private final EnterprisePrivacyFeatureProvider mFeatureProvider;
+    private final ConnectivityManager mCm;
 
     public GlobalHttpProxyPreferenceController(Context context) {
         super(context);
-        mFeatureProvider = FeatureFactory.getFactory(context)
-                .getEnterprisePrivacyFeatureProvider(context);
+        mCm = context.getSystemService(ConnectivityManager.class);
     }
 
     @Override
     public boolean isAvailable() {
-        return mFeatureProvider.isGlobalHttpProxySet();
+        return mCm.getGlobalProxy() != null;
     }
 
     @Override
diff --git a/src/com/android/settings/fuelgauge/BatteryAppListPreferenceController.java b/src/com/android/settings/fuelgauge/BatteryAppListPreferenceController.java
index 8d7bcd9..1a9db03 100644
--- a/src/com/android/settings/fuelgauge/BatteryAppListPreferenceController.java
+++ b/src/com/android/settings/fuelgauge/BatteryAppListPreferenceController.java
@@ -208,7 +208,7 @@
                 }
                 final UserHandle userHandle = new UserHandle(UserHandle.getUserId(sipper.getUid()));
                 final BatteryEntry entry = new BatteryEntry(mActivity, mHandler, mUserManager,
-                        sipper);
+                        sipper, null);
                 final Drawable badgedIcon = mUserManager.getBadgedIconForUser(entry.getIcon(),
                         userHandle);
                 final CharSequence contentDescription = mUserManager.getBadgedLabelForUser(
diff --git a/src/com/android/settings/fuelgauge/BatteryEntry.java b/src/com/android/settings/fuelgauge/BatteryEntry.java
index 38ae2b2..d533c80 100644
--- a/src/com/android/settings/fuelgauge/BatteryEntry.java
+++ b/src/com/android/settings/fuelgauge/BatteryEntry.java
@@ -28,6 +28,7 @@
 import android.os.Handler;
 import android.os.Process;
 import android.os.RemoteException;
+import android.os.UidBatteryConsumer;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.util.Log;
@@ -122,6 +123,7 @@
 
     public final Context context;
     public final BatterySipper sipper;
+    public final UidBatteryConsumer uidBatteryConsumer;
 
     public String name;
     public Drawable icon;
@@ -134,10 +136,41 @@
         Drawable icon;
     }
 
-    public BatteryEntry(Context context, Handler handler, UserManager um, BatterySipper sipper) {
+    public BatteryEntry(Context context, Handler handler, UserManager um, BatterySipper sipper,
+            UidBatteryConsumer uidBatteryConsumer) {
         sHandler = handler;
         this.context = context;
         this.sipper = sipper;
+        this.uidBatteryConsumer = uidBatteryConsumer;
+
+        // This condition is met when BatteryEntry is initialized from BatteryUsageStats.
+        // Once the conversion from BatteryStatsHelper is completed, the condition will
+        // always be true and can be removed.
+        if (uidBatteryConsumer != null) {
+            PackageManager pm = context.getPackageManager();
+            int uid = uidBatteryConsumer.getUid();
+            String[] packages = pm.getPackagesForUid(uid);
+            // Apps should only have one package
+            if (packages == null || packages.length != 1) {
+                name = uidBatteryConsumer.getPackageWithHighestDrain();
+            } else {
+                defaultPackageName = packages[0];
+                try {
+                    ApplicationInfo appInfo =
+                            pm.getApplicationInfo(defaultPackageName, 0 /* no flags */);
+                    name = pm.getApplicationLabel(appInfo).toString();
+                } catch (NameNotFoundException e) {
+                    Log.d(TAG, "PackageManager failed to retrieve ApplicationInfo for: "
+                            + defaultPackageName);
+                    name = defaultPackageName;
+                }
+            }
+            if ((name == null || iconId == 0) && uid != 0) {
+                getQuickNameIconForUid(uid);
+            }
+            return;
+        }
+
         switch (sipper.drainType) {
             case IDLE:
                 name = context.getResources().getString(R.string.power_idle);
diff --git a/src/com/android/settings/fuelgauge/BatteryUsageStatsLoader.java b/src/com/android/settings/fuelgauge/BatteryUsageStatsLoader.java
new file mode 100644
index 0000000..5b184a9
--- /dev/null
+++ b/src/com/android/settings/fuelgauge/BatteryUsageStatsLoader.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2020 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.fuelgauge;
+
+import android.content.Context;
+import android.os.BatteryStatsManager;
+import android.os.BatteryUsageStats;
+
+import com.android.settingslib.utils.AsyncLoaderCompat;
+
+/**
+ * Loader to get new {@link BatteryUsageStats} in the background
+ */
+public class BatteryUsageStatsLoader extends AsyncLoaderCompat<BatteryUsageStats> {
+    private final BatteryStatsManager mBatteryStatsManager;
+
+    public BatteryUsageStatsLoader(Context context) {
+        super(context);
+        mBatteryStatsManager = context.getSystemService(BatteryStatsManager.class);
+    }
+
+    @Override
+    public BatteryUsageStats loadInBackground() {
+        return mBatteryStatsManager.getBatteryUsageStats();
+    }
+
+    @Override
+    protected void onDiscardResult(BatteryUsageStats result) {
+    }
+}
diff --git a/src/com/android/settings/fuelgauge/OWNERS b/src/com/android/settings/fuelgauge/OWNERS
index 4e5ee0e..ab3da89 100644
--- a/src/com/android/settings/fuelgauge/OWNERS
+++ b/src/com/android/settings/fuelgauge/OWNERS
@@ -1,3 +1,4 @@
 # Default reviewers for this and subdirectories.
-millchen@google.com
-tmfang@google.com
+tifn@google.com
+wesleycwwang@google.com
+ykhung@google.com
diff --git a/src/com/android/settings/location/LocationSettings.java b/src/com/android/settings/location/LocationSettings.java
index 0bc7fc7..b4f0f1f 100644
--- a/src/com/android/settings/location/LocationSettings.java
+++ b/src/com/android/settings/location/LocationSettings.java
@@ -82,7 +82,7 @@
         super.onAttach(context);
 
         use(AppLocationPermissionPreferenceController.class).init(this);
-        use(RecentLocationAccessPreferenceController.class).init(this);
+        use(RecentLocationRequestPreferenceController.class).init(this);
         use(LocationServicePreferenceController.class).init(this);
         use(LocationFooterPreferenceController.class).init(this);
         use(LocationForWorkPreferenceController.class).init(this);
diff --git a/src/com/android/settings/location/LocationWorkProfileSettings.java b/src/com/android/settings/location/LocationWorkProfileSettings.java
index c312714..2bf5f98 100644
--- a/src/com/android/settings/location/LocationWorkProfileSettings.java
+++ b/src/com/android/settings/location/LocationWorkProfileSettings.java
@@ -21,6 +21,7 @@
 
 import com.android.settings.R;
 import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.dashboard.profileselector.ProfileSelectFragment;
 
 /**
  * Location Setting page for managed profile.
@@ -53,9 +54,11 @@
         use(LocationFooterPreferenceController.class).init(this);
         use(LocationForWorkPreferenceController.class).init(this);
 
-        final RecentLocationAccessPreferenceController controller =
-                use(RecentLocationAccessPreferenceController.class);
+        final int profileType = getArguments().getInt(ProfileSelectFragment.EXTRA_PROFILE);
+        final RecentLocationRequestPreferenceController controller = use(
+                RecentLocationRequestPreferenceController.class);
         controller.init(this);
+        controller.setProfileType(profileType);
     }
 
     @Override
diff --git a/src/com/android/settings/location/RecentLocationAccessPreferenceController.java b/src/com/android/settings/location/RecentLocationAccessPreferenceController.java
index 245118d..c835a51 100644
--- a/src/com/android/settings/location/RecentLocationAccessPreferenceController.java
+++ b/src/com/android/settings/location/RecentLocationAccessPreferenceController.java
@@ -13,141 +13,114 @@
  */
 package com.android.settings.location;
 
-import static android.Manifest.permission_group.LOCATION;
+import static java.util.concurrent.TimeUnit.DAYS;
 
+import android.Manifest;
 import android.content.Context;
 import android.content.Intent;
-import android.os.UserHandle;
-import android.os.UserManager;
+import android.icu.text.RelativeDateTimeFormatter;
+import android.provider.DeviceConfig;
+import android.view.View;
 
 import androidx.annotation.VisibleForTesting;
 import androidx.preference.Preference;
-import androidx.preference.PreferenceCategory;
 import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
-import com.android.settings.dashboard.DashboardFragment;
-import com.android.settings.dashboard.profileselector.ProfileSelectFragment;
+import com.android.settings.Utils;
+import com.android.settings.core.PreferenceControllerMixin;
+import com.android.settingslib.core.AbstractPreferenceController;
 import com.android.settingslib.location.RecentLocationAccesses;
-import com.android.settingslib.widget.AppPreference;
+import com.android.settingslib.utils.StringUtil;
+import com.android.settingslib.widget.AppEntitiesHeaderController;
+import com.android.settingslib.widget.AppEntityInfo;
+import com.android.settingslib.widget.LayoutPreference;
 
