diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 4a4275f..6eb52ef 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -2686,8 +2686,6 @@
             <intent-filter android:priority="150">
                 <action android:name="com.android.settings.action.SETTINGS" />
             </intent-filter>
-            <meta-data android:name="com.android.settings.category"
-                       android:value="com.android.settings.category.ia.notifications" />
             <meta-data android:name="com.android.settings.FRAGMENT_CLASS"
                 android:value="com.android.settings.applications.NotificationApps" />
         </activity>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 65d7b0f..8295a4a 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -3391,16 +3391,6 @@
     <string name="location_title">My Location</string>
     <!-- [CHAR LIMIT=30] Title for managed profile location switch  -->
     <string name="managed_profile_location_switch_title">Location for work profile</string>
-    <!-- [CHAR LIMIT=30] Location settings screen, setting preference screen box label for location mode -->
-    <string name="location_mode_title">Mode</string>
-    <!-- [CHAR LIMIT=30] Location settings screen, high accuracy location mode -->
-    <string name="location_mode_high_accuracy_title">High accuracy</string>
-    <!-- [CHAR LIMIT=30] Location settings screen, battery saving location mode -->
-    <string name="location_mode_battery_saving_title">Battery saving</string>
-    <!-- [CHAR LIMIT=30] Location settings screen, device only location mode -->
-    <string name="location_mode_sensors_only_title">Device only</string>
-    <!-- [CHAR LIMIT=30] Location settings screen, location off mode -->
-    <string name="location_mode_location_off_title">Location off</string>
     <!-- [CHAR LIMIT=30] Location settings screen. It's a link that directs the user to a page that
       shows the location permission setting for each installed app -->
     <string name="location_app_level_permissions">App-level permissions</string>
@@ -3414,14 +3404,6 @@
     <string name="location_high_battery_use">High battery use</string>
     <!-- [CHAR LIMIT=30] Location settings screen, recent location requests low battery use-->
     <string name="location_low_battery_use">Low battery use</string>
-    <!-- [CHAR LIMIT=30] Location mode screen, screen title -->
-    <string name="location_mode_screen_title">Location mode</string>
-    <!-- [CHAR LIMIT=130] Location mode screen, description for high accuracy mode -->
-    <string name="location_mode_high_accuracy_description">Use GPS, Wi\u2011Fi, Bluetooth, or mobile networks to determine location </string>
-    <!-- [CHAR LIMIT=130] Location mode screen, description for battery saving mode -->
-    <string name="location_mode_battery_saving_description">Use Wi\u2011Fi, Bluetooth, or mobile networks to determine location</string>
-    <!-- [CHAR LIMIT=130] Location mode screen, description for sensors only mode -->
-    <string name="location_mode_sensors_only_description">Use GPS and device sensors to determine location</string>
     <!-- [CHAR LIMIT=30] Wireless background scanning settings screen, screen title -->
     <string name="location_scanning_screen_title">Scanning</string>
     <!-- [CHAR LIMIT=130] Preference title for Wi-Fi always scanning -->
@@ -6709,7 +6691,6 @@
     <string name="keywords_sounds_and_notifications_interruptions">dont don\u2019t disturb, interrupt, interruption, break</string>
     <string name="keywords_app">RAM</string>
     <string name="keywords_location">nearby, location, history, reporting</string>
-    <string name="keywords_location_mode">accuracy</string>
     <string name="keywords_accounts">account</string>
     <string name="keywords_users">restriction, restrict, restricted</string>
     <string name="keywords_keyboard_and_ime">text correction, correct, sound, vibrate, auto, language, gesture, suggest, suggestion, theme, offensive, word, type, emoji, international</string>
@@ -8346,8 +8327,8 @@
     <!-- Summary of payment screen [CHAR LIMIT=NONE] -->
     <string name="payment_summary"><xliff:g id="app_name" example="Payment App">%1$s</xliff:g> is default</string>
 
-    <!-- Summary of location screen [CHAR LIMIT=NONE] -->
-    <string name="location_on_summary">ON / <xliff:g id="location_mode" example="High accuracy">%1$s</xliff:g></string>
+    <!-- Summary of location on screen [CHAR LIMIT=NONE] -->
+    <string name="location_on_summary">ON</string>
 
     <!-- Location off [CHAR LIMIT=NONE] -->
     <string name="location_off_summary">OFF</string>
@@ -9230,12 +9211,20 @@
     <!-- Keywords for Directory Access settings -->
     <string name="keywords_directory_access">directory access</string>
 
+    <!-- String used to describe the name of a directory in a volume; it must
+         show both names, with the directory name wrapped in parenthesis -->
+    <string name="directory_on_volume"><xliff:g id="volume" example="SD Card">%1$s</xliff:g> (<xliff:g id="directory" example="Movies">%2$s</xliff:g>)</string>
+
     <!-- Account type associated with the backup account. Empty for AOSP. [DO NOT TRANSLATE] -->
-    <string name="account_type"></string>
+    <string name="account_type" translatable="false"></string>
     <!-- Package to target for Account credential confirmation. This will allow users to
          remind/rediscover their backup account password prior to a reset. Empty for AOSP.
          [DO NOT TRANSLATE] -->
-    <string name="account_confirmation_package"></string>
+    <string name="account_confirmation_package" translatable="false"></string>
+    <!-- Class to target for Account credential confirmation. This will allow users to
+         remind/rediscover their backup account password prior to a reset. Empty for AOSP.
+         [DO NOT TRANSLATE] -->
+    <string name="account_confirmation_class" translatable="false"></string>
 
     <!-- Title for the new About Phone screen [CHAR LIMIT=40] -->
     <string name="my_device_info_title" product="default">My Phone</string>
diff --git a/res/xml/channel_notification_settings.xml b/res/xml/channel_notification_settings.xml
index c799c8b..6d20571 100644
--- a/res/xml/channel_notification_settings.xml
+++ b/res/xml/channel_notification_settings.xml
@@ -53,7 +53,7 @@
         settings:useAdditionalSummary="true" />
 
     <!-- Visibility Override -->
-    <com.android.settings.notification.RestrictedDropDownPreference
+    <com.android.settings.RestrictedListPreference
         android:key="visibility_override"
         android:title="@string/app_notification_visibility_override_title"/>
 
diff --git a/res/xml/configure_notification_settings.xml b/res/xml/configure_notification_settings.xml
index 520ebaa..e080be4 100644
--- a/res/xml/configure_notification_settings.xml
+++ b/res/xml/configure_notification_settings.xml
@@ -15,39 +15,27 @@
 -->
 
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+                  xmlns:settings="http://schemas.android.com/apk/res-auto"
                   android:title="@string/configure_notification_settings"
                   android:key="configure_notification_settings">
 
-    <PreferenceCategory
-        android:key="recent_notifications_category"
-        android:title="@string/recent_notifications"
-        android:order="-200">
-        <!-- Placeholder for a list of recent apps -->
-
-        <!-- See all apps button -->
-        <Preference
-            android:title="@string/notifications_title"
-            android:key="all_notifications"
-            android:order="20">
-            <intent
-                android:action="android.intent.action.MAIN"
-                android:targetPackage="com.android.settings"
-                android:targetClass="com.android.settings.Settings$NotificationAppListActivity">
-            </intent>
-        </Preference>
-    </PreferenceCategory>
-
-    <!-- Empty category to draw divider -->
-    <PreferenceCategory
-        android:key="all_notifications_divider"
-        android:order="-190"/>
-
     <!-- When device is locked -->
-    <com.android.settings.notification.RestrictedDropDownPreference
+    <com.android.settings.RestrictedListPreference
         android:key="lock_screen_notifications"
         android:title="@string/lock_screen_notifications_title"
         android:summary="@string/summary_placeholder"/>
 
+    <PreferenceCategory
+        android:key="lock_screen_notifications_profile_header"
+        android:title="@string/profile_section_header">
+
+        <com.android.settings.RestrictedListPreference
+            android:key="lock_screen_notifications_profile"
+            android:title="@string/lock_screen_notifications_title"
+            android:summary="@string/summary_placeholder"/>
+
+    </PreferenceCategory>
+
     <!-- Notification badging -->
     <SwitchPreference
         android:key="notification_badging"
@@ -71,14 +59,30 @@
         android:title="@string/fingerprint_swipe_for_notifications_title"
         android:fragment="com.android.settings.gestures.SwipeToNotificationSettings" />
 