-import java.util.ArrayList;
 import java.util.List;
 
-/**
- * Preference controller that handles the display of apps that access locations.
- */
-public class RecentLocationAccessPreferenceController extends LocationBasePreferenceController {
-    @VisibleForTesting
-    RecentLocationAccesses mRecentLocationApps;
-    private PreferenceCategory mCategoryRecentLocationRequests;
-    private int mType = ProfileSelectFragment.ProfileType.ALL;
+public class RecentLocationAccessPreferenceController extends AbstractPreferenceController
+        implements PreferenceControllerMixin {
+    /** Key for the recent location apps dashboard */
+    private static final String KEY_APPS_DASHBOARD = "apps_dashboard";
+    private final RecentLocationAccesses mRecentLocationAccesses;
+    private AppEntitiesHeaderController mController;
+    private static final int MAXIMUM_APP_COUNT = 3;
 
-    private static class PackageEntryClickedListener implements
-            Preference.OnPreferenceClickListener {
-        private final Context mContext;
-        private final String mPackage;
-        private final UserHandle mUserHandle;
-
-        PackageEntryClickedListener(Context context, String packageName,
-                UserHandle userHandle) {
-            mContext = context;
-            mPackage = packageName;
-            mUserHandle = userHandle;
-        }
-
-        @Override
-        public boolean onPreferenceClick(Preference preference) {
-            final Intent intent = new Intent(Intent.ACTION_MANAGE_APP_PERMISSION);
-            intent.putExtra(Intent.EXTRA_PERMISSION_GROUP_NAME, LOCATION);
-            intent.putExtra(Intent.EXTRA_PACKAGE_NAME, mPackage);
-            intent.putExtra(Intent.EXTRA_USER, mUserHandle);
-            mContext.startActivity(intent);
-            return true;
-        }
-    }
-
-    public RecentLocationAccessPreferenceController(Context context, String key) {
-        this(context, key, new RecentLocationAccesses(context));
+    public RecentLocationAccessPreferenceController(Context context) {
+        this(context, new RecentLocationAccesses(context));
     }
 
     @VisibleForTesting
-    public RecentLocationAccessPreferenceController(Context context, String key,
-            RecentLocationAccesses recentLocationApps) {
-        super(context, key);
-        mRecentLocationApps = recentLocationApps;
+    RecentLocationAccessPreferenceController(Context context,
+            RecentLocationAccesses recentAccesses) {
+        super(context);
+        mRecentLocationAccesses = recentAccesses;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return KEY_APPS_DASHBOARD;
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return Boolean.parseBoolean(
+                DeviceConfig.getProperty(DeviceConfig.NAMESPACE_PRIVACY,
+                        Utils.PROPERTY_PERMISSIONS_HUB_ENABLED));
     }
 
     @Override
     public void displayPreference(PreferenceScreen screen) {
         super.displayPreference(screen);
-        mCategoryRecentLocationRequests = screen.findPreference(getPreferenceKey());
-        final Context prefContext = mCategoryRecentLocationRequests.getContext();
-        final List<RecentLocationAccesses.Access> recentLocationAccesses = new ArrayList<>();
-        final UserManager userManager = UserManager.get(mContext);
-        for (RecentLocationAccesses.Access access : mRecentLocationApps.getAppListSorted()) {
-            if (isRequestMatchesProfileType(userManager, access, mType)) {
-                recentLocationAccesses.add(access);
-            }
-        }
-
-        if (recentLocationAccesses.size() > 0) {
-            // Add preferences to container in original order (already sorted by recency).
-            for (RecentLocationAccesses.Access access : recentLocationAccesses) {
-                mCategoryRecentLocationRequests.addPreference(
-                        createAppPreference(prefContext, access, mFragment));
-            }
-        } else {
-            // If there's no item to display, add a "No recent apps" item.
-            final Preference banner = new AppPreference(prefContext);
-            banner.setTitle(R.string.location_no_recent_accesses);
-            banner.setSelectable(false);
-            mCategoryRecentLocationRequests.addPreference(banner);
-        }
+        final LayoutPreference preference = screen.findPreference(KEY_APPS_DASHBOARD);
+        final View view = preference.findViewById(R.id.app_entities_header);
+        mController = AppEntitiesHeaderController.newInstance(mContext, view)
+                .setHeaderTitleRes(R.string.location_category_recent_location_access)
+                .setHeaderDetailsRes(R.string.location_recent_location_access_view_details)
+                .setHeaderEmptyRes(R.string.location_no_recent_accesses)
+                .setHeaderDetailsClickListener((View v) -> {
+                    final Intent intent = new Intent(Intent.ACTION_REVIEW_PERMISSION_USAGE);
+                    intent.putExtra(Intent.EXTRA_PERMISSION_NAME,
+                            Manifest.permission.ACCESS_FINE_LOCATION);
+                    intent.putExtra(Intent.EXTRA_DURATION_MILLIS, DAYS.toMillis(1));
+                    mContext.startActivity(intent);
+                });
     }
 
     @Override
-    public void onLocationModeChanged(int mode, boolean restricted) {
-        mCategoryRecentLocationRequests.setEnabled(mLocationEnabler.isEnabled(mode));
+    public void updateState(Preference preference) {
+        updateRecentApps();
     }
 