+    <!-- Empty category to draw divider -->
     <PreferenceCategory
-        android:key="lock_screen_notifications_profile_header"
-        android:title="@string/profile_section_header">
+        android:key="all_notifications_divider"
+        android:order="20"/>
 
-        <com.android.settings.notification.RestrictedDropDownPreference
-            android:key="lock_screen_notifications_profile"
-            android:title="@string/lock_screen_notifications_title"
-            android:summary="@string/summary_placeholder"/>
+    <PreferenceCategory
+        android:key="recent_notifications_category"
+        android:title="@string/recent_notifications"
+        settings:allowDividerAbove="false"
+        android:order="21">
+        <!-- Placeholder for a list of recent apps -->
 
+        <!-- See all apps button -->
+        <Preference
+            android:title="@string/notifications_title"
+            android:key="all_notifications"
+            android:order="22">
+            <intent
+                android:action="android.intent.action.MAIN"
+                android:targetPackage="com.android.settings"
+                android:targetClass="com.android.settings.Settings$NotificationAppListActivity">
+            </intent>
+        </Preference>
     </PreferenceCategory>
+
+
 </PreferenceScreen>
diff --git a/res/xml/development_settings.xml b/res/xml/development_settings.xml
index 04644f5..42e5c54 100644
--- a/res/xml/development_settings.xml
+++ b/res/xml/development_settings.xml
@@ -15,109 +15,116 @@
 -->
 
 <PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
-        xmlns:settings="http://schemas.android.com/apk/res-auto"
-        android:key="development_prefs_screen"
-        android:title="@string/development_settings_title">
+                  xmlns:settings="http://schemas.android.com/apk/res-auto"
+                  android:key="development_prefs_screen"
+                  android:title="@string/development_settings_title">
 
-    <Preference
-        android:key="memory"
-        android:icon="@drawable/ic_settings_memory"
-        android:title="@string/memory_settings_title"
-        android:summary="@string/summary_placeholder"
-        android:fragment="com.android.settings.applications.ProcessStatsSummary" />
+    <PreferenceCategory
+        android:key="debug_misc_category"
+        android:order="100">
 
-    <com.android.settings.BugreportPreference
+        <Preference
+            android:key="memory"
+            android:icon="@drawable/ic_settings_memory"
+            android:title="@string/memory_settings_title"
+            android:summary="@string/summary_placeholder"
+            android:fragment="com.android.settings.applications.ProcessStatsSummary" />
+
+        <com.android.settings.BugreportPreference
             android:key="bugreport"
             android:title="@*android:string/bugreport_title"
             android:dialogTitle="@*android:string/bugreport_title" />
 
-    <Preference
+        <Preference
             android:key="local_backup_password"
             android:title="@string/local_backup_password_title"
             android:summary="@string/local_backup_password_summary_none"
-            android:persistent="false" >
-        <intent
+            android:persistent="false">
+            <intent
                 android:action="android.settings.privacy.SET_FULL_BACKUP_PASSWORD"
                 android:targetPackage="com.android.settings"
                 android:targetClass="com.android.settings.SetFullBackupPassword" />
-    </Preference>
+        </Preference>
 
-    <com.android.settingslib.RestrictedSwitchPreference
-        android:key="keep_screen_on"
-        android:title="@string/keep_screen_on"
-        android:summary="@string/keep_screen_on_summary"
-        settings:useAdditionalSummary="true" />
+        <com.android.settingslib.RestrictedSwitchPreference
+            android:key="keep_screen_on"
+            android:title="@string/keep_screen_on"
+            android:summary="@string/keep_screen_on_summary"
+            settings:useAdditionalSummary="true" />
 
-    <ListPreference
-        android:key="hdcp_checking"
-        android:title="@string/hdcp_checking_title"
-        android:dialogTitle="@string/hdcp_checking_dialog_title"
-        android:entries="@array/hdcp_checking_titles"
-        android:entryValues="@array/hdcp_checking_values" />
+        <ListPreference
+            android:key="hdcp_checking"
+            android:title="@string/hdcp_checking_title"
+            android:dialogTitle="@string/hdcp_checking_dialog_title"
+            android:entries="@array/hdcp_checking_titles"
+            android:entryValues="@array/hdcp_checking_values" />
 