-    /**
-     * Initialize {@link ProfileSelectFragment.ProfileType} of the controller
-     *
-     * @param type {@link ProfileSelectFragment.ProfileType} of the controller.
-     */
-    public void setProfileType(@ProfileSelectFragment.ProfileType int type) {
-        mType = type;
-    }
-
-    /**
-     * Create a {@link AppPreference}
-     */
-    public static AppPreference createAppPreference(Context prefContext,
-            RecentLocationAccesses.Access access, DashboardFragment fragment) {
-        final AppPreference pref = new AppPreference(prefContext);
-        pref.setIcon(access.icon);
-        pref.setTitle(access.label);
-        pref.setOnPreferenceClickListener(new PackageEntryClickedListener(
-                fragment.getContext(), access.packageName, access.userHandle));
-        return pref;
-    }
-
-    /**
-     * Return if the {@link RecentLocationAccesses.Access} matches current UI
-     * {@ProfileSelectFragment.ProfileType}
-     */
-    public static boolean isRequestMatchesProfileType(UserManager userManager,
-            RecentLocationAccesses.Access access, @ProfileSelectFragment.ProfileType int type) {
-
-        final boolean isWorkProfile = userManager.isManagedProfile(
-                access.userHandle.getIdentifier());
-        if (isWorkProfile && (type & ProfileSelectFragment.ProfileType.WORK) != 0) {
-            return true;
+    private void updateRecentApps() {
+        final List<RecentLocationAccesses.Access> recentLocationAccesses =
+                mRecentLocationAccesses.getAppListSorted();
+        if (recentLocationAccesses.size() > 0) {
+            // Display the top 3 preferences to container in original order.
+            int i = 0;
+            for (; i < Math.min(recentLocationAccesses.size(), MAXIMUM_APP_COUNT); i++) {
+                final RecentLocationAccesses.Access access = recentLocationAccesses.get(i);
+                final AppEntityInfo appEntityInfo = new AppEntityInfo.Builder()
+                        .setIcon(access.icon)
+                        .setTitle(access.label)
+                        .setSummary(StringUtil.formatRelativeTime(mContext,
+                                System.currentTimeMillis() - access.accessFinishTime, false,
+                                RelativeDateTimeFormatter.Style.SHORT))
+                        .setOnClickListener((v) -> {
+                            final Intent intent = new Intent(Intent.ACTION_MANAGE_APP_PERMISSION);
+                            intent.putExtra(Intent.EXTRA_PERMISSION_NAME,
+                                    Manifest.permission.ACCESS_FINE_LOCATION);
+                            intent.putExtra(Intent.EXTRA_PACKAGE_NAME, access.packageName);
+                            intent.putExtra(Intent.EXTRA_USER, access.userHandle);
+                            mContext.startActivity(intent);
+                        })
+                        .build();
+                mController.setAppEntity(i, appEntityInfo);
+            }
+            for (; i < MAXIMUM_APP_COUNT; i++) {
+                mController.removeAppEntity(i);
+            }
         }
-        if (!isWorkProfile && (type & ProfileSelectFragment.ProfileType.PERSONAL) != 0) {
-            return true;
-        }
-        return false;
+        mController.apply();
     }
 }
diff --git a/src/com/android/settings/network/telephony/Enable2gPreferenceController.java b/src/com/android/settings/network/telephony/Enable2gPreferenceController.java
new file mode 100644
index 0000000..1fa4300
--- /dev/null
+++ b/src/com/android/settings/network/telephony/Enable2gPreferenceController.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2020 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.network.telephony;
+
+import android.content.Context;
+import android.os.PersistableBundle;
+import android.telephony.CarrierConfigManager;
+import android.telephony.SubscriptionManager;
+import android.telephony.TelephonyManager;
+import android.util.Log;
+
+/**
+ * Preference controller for "Enable 2G"
+ */
+public class Enable2gPreferenceController extends TelephonyTogglePreferenceController {
+
+    private static final String LOG_TAG = "Enable2gPreferenceController";
+    private static final long BITMASK_2G =  TelephonyManager.NETWORK_TYPE_BITMASK_GSM
+                | TelephonyManager.NETWORK_TYPE_BITMASK_GPRS
+                | TelephonyManager.NETWORK_TYPE_BITMASK_EDGE
+                | TelephonyManager.NETWORK_TYPE_BITMASK_CDMA;
+
+    private CarrierConfigManager mCarrierConfigManager;
+    private TelephonyManager mTelephonyManager;
+
+    /**
+     * Class constructor of "Enable 2G" toggle.
+     *
+     * @param context of settings
+     * @param key assigned within UI entry of XML file
+     */
+    public Enable2gPreferenceController(Context context, String key) {
+        super(context, key);
+        mCarrierConfigManager = context.getSystemService(CarrierConfigManager.class);
+    }
+
+    /**
+     * Initialization based on a given subscription id.
+     *
+     * @param subId is the subscription id
+     * @return this instance after initialization
+     */
+    public Enable2gPreferenceController init(int subId) {
+        mSubId = subId;
+        mTelephonyManager = mContext.getSystemService(TelephonyManager.class)
+              .createForSubscriptionId(mSubId);
+        return this;
+    }
+
+    @Override
+    public int getAvailabilityStatus(int subId) {
+        final PersistableBundle carrierConfig = mCarrierConfigManager.getConfigForSubId(subId);
+        boolean visible =
+                subId != SubscriptionManager.INVALID_SUBSCRIPTION_ID
+                && carrierConfig != null
+                && !carrierConfig.getBoolean(CarrierConfigManager.KEY_HIDE_ENABLE_2G)
+                && mTelephonyManager.isRadioInterfaceCapabilitySupported(
+                    mTelephonyManager.CAPABILITY_ALLOWED_NETWORK_TYPES_USED);
+        return visible ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
+    }
+
+    @Override
+    public boolean isChecked() {
+        long currentlyAllowedNetworkTypes = mTelephonyManager.getAllowedNetworkTypesForReason(
+                mTelephonyManager.ALLOWED_NETWORK_TYPES_REASON_ENABLE_2G);
+        return (currentlyAllowedNetworkTypes & BITMASK_2G) != 0;
+    }
+
+    @Override
+    public boolean setChecked(boolean isChecked) {
+        long currentlyAllowedNetworkTypes = mTelephonyManager.getAllowedNetworkTypesForReason(
+                mTelephonyManager.ALLOWED_NETWORK_TYPES_REASON_ENABLE_2G);
+        boolean enabled = (currentlyAllowedNetworkTypes & BITMASK_2G) != 0;
+        if (enabled == isChecked) {
+            return false;
+        }
+        long newAllowedNetworkTypes = currentlyAllowedNetworkTypes;
+        if (isChecked) {
+            newAllowedNetworkTypes = currentlyAllowedNetworkTypes | BITMASK_2G;
+            Log.i(LOG_TAG, "Enabling 2g. Allowed network types: " + newAllowedNetworkTypes);
+        } else {
+            newAllowedNetworkTypes = currentlyAllowedNetworkTypes & ~BITMASK_2G;
+            Log.i(LOG_TAG, "Disabling 2g. Allowed network types: " + newAllowedNetworkTypes);
+        }
+        mTelephonyManager.setAllowedNetworkTypesForReason(
+                mTelephonyManager.ALLOWED_NETWORK_TYPES_REASON_ENABLE_2G, newAllowedNetworkTypes);
+        return true;
+    }
+}
diff --git a/src/com/android/settings/network/telephony/MobileNetworkSettings.java b/src/com/android/settings/network/telephony/MobileNetworkSettings.java
index 0d842ef..9a4cb40 100644
--- a/src/com/android/settings/network/telephony/MobileNetworkSettings.java
+++ b/src/com/android/settings/network/telephony/MobileNetworkSettings.java
@@ -158,6 +158,7 @@
         use(PreferredNetworkModePreferenceController.class).init(mSubId);
         use(EnabledNetworkModePreferenceController.class).init(getLifecycle(), mSubId);
         use(DataServiceSetupPreferenceController.class).init(mSubId);
+        use(Enable2gPreferenceController.class).init(mSubId);
 
         final WifiCallingPreferenceController wifiCallingPreferenceController =
                 use(WifiCallingPreferenceController.class).init(mSubId);
diff --git a/src/com/android/settings/notification/AssistantFeedbackPreferenceController.java b/src/com/android/settings/notification/AssistantFeedbackPreferenceController.java
deleted file mode 100644
index 491fd8b..0000000
--- a/src/com/android/settings/notification/AssistantFeedbackPreferenceController.java
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- * Copyright (C) 2020 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 android.provider.Settings.Global.NOTIFICATION_FEEDBACK_ENABLED;
-
-import android.content.ContentResolver;
-import android.content.Context;
-import android.database.ContentObserver;
-import android.net.Uri;
-import android.os.Handler;
-import android.provider.DeviceConfig;
-import android.provider.Settings;
-
-import androidx.preference.Preference;
-import androidx.preference.PreferenceScreen;
-
-import com.android.internal.config.sysui.SystemUiDeviceConfigFlags;
-import com.android.settings.core.PreferenceControllerMixin;
-import com.android.settings.core.TogglePreferenceController;
-import com.android.settingslib.core.lifecycle.LifecycleObserver;
-import com.android.settingslib.core.lifecycle.events.OnPause;
-import com.android.settingslib.core.lifecycle.events.OnResume;
-
-import com.google.common.annotations.VisibleForTesting;
-
-public class AssistantFeedbackPreferenceController extends TogglePreferenceController
-        implements PreferenceControllerMixin, Preference.OnPreferenceChangeListener,
-        LifecycleObserver, OnResume, OnPause {
-
-    @VisibleForTesting
-    static final int ON = 1;
-    @VisibleForTesting
-    static final int OFF = 0;
-
-    private SettingObserver mSettingObserver;
-
-    public AssistantFeedbackPreferenceController(Context context,
-            String preferenceKey) {
-        super(context, preferenceKey);
-    }
-
-    @Override
-    public void displayPreference(PreferenceScreen screen) {
-        super.displayPreference(screen);
-        Preference preference = screen.findPreference(NOTIFICATION_FEEDBACK_ENABLED);
-        if (preference != null) {
-            mSettingObserver = new SettingObserver(preference);
-        }
-    }
-
-    @Override
-    public void onResume() {
-        if (mSettingObserver != null) {
-            mSettingObserver.register(mContext.getContentResolver(), true /* register */);
-        }
-    }
-
-    @Override
-    public void onPause() {
-        if (mSettingObserver != null) {
-            mSettingObserver.register(mContext.getContentResolver(), false /* register */);
-        }
-    }
-
-    @Override
-    public int getAvailabilityStatus() {
-        return DeviceConfig.getBoolean(DeviceConfig.NAMESPACE_SYSTEMUI,
-                        SystemUiDeviceConfigFlags.ENABLE_NAS_FEEDBACK, false)
-                ? AVAILABLE : CONDITIONALLY_UNAVAILABLE;
-    }
-
-    @Override
-    public boolean isChecked() {
-        return Settings.Global.getInt(mContext.getContentResolver(),
-                NOTIFICATION_FEEDBACK_ENABLED, ON) == ON;
-    }
-
-    @Override
-    public boolean setChecked(boolean isChecked) {
-        return Settings.Global.putInt(mContext.getContentResolver(),
-                NOTIFICATION_FEEDBACK_ENABLED, isChecked ? ON : OFF);
-    }
-
-    class SettingObserver extends ContentObserver {
-
-        private final Uri NOTIFICATION_URI =
-                Settings.Global.getUriFor(NOTIFICATION_FEEDBACK_ENABLED);
-
-        private final Preference mPreference;
-
-        SettingObserver(Preference preference) {
-            super(new Handler());
-            mPreference = preference;
-        }
-
-        public void register(ContentResolver cr, boolean register) {
-            if (register) {
-                cr.registerContentObserver(NOTIFICATION_URI, false, this);
-            } else {
-                cr.unregisterContentObserver(this);
-            }
-        }
-
-        @Override
-        public void onChange(boolean selfChange, Uri uri) {
-            super.onChange(selfChange, uri);
-            if (NOTIFICATION_URI.equals(uri)) {
-                updateState(mPreference);
-            }
-        }
-    }
-}
diff --git a/src/com/android/settings/overlay/FeatureFactoryImpl.java b/src/com/android/settings/overlay/FeatureFactoryImpl.java
index ebbe87c..a1b70d9 100644
--- a/src/com/android/settings/overlay/FeatureFactoryImpl.java
+++ b/src/com/android/settings/overlay/FeatureFactoryImpl.java
@@ -20,6 +20,7 @@
 import android.app.admin.DevicePolicyManager;
 import android.content.Context;
 import android.net.ConnectivityManager;
+import android.net.VpnManager;
 import android.os.UserManager;
 