-    <SwitchPreference
-        android:key="bt_hci_snoop_log"
-        android:title="@string/bt_hci_snoop_log"
-        android:summary="@string/bt_hci_snoop_log_summary"/>
+        <SwitchPreference
+            android:key="bt_hci_snoop_log"
+            android:title="@string/bt_hci_snoop_log"
+            android:summary="@string/bt_hci_snoop_log_summary" />
 
-    <com.android.settingslib.RestrictedSwitchPreference
-        android:key="oem_unlock_enable"
-        android:title="@string/oem_unlock_enable"
-        android:summary="@string/oem_unlock_enable_summary"
-        settings:useAdditionalSummary="true"/>
+        <com.android.settingslib.RestrictedSwitchPreference
+            android:key="oem_unlock_enable"
+            android:title="@string/oem_unlock_enable"
+            android:summary="@string/oem_unlock_enable_summary"
+            settings:useAdditionalSummary="true" />
 
-    <Preference
-        android:key="running_apps"
-        android:title="@string/runningservices_settings_title"
-        android:summary="@string/runningservices_settings_summary"
-        android:fragment="com.android.settings.applications.RunningServices" />
+        <Preference
+            android:key="running_apps"
+            android:title="@string/runningservices_settings_title"
+            android:summary="@string/runningservices_settings_summary"
+            android:fragment="com.android.settings.applications.RunningServices" />
 
-    <Preference
-        android:key="convert_to_file_encryption"
-        android:title="@string/convert_to_file_encryption"
-        android:summary="@string/convert_to_file_encryption_enabled"
-        android:fragment="com.android.settings.applications.ConvertToFbe" />
+        <Preference
+            android:key="convert_to_file_encryption"
+            android:title="@string/convert_to_file_encryption"
+            android:summary="@string/convert_to_file_encryption_enabled"
+            android:fragment="com.android.settings.applications.ConvertToFbe" />
 
-    <com.android.settings.development.ColorModePreference
-        android:key="picture_color_mode"
-        android:title="@string/picture_color_mode"
-        android:summary="@string/picture_color_mode_desc" />
+        <com.android.settings.development.ColorModePreference
+            android:key="picture_color_mode"
+            android:title="@string/picture_color_mode"
+            android:summary="@string/picture_color_mode_desc" />
 
-    <Preference android:key="select_webview_provider"
-        android:title="@string/select_webview_provider_title"
-        android:dialogTitle="@string/select_webview_provider_dialog_title"
-        android:fragment="com.android.settings.webview.WebViewAppPicker" />
+        <Preference android:key="select_webview_provider"
+                    android:title="@string/select_webview_provider_title"
+                    android:dialogTitle="@string/select_webview_provider_dialog_title"
+                    android:fragment="com.android.settings.webview.WebViewAppPicker" />
 
-    <SwitchPreference
-        android:key="color_temperature"
-        android:title="@string/color_temperature"
-        android:summary="@string/color_temperature_desc" />
+        <SwitchPreference
+            android:key="color_temperature"
+            android:title="@string/color_temperature"
+            android:summary="@string/color_temperature_desc" />
 
-    <SwitchPreference
-        android:key="ota_disable_automatic_update"
-        android:title="@string/ota_disable_automatic_update" />
+        <SwitchPreference
+            android:key="ota_disable_automatic_update"
+            android:title="@string/ota_disable_automatic_update" />
 
-    <Preference
-        android:key="demo_mode"
-        android:title="@string/demo_mode">
-        <intent android:action="com.android.settings.action.DEMO_MODE" />
-    </Preference>
+        <Preference
+            android:key="demo_mode"
+            android:title="@string/demo_mode">
+            <intent android:action="com.android.settings.action.DEMO_MODE" />
+        </Preference>
 
-    <Preference
-        android:key="quick_settings_tiles"
-        android:title="@string/quick_settings_developer_tiles"
-        android:fragment="com.android.settings.development.qstile.DevelopmentTileConfigFragment" />
+        <Preference
+            android:key="quick_settings_tiles"
+            android:title="@string/quick_settings_developer_tiles"
+            android:fragment="com.android.settings.development.qstile.DevelopmentTileConfigFragment" />
+    </PreferenceCategory>
 
-    <PreferenceCategory android:key="debug_debugging_category"
-            android:title="@string/debug_debugging_category">
+    <PreferenceCategory
+        android:key="debug_debugging_category"
+        android:title="@string/debug_debugging_category"
+        android:order="200">
 
         <SwitchPreference
             android:key="enable_adb"
             android:title="@string/enable_adb"
-            android:summary="@string/enable_adb_summary"/>
+            android:summary="@string/enable_adb_summary" />
 
         <Preference android:key="clear_adb_keys"
-                android:title="@string/clear_adb_keys" />
+                    android:title="@string/clear_adb_keys" />
 
         <SwitchPreference
             android:key="enable_terminal"
@@ -127,32 +134,32 @@
         <SwitchPreference
             android:key="bugreport_in_power"
             android:title="@string/bugreport_in_power"
-            android:summary="@string/bugreport_in_power_summary"/>
+            android:summary="@string/bugreport_in_power_summary" />
 
         <Preference android:key="mock_location_app"
-            android:title="@string/mock_location_app" />
+                    android:title="@string/mock_location_app" />
 
         <SwitchPreference
             android:key="enable_gnss_raw_meas_full_tracking"
             android:title="@string/enable_gnss_raw_meas_full_tracking"
-            android:summary="@string/enable_gnss_raw_meas_full_tracking_summary"/>
+            android:summary="@string/enable_gnss_raw_meas_full_tracking_summary" />
 
         <SwitchPreference
-                android:key="debug_view_attributes"
-                android:title="@string/debug_view_attributes" />
+            android:key="debug_view_attributes"
+            android:title="@string/debug_view_attributes" />
 
         <Preference android:key="debug_app"
-                android:title="@string/debug_app" />
+                    android:title="@string/debug_app" />
 
         <SwitchPreference
             android:key="wait_for_debugger"
             android:title="@string/wait_for_debugger"
-            android:summary="@string/wait_for_debugger_summary"/>
+            android:summary="@string/wait_for_debugger_summary" />
 
         <com.android.settingslib.RestrictedSwitchPreference
             android:key="verify_apps_over_usb"
             android:title="@string/verify_apps_over_usb_title"
-            android:summary="@string/verify_apps_over_usb_summary"/>
+            android:summary="@string/verify_apps_over_usb_summary" />
 
         <ListPreference
             android:key="select_logd_size"
@@ -171,7 +178,7 @@
         <SwitchPreference
             android:key="connectivity_monitor_switch"
             android:title="@string/connectivity_monitor_switch"
-            android:summary="@string/connectivity_monitor_switch_summary"/>
+            android:summary="@string/connectivity_monitor_switch_summary" />
 
         <SwitchPreference
             android:key="camera_laser_sensor_switch"
@@ -180,42 +187,48 @@
         <Preference
             android:key="feature_flags_dashboard"
             android:title="@string/feature_flags_dashboard_title"
-            android:fragment="com.android.settings.development.featureflags.FeatureFlagsDashboard"/>
+            android:fragment="com.android.settings.development.featureflags.FeatureFlagsDashboard" />
 
         <SwitchPreference
             android:key="enable_gpu_debug_layers"
             android:title="@string/enable_gpu_debug_layers"
-            android:summary="@string/enable_gpu_debug_layers_summary"/>
+            android:summary="@string/enable_gpu_debug_layers_summary" />
 
     </PreferenceCategory>
 
-    <PreferenceCategory android:key="debug_networking_category"
-            android:title="@string/debug_networking_category">
+    <PreferenceCategory
+        android:key="dashboard_tile_placeholder"
+        android:order="300" />
+
+    <PreferenceCategory
+        android:key="debug_networking_category"
+        android:title="@string/debug_networking_category"
+        android:order="400">
 
         <SwitchPreference
             android:key="wifi_display_certification"
             android:title="@string/wifi_display_certification"
-            android:summary="@string/wifi_display_certification_summary"/>
+            android:summary="@string/wifi_display_certification_summary" />
 