 import androidx.annotation.Keep;
@@ -172,7 +173,8 @@
                             Context.DEVICE_POLICY_SERVICE),
                     appContext.getPackageManager(),
                     UserManager.get(appContext),
-                    (ConnectivityManager) appContext.getSystemService(Context.CONNECTIVITY_SERVICE),
+                    appContext.getSystemService(ConnectivityManager.class),
+                    appContext.getSystemService(VpnManager.class),
                     appContext.getResources());
         }
         return mEnterprisePrivacyFeatureProvider;
diff --git a/src/com/android/settings/sim/SimActivationNotifier.java b/src/com/android/settings/sim/SimActivationNotifier.java
index 735cb46..c90836e 100644
--- a/src/com/android/settings/sim/SimActivationNotifier.java
+++ b/src/com/android/settings/sim/SimActivationNotifier.java
@@ -88,6 +88,11 @@
                         SIM_SETUP_CHANNEL_ID,
                         mContext.getString(R.string.sim_setup_channel_id),
                         NotificationManager.IMPORTANCE_HIGH));
+        mNotificationManager.createNotificationChannel(
+                new NotificationChannel(
+                        SWITCH_SLOT_CHANNEL_ID,
+                        mContext.getString(R.string.sim_switch_channel_id),
+                        NotificationManager.IMPORTANCE_HIGH));
     }
 
     /**
diff --git a/src/com/android/settings/vpn2/AppDialogFragment.java b/src/com/android/settings/vpn2/AppDialogFragment.java
index 45fb9bd..626a271 100644
--- a/src/com/android/settings/vpn2/AppDialogFragment.java
+++ b/src/com/android/settings/vpn2/AppDialogFragment.java
@@ -20,7 +20,6 @@
 import android.app.settings.SettingsEnums;
 import android.content.DialogInterface;
 import android.content.pm.PackageInfo;
-import android.net.ConnectivityManager;
 import android.net.VpnManager;
 import android.os.Bundle;
 import android.os.UserHandle;
@@ -48,7 +47,6 @@
     private PackageInfo mPackageInfo;
     private Listener mListener;
 
-    private ConnectivityManager mConnectivityManager;
     private UserManager mUserManager;
     private VpnManager mVpnManager;
 
@@ -93,7 +91,6 @@
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        mConnectivityManager = getContext().getSystemService(ConnectivityManager.class);
         mUserManager = UserManager.get(getContext());
         mVpnManager = getContext().getSystemService(VpnManager.class);
     }
@@ -158,8 +155,8 @@
         }
         final int userId = getUserId();
         if (mPackageInfo.packageName.equals(VpnUtils.getConnectedPackage(mVpnManager, userId))) {
-            mConnectivityManager.setAlwaysOnVpnPackageForUser(userId, null,
-                    /* lockdownEnabled */ false, /* lockdownAllowlist */ null);
+            mVpnManager.setAlwaysOnVpnPackageForUser(userId, null, /* lockdownEnabled */ false,
+                    /* lockdownAllowlist */ null);
             mVpnManager.prepareVpn(mPackageInfo.packageName, VpnConfig.LEGACY_VPN, userId);
         }
     }
diff --git a/src/com/android/settings/vpn2/AppManagementFragment.java b/src/com/android/settings/vpn2/AppManagementFragment.java
index 9422010..0543fee 100644
--- a/src/com/android/settings/vpn2/AppManagementFragment.java
+++ b/src/com/android/settings/vpn2/AppManagementFragment.java
@@ -28,7 +28,6 @@
 import android.content.pm.PackageInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
-import android.net.ConnectivityManager;
 import android.net.VpnManager;
 import android.os.Bundle;
 import android.os.UserHandle;
@@ -69,7 +68,6 @@
 
     private PackageManager mPackageManager;
     private DevicePolicyManager mDevicePolicyManager;
-    private ConnectivityManager mConnectivityManager;
     private VpnManager mVpnManager;
 
     // VPN app info
@@ -122,7 +120,6 @@
 
         mPackageManager = getContext().getPackageManager();
         mDevicePolicyManager = getContext().getSystemService(DevicePolicyManager.class);
-        mConnectivityManager = getContext().getSystemService(ConnectivityManager.class);
         mVpnManager = getContext().getSystemService(VpnManager.class);
 
         mPreferenceVersion = findPreference(KEY_VERSION);
@@ -227,7 +224,7 @@
     }
 
     private boolean setAlwaysOnVpn(boolean isEnabled, boolean isLockdown) {
-        return mConnectivityManager.setAlwaysOnVpnPackageForUser(mUserId,
+        return mVpnManager.setAlwaysOnVpnPackageForUser(mUserId,
                 isEnabled ? mPackageName : null, isLockdown, /* lockdownAllowlist */ null);
     }
 
@@ -261,7 +258,7 @@
                     mPreferenceLockdown.setDisabledByAdmin(admin);
                 }
             }
-            if (mConnectivityManager.isAlwaysOnVpnPackageSupportedForUser(mUserId, mPackageName)) {
+            if (mVpnManager.isAlwaysOnVpnPackageSupportedForUser(mUserId, mPackageName)) {
                 // setSummary doesn't override the admin message when user restriction is applied
                 mPreferenceAlwaysOn.setSummary(R.string.vpn_always_on_summary);
                 // setEnabled is not required here, as checkRestrictionAndSetDisabled
@@ -275,7 +272,7 @@
     }
 
     private String getAlwaysOnVpnPackage() {
-        return mConnectivityManager.getAlwaysOnVpnPackageForUser(mUserId);
+        return mVpnManager.getAlwaysOnVpnPackageForUser(mUserId);
     }
 
     private boolean isVpnAlwaysOn() {
diff --git a/src/com/android/settings/vpn2/ConfigDialogFragment.java b/src/com/android/settings/vpn2/ConfigDialogFragment.java
index e88e4ef..f339a69 100644
--- a/src/com/android/settings/vpn2/ConfigDialogFragment.java
+++ b/src/com/android/settings/vpn2/ConfigDialogFragment.java
@@ -20,7 +20,6 @@
 import android.app.settings.SettingsEnums;
 import android.content.Context;
 import android.content.DialogInterface;
-import android.net.ConnectivityManager;
 import android.net.VpnManager;
 import android.os.Bundle;
 import android.os.RemoteException;
@@ -177,8 +176,7 @@
                 return;
             }
 
-            final ConnectivityManager conn = ConnectivityManager.from(mContext);
-            conn.setAlwaysOnVpnPackageForUser(UserHandle.myUserId(), null,
+            mService.setAlwaysOnVpnPackageForUser(UserHandle.myUserId(), null,
                     /* lockdownEnabled */ false, /* lockdownAllowlist */ null);
             VpnUtils.setLockdownVpn(mContext, profile.key);
         } else {
diff --git a/src/com/android/settings/vpn2/VpnSettings.java b/src/com/android/settings/vpn2/VpnSettings.java
index 79f6be3..0a3b2b0 100644
--- a/src/com/android/settings/vpn2/VpnSettings.java
+++ b/src/com/android/settings/vpn2/VpnSettings.java
@@ -490,7 +490,7 @@
         Set<AppVpnInfo> result = new ArraySet<>();
         for (UserHandle profile : mUserManager.getUserProfiles()) {
             final int profileId = profile.getIdentifier();
-            final String packageName = mConnectivityManager.getAlwaysOnVpnPackageForUser(profileId);
+            final String packageName = mVpnManager.getAlwaysOnVpnPackageForUser(profileId);
             if (packageName != null) {
                 result.add(new AppVpnInfo(profileId, packageName));
             }
diff --git a/src/com/android/settings/vpn2/VpnUtils.java b/src/com/android/settings/vpn2/VpnUtils.java
index c6b79b4..4c9338c 100644
--- a/src/com/android/settings/vpn2/VpnUtils.java
+++ b/src/com/android/settings/vpn2/VpnUtils.java
@@ -16,7 +16,6 @@
 package com.android.settings.vpn2;
 
 import android.content.Context;
-import android.net.ConnectivityManager;
 import android.net.VpnManager;
 import android.os.RemoteException;
 import android.provider.Settings;
@@ -43,15 +42,15 @@
 
     public static void clearLockdownVpn(Context context) {
         KeyStore.getInstance().delete(Credentials.LOCKDOWN_VPN);
-        // Always notify ConnectivityManager after keystore update
-        getConnectivityManager(context).updateLockdownVpn();
+        // Always notify VpnManager after keystore update
+        getVpnManager(context).updateLockdownVpn();
     }
 
     public static void setLockdownVpn(Context context, String lockdownKey) {
         KeyStore.getInstance().put(Credentials.LOCKDOWN_VPN, lockdownKey.getBytes(),
                 KeyStore.UID_SELF, /* flags */ 0);
-        // Always notify ConnectivityManager after keystore update
-        getConnectivityManager(context).updateLockdownVpn();
+        // Always notify VpnManager after keystore update
+        getVpnManager(context).updateLockdownVpn();
     }
 
     public static boolean isVpnLockdown(String key) {
@@ -63,7 +62,7 @@
         if (getLockdownVpn() != null) {
             return true;
         }
-        return getConnectivityManager(context).getAlwaysOnVpnPackageForUser(userId) != null
+        return getVpnManager(context).getAlwaysOnVpnPackageForUser(userId) != null
                 && Settings.Secure.getIntForUser(context.getContentResolver(),
                         Settings.Secure.ALWAYS_ON_VPN_LOCKDOWN, /* default */ 0, userId) != 0;
     }
@@ -77,16 +76,12 @@
         return config != null ? config.user : null;
     }
 
-    private static ConnectivityManager getConnectivityManager(Context context) {
-        return context.getSystemService(ConnectivityManager.class);
-    }
-
     private static VpnManager getVpnManager(Context context) {
         return context.getSystemService(VpnManager.class);
     }
 
-    public static boolean isAlwaysOnVpnSet(ConnectivityManager cm, final int userId) {
-        return cm.getAlwaysOnVpnPackageForUser(userId) != null;
+    public static boolean isAlwaysOnVpnSet(VpnManager vm, final int userId) {
+        return vm.getAlwaysOnVpnPackageForUser(userId) != null;
     }
 
     public static boolean disconnectLegacyVpn(Context context) {
diff --git a/src/com/android/settings/wifi/WifiSummaryUpdater.java b/src/com/android/settings/wifi/WifiSummaryUpdater.java
index 79bab36..19ef200 100644
--- a/src/com/android/settings/wifi/WifiSummaryUpdater.java
+++ b/src/com/android/settings/wifi/WifiSummaryUpdater.java
@@ -74,6 +74,7 @@
     @Override
     public void register(boolean register) {
         if (register) {
+            mWifiTracker.fetchInitialState();
             notifyChangeIfNeeded();
             mContext.registerReceiver(mReceiver, INTENT_FILTER);
         } else {
diff --git a/tests/robotests/src/com/android/settings/applications/appinfo/AppBatteryPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/appinfo/AppBatteryPreferenceControllerTest.java
index 154856e..c735452 100644
--- a/tests/robotests/src/com/android/settings/applications/appinfo/AppBatteryPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/appinfo/AppBatteryPreferenceControllerTest.java
@@ -31,7 +31,9 @@
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.os.BatteryStats;
+import android.os.BatteryUsageStats;
 import android.os.Bundle;
+import android.os.UidBatteryConsumer;
 
 import androidx.loader.app.LoaderManager;
 import androidx.preference.Preference;
@@ -67,6 +69,10 @@
     @Mock
     private BatteryUtils mBatteryUtils;
     @Mock
+    private BatteryUsageStats mBatteryUsageStats;
+    @Mock
+    private UidBatteryConsumer mUidBatteryConsumer;
+    @Mock
     private BatterySipper mBatterySipper;
     @Mock
     private BatterySipper mOtherBatterySipper;
@@ -143,6 +149,8 @@
     public void updateBattery_hasBatteryStats_summaryPercent() {
         mController.mBatteryHelper = mBatteryStatsHelper;
         mController.mSipper = mBatterySipper;
+        mController.mBatteryUsageStats = mBatteryUsageStats;
+        mController.mUidBatteryConsumer = mUidBatteryConsumer;
         doReturn(BATTERY_LEVEL).when(mBatteryUtils).calculateBatteryPercent(anyDouble(),
                 anyDouble(), anyDouble(), anyInt());
         doReturn(new ArrayList<>()).when(mBatteryStatsHelper).getUsageList();
@@ -157,6 +165,8 @@
     public void isBatteryStatsAvailable_hasBatteryStatsHelperAndSipper_returnTrue() {
         mController.mBatteryHelper = mBatteryStatsHelper;
         mController.mSipper = mBatterySipper;
+        mController.mBatteryUsageStats = mBatteryUsageStats;
+        mController.mUidBatteryConsumer = mUidBatteryConsumer;
 
         assertThat(mController.isBatteryStatsAvailable()).isTrue();
     }
@@ -175,6 +185,8 @@
         when(mBatteryPreference.getKey()).thenReturn(key);
         mController.mSipper = mBatterySipper;
         mController.mBatteryHelper = mBatteryStatsHelper;
+        mController.mBatteryUsageStats = mBatteryUsageStats;
+        mController.mUidBatteryConsumer = mUidBatteryConsumer;
 
         // Should not crash
         mController.handlePreferenceTreeClick(mBatteryPreference);
@@ -187,7 +199,8 @@
         mController.onResume();
 
         verify(mLoaderManager)
-            .restartLoader(AppInfoDashboardFragment.LOADER_BATTERY, Bundle.EMPTY, mController);
+                .restartLoader(AppInfoDashboardFragment.LOADER_BATTERY, Bundle.EMPTY,
+                        mController.mBatteryStatsHelperLoaderCallbacks);
     }
 
     @Test
diff --git a/tests/robotests/src/com/android/settings/display/SmartAutoRotateControllerTest.java b/tests/robotests/src/com/android/settings/display/SmartAutoRotateControllerTest.java
new file mode 100644
index 0000000..2d56c0e
--- /dev/null
+++ b/tests/robotests/src/com/android/settings/display/SmartAutoRotateControllerTest.java
@@ -0,0 +1,117 @@
+/*
+ * 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.display;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.DISABLED_DEPENDENT_SETTING;
+import static com.android.settings.core.BasePreferenceController.UNSUPPORTED_ON_DEVICE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.ArgumentMatchers.any;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.when;
+
+import android.Manifest;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.pm.ServiceInfo;
+import android.os.UserHandle;
+import android.provider.Settings;
+
+import androidx.preference.Preference;
+
+import com.android.settings.testutils.ResolveInfoBuilder;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+import org.robolectric.RobolectricTestRunner;
+import org.robolectric.RuntimeEnvironment;
+
+@RunWith(RobolectricTestRunner.class)
+public class SmartAutoRotateControllerTest {
+
+    private static final String PACKAGE_NAME = "package_name";
+
+    private SmartAutoRotateController mController;
+    @Mock
+    private PackageManager mPackageManager;
+    @Mock
+    private Preference mPreference;
+    private ContentResolver mContentResolver;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+        final Context context = Mockito.spy(RuntimeEnvironment.application);
+        mContentResolver = RuntimeEnvironment.application.getContentResolver();
+        when(context.getPackageManager()).thenReturn(mPackageManager);
+        when(context.getContentResolver()).thenReturn(mContentResolver);
+        doReturn(PACKAGE_NAME).when(mPackageManager).getRotationResolverPackageName();
+        doReturn(PackageManager.PERMISSION_GRANTED).when(mPackageManager).checkPermission(
+                Manifest.permission.CAMERA, PACKAGE_NAME);
+        mController = new SmartAutoRotateController(context, "test_key");
+        doReturn(mController.getPreferenceKey()).when(mPreference).getKey();
+
+        final ResolveInfo resolveInfo = new ResolveInfoBuilder(PACKAGE_NAME).build();
+        resolveInfo.serviceInfo = new ServiceInfo();
+        when(mPackageManager.resolveService(any(), anyInt())).thenReturn(resolveInfo);
+        enableAutoRotation();
+    }
+
+    @Test
+    public void getAvailabilityStatus_returnAvailable() {
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_resolveInfoIsNull_returnUnsupportedOnDevice() {
+        when(mPackageManager.resolveService(any(), anyInt())).thenReturn(null);
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(UNSUPPORTED_ON_DEVICE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_noCameraPermission_returnDisableDependentSetting() {
+        doReturn(PackageManager.PERMISSION_DENIED).when(mPackageManager).checkPermission(
+                Manifest.permission.CAMERA, PACKAGE_NAME);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(DISABLED_DEPENDENT_SETTING);
+    }
+
+    @Test
+    public void getAvailabilityStatus_rotationLocked_returnDisableDependentSetting() {
+        disableAutoRotation();
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(DISABLED_DEPENDENT_SETTING);
+    }
+
+    private void enableAutoRotation() {
+        Settings.System.putIntForUser(mContentResolver,
+                Settings.System.ACCELEROMETER_ROTATION, 1, UserHandle.USER_CURRENT);
+    }
+
+    private void disableAutoRotation() {
+        Settings.System.putIntForUser(mContentResolver,
+                Settings.System.ACCELEROMETER_ROTATION, 0, UserHandle.USER_CURRENT);
+    }
+}
diff --git a/tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacyFeatureProviderImplTest.java b/tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacyFeatureProviderImplTest.java
index c28267b..28a7906 100644
--- a/tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacyFeatureProviderImplTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/EnterprisePrivacyFeatureProviderImplTest.java
@@ -39,7 +39,7 @@
 import android.content.pm.UserInfo;
 import android.content.res.Resources;
 import android.net.ConnectivityManager;
-import android.net.ProxyInfo;
+import android.net.VpnManager;
 import android.os.UserHandle;
 import android.os.UserManager;
 import android.provider.Settings;
@@ -91,6 +91,8 @@
     private UserManager mUserManager;
     @Mock
     private ConnectivityManager mConnectivityManger;
+    @Mock
+    private VpnManager mVpnManager;
     private Resources mResources;
 
     private EnterprisePrivacyFeatureProvider mProvider;
@@ -106,7 +108,7 @@
         mResources = RuntimeEnvironment.application.getResources();
 
         mProvider = new EnterprisePrivacyFeatureProviderImpl(mContext, mDevicePolicyManager,
-                mPackageManager, mUserManager, mConnectivityManger, mResources);
+                mPackageManager, mUserManager, mConnectivityManger, mVpnManager, mResources);
     }
 