         <SwitchPreference
             android:key="wifi_verbose_logging"
             android:title="@string/wifi_verbose_logging"
-            android:summary="@string/wifi_verbose_logging_summary"/>
+            android:summary="@string/wifi_verbose_logging_summary" />
 
         <SwitchPreference
             android:key="wifi_connected_mac_randomization"
             android:title="@string/wifi_connected_mac_randomization"
-            android:summary="@string/wifi_connected_mac_randomization_summary"/>
+            android:summary="@string/wifi_connected_mac_randomization_summary" />
 
         <SwitchPreference
             android:key="mobile_data_always_on"
             android:title="@string/mobile_data_always_on"
-            android:summary="@string/mobile_data_always_on_summary"/>
+            android:summary="@string/mobile_data_always_on_summary" />
 
         <SwitchPreference
             android:key="tethering_hardware_offload"
             android:title="@string/tethering_hardware_offload"
-            android:summary="@string/tethering_hardware_offload_summary"/>
+            android:summary="@string/tethering_hardware_offload_summary" />
 
         <ListPreference
             android:key="select_usb_configuration"
@@ -227,17 +240,17 @@
         <SwitchPreference
             android:key="bluetooth_show_devices_without_names"
             android:title="@string/bluetooth_show_devices_without_names"
-            android:summary="@string/bluetooth_show_devices_without_names_summary"/>
+            android:summary="@string/bluetooth_show_devices_without_names_summary" />
 
         <SwitchPreference
             android:key="bluetooth_disable_absolute_volume"
             android:title="@string/bluetooth_disable_absolute_volume"
-            android:summary="@string/bluetooth_disable_absolute_volume_summary"/>
+            android:summary="@string/bluetooth_disable_absolute_volume_summary" />
 
         <SwitchPreference
             android:key="bluetooth_disable_inband_ringing"
             android:title="@string/bluetooth_disable_inband_ringing"
-            android:summary="@string/bluetooth_disable_inband_ringing_summary"/>
+            android:summary="@string/bluetooth_disable_inband_ringing_summary" />
 
         <ListPreference
             android:key="bluetooth_select_avrcp_version"
@@ -282,46 +295,50 @@
             android:entryValues="@array/bluetooth_a2dp_codec_ldac_playback_quality_values" />
 
         <ListPreference
-                android:key="bluetooth_max_connected_audio_devices"
-                android:title="@string/bluetooth_max_connected_audio_devices_string"
-                android:dialogTitle="@string/bluetooth_max_connected_audio_devices_dialog_title"
-                android:entries="@array/bluetooth_max_connected_audio_devices"
-                android:entryValues="@array/bluetooth_max_connected_audio_devices_values" />
+            android:key="bluetooth_max_connected_audio_devices"
+            android:title="@string/bluetooth_max_connected_audio_devices_string"
+            android:dialogTitle="@string/bluetooth_max_connected_audio_devices_dialog_title"
+            android:entries="@array/bluetooth_max_connected_audio_devices"
+            android:entryValues="@array/bluetooth_max_connected_audio_devices_values" />
 
     </PreferenceCategory>
 
-    <PreferenceCategory android:key="debug_input_category"
-            android:title="@string/debug_input_category">
+    <PreferenceCategory
+        android:key="debug_input_category"
+        android:title="@string/debug_input_category"
+        android:order="500">
 
         <SwitchPreference
             android:key="show_touches"
             android:title="@string/show_touches"
-            android:summary="@string/show_touches_summary"/>
+            android:summary="@string/show_touches_summary" />
 
         <SwitchPreference
             android:key="pointer_location"
             android:title="@string/pointer_location"
-            android:summary="@string/pointer_location_summary"/>
+            android:summary="@string/pointer_location_summary" />
 
     </PreferenceCategory>
 
-    <PreferenceCategory android:key="debug_drawing_category"
-            android:title="@string/debug_drawing_category">
+    <PreferenceCategory
+        android:key="debug_drawing_category"
+        android:title="@string/debug_drawing_category"
+        android:order="600">
 
         <SwitchPreference
             android:key="show_screen_updates"
             android:title="@string/show_screen_updates"
-            android:summary="@string/show_screen_updates_summary"/>
+            android:summary="@string/show_screen_updates_summary" />
 