     @Test
@@ -208,11 +210,10 @@
 
     @Test
     public void testIsAlwaysOnVpnSetInCurrentUser() {
-        when(mConnectivityManger.getAlwaysOnVpnPackageForUser(mUserId)).thenReturn(null);
+        when(mVpnManager.getAlwaysOnVpnPackageForUser(mUserId)).thenReturn(null);
         assertThat(mProvider.isAlwaysOnVpnSetInCurrentUser()).isFalse();
 
-        when(mConnectivityManger.getAlwaysOnVpnPackageForUser(mUserId))
-                .thenReturn(VPN_PACKAGE_ID);
+        when(mVpnManager.getAlwaysOnVpnPackageForUser(mUserId)).thenReturn(VPN_PACKAGE_ID);
         assertThat(mProvider.isAlwaysOnVpnSetInCurrentUser()).isTrue();
     }
 
@@ -222,26 +223,15 @@
 
         mProfiles.add(new UserInfo(mManagedProfileUserId, "", "", UserInfo.FLAG_MANAGED_PROFILE));
 
-        when(mConnectivityManger.getAlwaysOnVpnPackageForUser(mManagedProfileUserId))
-                .thenReturn(null);
+        when(mVpnManager.getAlwaysOnVpnPackageForUser(mManagedProfileUserId)).thenReturn(null);
         assertThat(mProvider.isAlwaysOnVpnSetInManagedProfile()).isFalse();
 
-        when(mConnectivityManger.getAlwaysOnVpnPackageForUser(mManagedProfileUserId))
+        when(mVpnManager.getAlwaysOnVpnPackageForUser(mManagedProfileUserId))
                 .thenReturn(VPN_PACKAGE_ID);
         assertThat(mProvider.isAlwaysOnVpnSetInManagedProfile()).isTrue();
     }
 
     @Test
-    public void testIsGlobalHttpProxySet() {
-        when(mConnectivityManger.getGlobalProxy()).thenReturn(null);
-        assertThat(mProvider.isGlobalHttpProxySet()).isFalse();
-
-        when(mConnectivityManger.getGlobalProxy())
-                .thenReturn(ProxyInfo.buildDirectProxy("localhost", 123));
-        assertThat(mProvider.isGlobalHttpProxySet()).isTrue();
-    }
-
-    @Test
     public void testGetMaximumFailedPasswordsForWipeInCurrentUser() {
         when(mDevicePolicyManager.getDeviceOwnerComponentOnCallingUser()).thenReturn(null);
         when(mDevicePolicyManager.getProfileOwnerAsUser(mUserId)).thenReturn(null);
diff --git a/tests/robotests/src/com/android/settings/enterprise/GlobalHttpProxyPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/enterprise/GlobalHttpProxyPreferenceControllerTest.java
index 05d1c64..11676a2 100644
--- a/tests/robotests/src/com/android/settings/enterprise/GlobalHttpProxyPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/enterprise/GlobalHttpProxyPreferenceControllerTest.java
@@ -21,11 +21,11 @@
 import static org.mockito.Mockito.when;
 
 import android.content.Context;
+import android.net.ConnectivityManager;
+import android.net.ProxyInfo;
 
 import androidx.preference.Preference;
 
-import com.android.settings.testutils.FakeFeatureFactory;
-
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -41,25 +41,23 @@
 
     @Mock(answer = Answers.RETURNS_DEEP_STUBS)
     private Context mContext;
-    private FakeFeatureFactory mFeatureFactory;
+    @Mock
+    private ConnectivityManager mCm;
 
     private GlobalHttpProxyPreferenceController mController;
 
     @Before
     public void setUp() {
         MockitoAnnotations.initMocks(this);
-        mFeatureFactory = FakeFeatureFactory.setupForTest();
         mController = new GlobalHttpProxyPreferenceController(mContext);
     }
 
     @Test
     public void testIsAvailable() {
-        when(mFeatureFactory.enterprisePrivacyFeatureProvider.isGlobalHttpProxySet())
-                .thenReturn(false);
+        when(mCm.getGlobalProxy()).thenReturn(null);
         assertThat(mController.isAvailable()).isFalse();
 
-        when(mFeatureFactory.enterprisePrivacyFeatureProvider.isGlobalHttpProxySet())
-                .thenReturn(true);
+        when(mCm.getGlobalProxy()).thenReturn(ProxyInfo.buildDirectProxy("localhost", 123));
         assertThat(mController.isAvailable()).isTrue();
     }
 
diff --git a/tests/robotests/src/com/android/settings/fuelgauge/BatteryEntryTest.java b/tests/robotests/src/com/android/settings/fuelgauge/BatteryEntryTest.java
index fceee7e..e40b270 100644
--- a/tests/robotests/src/com/android/settings/fuelgauge/BatteryEntryTest.java
+++ b/tests/robotests/src/com/android/settings/fuelgauge/BatteryEntryTest.java
@@ -79,7 +79,8 @@
     }
 
     private BatteryEntry createBatteryEntryForApp() {
-        return new BatteryEntry(mockContext, mockHandler, mockUserManager, createSipperForApp());
+        return new BatteryEntry(mockContext, mockHandler, mockUserManager, createSipperForApp(),
+                null);
     }
 
     private BatterySipper createSipperForApp() {
@@ -90,7 +91,8 @@
     }
 
     private BatteryEntry createBatteryEntryForSystem() {
-        return new BatteryEntry(mockContext, mockHandler, mockUserManager, createSipperForSystem());
+        return new BatteryEntry(mockContext, mockHandler, mockUserManager, createSipperForSystem(),
+                null);
     }
 
     private BatterySipper createSipperForSystem() {
@@ -144,7 +146,7 @@
         final BatterySipper batterySipper = mock(BatterySipper.class);
         batterySipper.drainType = DrainType.AMBIENT_DISPLAY;
         final BatteryEntry entry = new BatteryEntry(RuntimeEnvironment.application, mockHandler,
-                mockUserManager, batterySipper);
+                mockUserManager, batterySipper, null);
 
         assertThat(entry.iconId).isEqualTo(R.drawable.ic_settings_aod);
         assertThat(entry.name).isEqualTo("Ambient display");
diff --git a/tests/robotests/src/com/android/settings/location/RecentLocationAccessPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/location/RecentLocationAccessPreferenceControllerTest.java
index 5feee60..71a80de 100644
--- a/tests/robotests/src/com/android/settings/location/RecentLocationAccessPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/location/RecentLocationAccessPreferenceControllerTest.java
@@ -24,17 +24,19 @@
 
 import android.content.Context;
 import android.graphics.drawable.Drawable;
+import android.provider.DeviceConfig;
 import android.view.LayoutInflater;
 import android.view.View;
+import android.widget.ImageView;
 import android.widget.TextView;
 
-import androidx.preference.PreferenceCategory;
 import androidx.preference.PreferenceScreen;
 
 import com.android.settings.R;
-import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.Utils;
 import com.android.settings.testutils.shadow.ShadowDeviceConfig;
 import com.android.settingslib.location.RecentLocationAccesses;
+import com.android.settingslib.widget.LayoutPreference;
 
 import org.junit.After;
 import org.junit.Before;
@@ -53,14 +55,11 @@
 @RunWith(RobolectricTestRunner.class)
 @Config(shadows = {ShadowDeviceConfig.class})
 public class RecentLocationAccessPreferenceControllerTest {
-    private static final String PREFERENCE_KEY = "test_preference_key";
     @Mock
-    private PreferenceCategory mLayoutPreference;
+    private LayoutPreference mLayoutPreference;
     @Mock
     private PreferenceScreen mScreen;
     @Mock
-    private DashboardFragment mDashboardFragment;
-    @Mock
     private RecentLocationAccesses mRecentLocationApps;
 
     private Context mContext;
@@ -72,16 +71,15 @@
         MockitoAnnotations.initMocks(this);
         mContext = spy(RuntimeEnvironment.application);
         mController = spy(
-                new RecentLocationAccessPreferenceController(mContext, PREFERENCE_KEY,
-                        mRecentLocationApps));
-        mController.init(mDashboardFragment);
+                new RecentLocationAccessPreferenceController(mContext, mRecentLocationApps));
         final String key = mController.getPreferenceKey();
         mAppEntitiesHeaderView = LayoutInflater.from(mContext).inflate(
                 R.layout.app_entities_header, null /* root */);
         when(mScreen.findPreference(key)).thenReturn(mLayoutPreference);
         when(mLayoutPreference.getKey()).thenReturn(key);
         when(mLayoutPreference.getContext()).thenReturn(mContext);
-        when(mDashboardFragment.getContext()).thenReturn(mContext);
+        when(mLayoutPreference.findViewById(R.id.app_entities_header)).thenReturn(
+                mAppEntitiesHeaderView);
     }
 
     @After
@@ -90,7 +88,16 @@
     }
 
     @Test
-    public void isAvailable_shouldReturnTrue() {
+    public void isAvailable_permissionHubNotSet_shouldReturnFalse() {
+        // We have not yet set the property to show the Permissions Hub.
+        assertThat(mController.isAvailable()).isEqualTo(false);
+    }
+
+    @Test
+    public void isAvailable_permissionHubEnabled_shouldReturnTrue() {
+        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_PRIVACY,
+                Utils.PROPERTY_PERMISSIONS_HUB_ENABLED, "true", true);
+
         assertThat(mController.isAvailable()).isEqualTo(true);
     }
 
@@ -111,6 +118,39 @@
         assertThat(details.hasOnClickListeners()).isTrue();
     }
 
+    @Test
+    public void updateState_whenAppListMoreThanThree_shouldDisplayTopThreeApps() {
+        final List<RecentLocationAccesses.Access> accesses = createMockAccesses(6);
+        doReturn(accesses).when(mRecentLocationApps).getAppListSorted();
+        mController.displayPreference(mScreen);
+        mController.updateState(mLayoutPreference);
+
+        // The widget can display the top 3 apps from the list when there're more than 3.
+        final View app1View = mAppEntitiesHeaderView.findViewById(R.id.app1_view);
+        final ImageView appIconView1 = app1View.findViewById(R.id.app_icon);
+        final TextView appTitle1 = app1View.findViewById(R.id.app_title);
+
+        assertThat(app1View.getVisibility()).isEqualTo(View.VISIBLE);
+        assertThat(appIconView1.getDrawable()).isNotNull();
+        assertThat(appTitle1.getText()).isEqualTo("appTitle0");
+
+        final View app2View = mAppEntitiesHeaderView.findViewById(R.id.app2_view);
+        final ImageView appIconView2 = app2View.findViewById(R.id.app_icon);
+        final TextView appTitle2 = app2View.findViewById(R.id.app_title);
+
+        assertThat(app2View.getVisibility()).isEqualTo(View.VISIBLE);
+        assertThat(appIconView2.getDrawable()).isNotNull();
+        assertThat(appTitle2.getText()).isEqualTo("appTitle1");
+
+        final View app3View = mAppEntitiesHeaderView.findViewById(R.id.app3_view);
+        final ImageView appIconView3 = app3View.findViewById(R.id.app_icon);
+        final TextView appTitle3 = app3View.findViewById(R.id.app_title);
+
+        assertThat(app3View.getVisibility()).isEqualTo(View.VISIBLE);
+        assertThat(appIconView3.getDrawable()).isNotNull();
+        assertThat(appTitle3.getText()).isEqualTo("appTitle2");
+    }
+
     private List<RecentLocationAccesses.Access> createMockAccesses(int count) {
         final List<RecentLocationAccesses.Access> accesses = new ArrayList<>();
         for (int i = 0; i < count; i++) {
diff --git a/tests/robotests/src/com/android/settings/network/VpnPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/network/VpnPreferenceControllerTest.java
index 89d0465fa..fb66d29 100644
--- a/tests/robotests/src/com/android/settings/network/VpnPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/network/VpnPreferenceControllerTest.java
@@ -30,11 +30,9 @@
 
 import android.content.Context;
 import android.net.ConnectivityManager;
-import android.net.IConnectivityManager;
 import android.net.NetworkRequest;
-import android.os.IBinder;
+import android.net.VpnManager;
 import android.os.UserHandle;
-import android.os.ServiceManager;
 import android.provider.SettingsSlicesContract;
 
 import androidx.lifecycle.LifecycleOwner;
@@ -60,9 +58,7 @@
     @Mock
     private ConnectivityManager mConnectivityManager;
     @Mock
-    private IBinder mBinder;
-    @Mock
-    private IConnectivityManager mConnectivityManagerService;
+    private VpnManager mVpnManager;
     @Mock
     private PreferenceScreen mScreen;
     @Mock
@@ -76,9 +72,7 @@
         MockitoAnnotations.initMocks(this);
         when(mContext.getSystemService(Context.CONNECTIVITY_SERVICE))
                 .thenReturn(mConnectivityManager);
-        when(mBinder.queryLocalInterface("android.net.IConnectivityManager"))
-                .thenReturn(mConnectivityManagerService);
-        ServiceManager.addService(Context.CONNECTIVITY_SERVICE, mBinder);
+        when(mContext.getSystemService(VpnManager.class)).thenReturn(mVpnManager);
         when(mScreen.findPreference(anyString())).thenReturn(mPreference);
 
         mController = spy(new VpnPreferenceController(mContext));
diff --git a/tests/robotests/src/com/android/settings/notification/AssistantFeedbackPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/AssistantFeedbackPreferenceControllerTest.java
deleted file mode 100644
index 9f172a6..0000000
--- a/tests/robotests/src/com/android/settings/notification/AssistantFeedbackPreferenceControllerTest.java
+++ /dev/null
@@ -1,176 +0,0 @@
-/*
- * Copyright (C) 2020 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 android.provider.Settings.Global.NOTIFICATION_FEEDBACK_ENABLED;
-
-import static com.android.settings.notification.AssistantFeedbackPreferenceController.OFF;
-import static com.android.settings.notification.AssistantFeedbackPreferenceController.ON;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-import android.content.Context;
-import android.provider.DeviceConfig;
-import android.provider.Settings;
-
-import androidx.preference.Preference;
-import androidx.preference.PreferenceScreen;
-import androidx.preference.TwoStatePreference;
-
-import com.android.internal.config.sysui.SystemUiDeviceConfigFlags;
-import com.android.settings.core.BasePreferenceController;
-import com.android.settings.testutils.shadow.ShadowDeviceConfig;
-
-import org.junit.After;
-import org.junit.Before;
-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;
-import org.robolectric.annotation.Config;
-
-@RunWith(RobolectricTestRunner.class)
-@Config(shadows = {ShadowDeviceConfig.class})
-public class AssistantFeedbackPreferenceControllerTest {
-
-    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
-    private Context mContext;
-    @Mock(answer = Answers.RETURNS_DEEP_STUBS)
-    private PreferenceScreen mScreen;
-
-    private AssistantFeedbackPreferenceController mController;
-    private Preference mPreference;
-
-    private static final String KEY = "asst_feedback_indicator";
-
-    @Before
-    public void setUp() {
-        MockitoAnnotations.initMocks(this);
-        mController = new AssistantFeedbackPreferenceController(mContext, KEY);
-        mPreference = new Preference(RuntimeEnvironment.application);
-        mPreference.setKey(mController.getPreferenceKey());
-        when(mScreen.findPreference(mPreference.getKey())).thenReturn(mPreference);
-    }
-
-    @After
-    public void tearDown() {
-        ShadowDeviceConfig.reset();
-    }
-
-    @Test
-    public void testIsVisible_DeviceConfigOn() {
-        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_SYSTEMUI,
-                SystemUiDeviceConfigFlags.ENABLE_NAS_FEEDBACK, "true", true);
-        mController.displayPreference(mScreen);
-
-        assertThat(mPreference.isVisible()).isTrue();
-    }
-
-    @Test
-    public void testIsVisible_DeviceConfigOff() {
-        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_SYSTEMUI,
-                SystemUiDeviceConfigFlags.ENABLE_NAS_FEEDBACK, "false", true);
-        mController.displayPreference(mScreen);
-
-        assertThat(mPreference.isVisible()).isFalse();
-    }
-
-    @Test
-    public void getAvailabilityStatus_DeviceConfigOn_returnAvailable() {
-        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_SYSTEMUI,
-                SystemUiDeviceConfigFlags.ENABLE_NAS_FEEDBACK, "true", true);
-
-        assertThat(mController.getAvailabilityStatus()).isEqualTo(
-                BasePreferenceController.AVAILABLE);
-    }
-
-    @Test
-    public void getAvailabilityStatus_DeviceConfigOff_returnUnavailable() {
-        DeviceConfig.setProperty(DeviceConfig.NAMESPACE_SYSTEMUI,
-                SystemUiDeviceConfigFlags.ENABLE_NAS_FEEDBACK, "false", true);
-
-        assertThat(mController.getAvailabilityStatus()).isEqualTo(
-                BasePreferenceController.CONDITIONALLY_UNAVAILABLE);
-    }
-
-    @Test
-    public void updateState_preferenceSetCheckedWhenSettingIsOn() {
-        final TwoStatePreference preference = mock(TwoStatePreference.class);
-        final Context context = RuntimeEnvironment.application;
-        Settings.Global.putInt(context.getContentResolver(), NOTIFICATION_FEEDBACK_ENABLED, ON);
-
-        mController = new AssistantFeedbackPreferenceController(context, KEY);
-        mController.updateState(preference);
-
-        verify(preference).setChecked(true);
-    }
-
-    @Test
-    public void updateState_preferenceSetUncheckedWhenSettingIsOff() {
-        final TwoStatePreference preference = mock(TwoStatePreference.class);
-        final Context context = RuntimeEnvironment.application;
-        Settings.Global.putInt(context.getContentResolver(), NOTIFICATION_FEEDBACK_ENABLED, OFF);
-
-        mController = new AssistantFeedbackPreferenceController(context, KEY);
-        mController.updateState(preference);
-
-        verify(preference).setChecked(false);
-    }
-
-    @Test
-    public void isChecked_settingIsOff_shouldReturnFalse() {
-        Settings.Global.putInt(mContext.getContentResolver(), NOTIFICATION_FEEDBACK_ENABLED, OFF);
-
-        assertThat(mController.isChecked()).isFalse();
-    }
-
-    @Test
-    public void isChecked_settingIsOn_shouldReturnTrue() {
-        Settings.Global.putInt(mContext.getContentResolver(), NOTIFICATION_FEEDBACK_ENABLED, ON);
-
-        assertThat(mController.isChecked()).isTrue();
-    }
-
-    @Test
-    public void setChecked_setFalse_disablesSetting() {
-        Settings.Global.putInt(mContext.getContentResolver(), NOTIFICATION_FEEDBACK_ENABLED, ON);
-
-        mController.setChecked(false);
-        int updatedValue = Settings.Global.getInt(mContext.getContentResolver(),
-                NOTIFICATION_FEEDBACK_ENABLED, -1);
-
-        assertThat(updatedValue).isEqualTo(OFF);
-    }
-
-    @Test
-    public void setChecked_setTrue_enablesSetting() {
-        Settings.Global.putInt(mContext.getContentResolver(), NOTIFICATION_FEEDBACK_ENABLED, OFF);
-
-        mController.setChecked(true);
-        int updatedValue = Settings.Global.getInt(mContext.getContentResolver(),
-                NOTIFICATION_FEEDBACK_ENABLED, -1);
-
-        assertThat(updatedValue).isEqualTo(ON);
-    }
-}
diff --git a/tests/robotests/src/com/android/settings/wifi/WifiSummaryUpdaterTest.java b/tests/robotests/src/com/android/settings/wifi/WifiSummaryUpdaterTest.java
index 02bf172..1ae31e8 100644
--- a/tests/robotests/src/com/android/settings/wifi/WifiSummaryUpdaterTest.java
+++ b/tests/robotests/src/com/android/settings/wifi/WifiSummaryUpdaterTest.java
@@ -65,6 +65,14 @@
     }
 