         <SwitchPreference
             android:key="debug_layout"
             android:title="@string/debug_layout"
-            android:summary="@string/debug_layout_summary"/>
+            android:summary="@string/debug_layout_summary" />
 
         <SwitchPreference
             android:key="force_rtl_layout_all_locales"
             android:title="@string/force_rtl_layout_all_locales"
-            android:summary="@string/force_rtl_layout_all_locales_summary"/>
+            android:summary="@string/force_rtl_layout_all_locales_summary" />
 
         <ListPreference
             android:key="window_animation_scale"
@@ -357,78 +374,84 @@
 
     </PreferenceCategory>
 
-    <PreferenceCategory android:key="debug_hw_drawing_category"
-            android:title="@string/debug_hw_drawing_category">
+    <PreferenceCategory
+        android:key="debug_hw_drawing_category"
+        android:title="@string/debug_hw_drawing_category"
+        android:order="700">
 
         <SwitchPreference
-                android:key="force_hw_ui"
-                android:title="@string/force_hw_ui"
-                android:summary="@string/force_hw_ui_summary"/>
+            android:key="force_hw_ui"
+            android:title="@string/force_hw_ui"
+            android:summary="@string/force_hw_ui_summary" />
 
         <SwitchPreference
-                android:key="show_hw_screen_updates"
-                android:title="@string/show_hw_screen_updates"
-                android:summary="@string/show_hw_screen_updates_summary"/>
+            android:key="show_hw_screen_updates"
+            android:title="@string/show_hw_screen_updates"
+            android:summary="@string/show_hw_screen_updates_summary" />
 
         <SwitchPreference
-                android:key="show_hw_layers_updates"
-                android:title="@string/show_hw_layers_updates"
-                android:summary="@string/show_hw_layers_updates_summary"/>
+            android:key="show_hw_layers_updates"
+            android:title="@string/show_hw_layers_updates"
+            android:summary="@string/show_hw_layers_updates_summary" />
 
         <ListPreference
-                android:key="debug_hw_overdraw"
-                android:title="@string/debug_hw_overdraw"
-                android:entries="@array/debug_hw_overdraw_entries"
-                android:entryValues="@array/debug_hw_overdraw_values" />
+            android:key="debug_hw_overdraw"
+            android:title="@string/debug_hw_overdraw"
+            android:entries="@array/debug_hw_overdraw_entries"
+            android:entryValues="@array/debug_hw_overdraw_values" />
 
         <ListPreference
-                android:key="show_non_rect_clip"
-                android:title="@string/show_non_rect_clip"
-                android:entries="@array/show_non_rect_clip_entries"
-                android:entryValues="@array/show_non_rect_clip_values" />
+            android:key="show_non_rect_clip"
+            android:title="@string/show_non_rect_clip"
+            android:entries="@array/show_non_rect_clip_entries"
+            android:entryValues="@array/show_non_rect_clip_values" />
 
         <SwitchPreference
-                android:key="force_msaa"
-                android:title="@string/force_msaa"
-                android:summary="@string/force_msaa_summary"/>
+            android:key="force_msaa"
+            android:title="@string/force_msaa"
+            android:summary="@string/force_msaa_summary" />
 
         <SwitchPreference
-                android:key="disable_overlays"
-                android:title="@string/disable_overlays"
-                android:summary="@string/disable_overlays_summary"/>
+            android:key="disable_overlays"
+            android:title="@string/disable_overlays"
+            android:summary="@string/disable_overlays_summary" />
 
         <ListPreference
-                android:entries="@array/simulate_color_space_entries"
-                android:entryValues="@array/simulate_color_space_values"
-                android:key="simulate_color_space"
-                android:summary="%s"
-                android:title="@string/simulate_color_space" />
+            android:entries="@array/simulate_color_space_entries"
+            android:entryValues="@array/simulate_color_space_values"
+            android:key="simulate_color_space"
+            android:summary="%s"
+            android:title="@string/simulate_color_space" />
 
         <ListPreference
-                android:key="debug_hw_renderer"
-                android:title="@string/debug_hw_renderer"
-                android:entries="@array/debug_hw_renderer_entries"
-                android:entryValues="@array/debug_hw_renderer_values" />
+            android:key="debug_hw_renderer"
+            android:title="@string/debug_hw_renderer"
+            android:entries="@array/debug_hw_renderer_entries"
+            android:entryValues="@array/debug_hw_renderer_values" />
 