     @Test
+    public void register_true_shouldFetchInitialStateAndSendSummaryChange() {
+        mSummaryUpdater.register(true);
+
+        verify(mWifiTracker).fetchInitialState();
+        verify(mListener).onSummaryChanged(anyString());
+    }
+
+    @Test
     public void register_false_shouldUnregisterListenerAndTracker() {
         mSummaryUpdater.register(true);
         mSummaryUpdater.register(false);
diff --git a/tests/unit/src/com/android/settings/network/telephony/Enable2gPreferenceControllerTest.java b/tests/unit/src/com/android/settings/network/telephony/Enable2gPreferenceControllerTest.java
new file mode 100644
index 0000000..9b9bb11
--- /dev/null
+++ b/tests/unit/src/com/android/settings/network/telephony/Enable2gPreferenceControllerTest.java
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2020 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.network.telephony;
+
+import static com.android.settings.core.BasePreferenceController.AVAILABLE;
+import static com.android.settings.core.BasePreferenceController.CONDITIONALLY_UNAVAILABLE;
+
+import static com.google.common.truth.Truth.assertThat;
+
+import static org.mockito.Mockito.doReturn;
+import static org.mockito.Mockito.spy;
+import static org.mockito.Mockito.when;
+
+import android.content.Context;
+import android.os.PersistableBundle;
+import android.telephony.CarrierConfigManager;
+import android.telephony.SubscriptionManager;
+import android.telephony.TelephonyManager;
+
+import androidx.test.core.app.ApplicationProvider;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+@RunWith(AndroidJUnit4.class)
+public final class Enable2gPreferenceControllerTest {
+    private static final int SUB_ID = 2;
+
+    @Mock
+    private TelephonyManager mTelephonyManager;
+    @Mock
+    private CarrierConfigManager mCarrierConfigManager;
+
+    private PersistableBundle mPersistableBundle;
+    private Enable2gPreferenceController mController;
+    private Context mContext;
+
+    @Before
+    public void setUp() {
+        MockitoAnnotations.initMocks(this);
+
+        mContext = spy(ApplicationProvider.getApplicationContext());
+        when(mContext.getSystemService(Context.TELEPHONY_SERVICE)).thenReturn(mTelephonyManager);
+        when(mContext.getSystemService(TelephonyManager.class)).thenReturn(mTelephonyManager);
+        when(mContext.getSystemService(CarrierConfigManager.class))
+              .thenReturn(mCarrierConfigManager);
+
+        doReturn(mTelephonyManager).when(mTelephonyManager).createForSubscriptionId(SUB_ID);
+
+        mPersistableBundle = new PersistableBundle();
+        doReturn(mPersistableBundle).when(mCarrierConfigManager).getConfigForSubId(SUB_ID);
+        doReturn(mPersistableBundle).when(mCarrierConfigManager).getConfigForSubId(
+                SubscriptionManager.INVALID_SUBSCRIPTION_ID);
+        mController = new Enable2gPreferenceController(mContext, "mobile_data");
+        mController.init(SUB_ID);
+    }
+
+    @Test
+    public void getAvailabilityStatus_invalidSubId_returnUnavailable() {
+        mController.init(SubscriptionManager.INVALID_SUBSCRIPTION_ID);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_hideEnable2g_returnUnavailable() {
+        mPersistableBundle.putBoolean(CarrierConfigManager.KEY_HIDE_ENABLE_2G,
+                true);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_nullCarrierConfig_returnUnavailable() {
+        doReturn(true).when(mTelephonyManager).isRadioInterfaceCapabilitySupported(
+                mTelephonyManager.CAPABILITY_ALLOWED_NETWORK_TYPES_USED);
+        mPersistableBundle.putBoolean(CarrierConfigManager.KEY_HIDE_ENABLE_2G,
+                false);
+        doReturn(null).when(mCarrierConfigManager);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_capabilityNotSupported_returnUnavailable() {
+        doReturn(false).when(mTelephonyManager).isRadioInterfaceCapabilitySupported(
+                mTelephonyManager.CAPABILITY_ALLOWED_NETWORK_TYPES_USED);
+        mPersistableBundle.putBoolean(CarrierConfigManager.KEY_HIDE_ENABLE_2G,
+                false);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(CONDITIONALLY_UNAVAILABLE);
+    }
+
+    @Test
+    public void getAvailabilityStatus_returnAvailable() {
+        doReturn(true).when(mTelephonyManager).isRadioInterfaceCapabilitySupported(
+                mTelephonyManager.CAPABILITY_ALLOWED_NETWORK_TYPES_USED);
+        mPersistableBundle.putBoolean(CarrierConfigManager.KEY_HIDE_ENABLE_2G,
+                false);
+
+        assertThat(mController.getAvailabilityStatus()).isEqualTo(AVAILABLE);
+    }
+}
diff --git a/tests/unit/src/com/android/settings/vpn2/VpnUtilsTest.java b/tests/unit/src/com/android/settings/vpn2/VpnUtilsTest.java
index f214764..ff5bb81 100644
--- a/tests/unit/src/com/android/settings/vpn2/VpnUtilsTest.java
+++ b/tests/unit/src/com/android/settings/vpn2/VpnUtilsTest.java
@@ -21,7 +21,7 @@
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
-import android.net.ConnectivityManager;
+import android.net.VpnManager;
 
 import androidx.test.ext.junit.runners.AndroidJUnit4;
 
@@ -32,11 +32,11 @@
 public final class VpnUtilsTest {
     @Test
     public void testIsAlwaysOnVpnSet() {
-        final ConnectivityManager cm = mock(ConnectivityManager.class);
-        when(cm.getAlwaysOnVpnPackageForUser(0)).thenReturn("com.example.vpn");
-        assertThat(VpnUtils.isAlwaysOnVpnSet(cm, 0)).isTrue();
+        final VpnManager vm = mock(VpnManager.class);
+        when(vm.getAlwaysOnVpnPackageForUser(0)).thenReturn("com.example.vpn");
+        assertThat(VpnUtils.isAlwaysOnVpnSet(vm, 0)).isTrue();
 
-        when(cm.getAlwaysOnVpnPackageForUser(0)).thenReturn(null);
-        assertThat(VpnUtils.isAlwaysOnVpnSet(cm, 0)).isFalse();
+        when(vm.getAlwaysOnVpnPackageForUser(0)).thenReturn(null);
+        assertThat(VpnUtils.isAlwaysOnVpnSet(vm, 0)).isFalse();
     }
 }