     </PreferenceCategory>
 
-    <PreferenceCategory android:key="media_category"
-            android:title="@string/media_category">
+    <PreferenceCategory
+        android:key="media_category"
+        android:title="@string/media_category"
+        android:order="800">
 
         <SwitchPreference
-                android:key="usb_audio"
-                android:title="@string/usb_audio_disable_routing"
-                android:summary="@string/usb_audio_disable_routing_summary" />
+            android:key="usb_audio"
+            android:title="@string/usb_audio_disable_routing"
+            android:summary="@string/usb_audio_disable_routing_summary" />
 
     </PreferenceCategory>
 
-    <PreferenceCategory android:key="debug_monitoring_category"
-            android:title="@string/debug_monitoring_category">
+    <PreferenceCategory
+        android:key="debug_monitoring_category"
+        android:title="@string/debug_monitoring_category"
+        android:order="900">
 
         <SwitchPreference
             android:key="strict_mode"
             android:title="@string/strict_mode"
-            android:summary="@string/strict_mode_summary"/>
+            android:summary="@string/strict_mode_summary" />
 
         <ListPreference
             android:key="track_frame_time"
@@ -438,13 +461,15 @@
 
     </PreferenceCategory>
 
-    <PreferenceCategory android:key="debug_applications_category"
-            android:title="@string/debug_applications_category">
+    <PreferenceCategory
+        android:key="debug_applications_category"
+        android:title="@string/debug_applications_category"
+        android:order="1000">
 
         <SwitchPreference
             android:key="immediately_destroy_activities"
             android:title="@string/immediately_destroy_activities"
-            android:summary="@string/immediately_destroy_activities_summary"/>
+            android:summary="@string/immediately_destroy_activities_summary" />
 
         <ListPreference
             android:key="app_process_limit"
@@ -454,52 +479,48 @@
 
 
         <Preference
-                android:key="background_check"
-                android:fragment="com.android.settings.applications.appops.BackgroundCheckSummary"
-                android:title="@string/background_check_pref" />
+            android:key="background_check"
+            android:fragment="com.android.settings.applications.appops.BackgroundCheckSummary"
+            android:title="@string/background_check_pref" />
 
         <SwitchPreference
             android:key="show_first_crash_dialog"
             android:title="@string/show_first_crash_dialog"
-            android:summary="@string/show_first_crash_dialog_summary"/>
+            android:summary="@string/show_first_crash_dialog_summary" />
 
         <SwitchPreference
             android:key="show_all_anrs"
             android:title="@string/show_all_anrs"
-            android:summary="@string/show_all_anrs_summary"/>
+            android:summary="@string/show_all_anrs_summary" />
 
         <SwitchPreference
             android:key="show_notification_channel_warnings"
             android:title="@string/show_notification_channel_warnings"
-            android:summary="@string/show_notification_channel_warnings_summary"/>
+            android:summary="@string/show_notification_channel_warnings_summary" />
 
         <Preference
-                android:key="inactive_apps"
-                android:title="@string/inactive_apps_title"
-                android:fragment="com.android.settings.fuelgauge.InactiveApps"/>
+            android:key="inactive_apps"
+            android:title="@string/inactive_apps_title"
+            android:fragment="com.android.settings.fuelgauge.InactiveApps" />
 
         <SwitchPreference
             android:key="force_allow_on_external"
             android:title="@string/force_allow_on_external"
-            android:summary="@string/force_allow_on_external_summary"/>
+            android:summary="@string/force_allow_on_external_summary" />
 
         <SwitchPreference
             android:key="force_resizable_activities"
             android:title="@string/force_resizable_activities"
-            android:summary="@string/force_resizable_activities_summary"/>
+            android:summary="@string/force_resizable_activities_summary" />
 
         <SwitchPreference
-                android:key="enable_freeform_support"
-                android:title="@string/enable_freeform_support"
-                android:summary="@string/enable_freeform_support_summary"/>
+            android:key="enable_freeform_support"
+            android:title="@string/enable_freeform_support"
+            android:summary="@string/enable_freeform_support_summary" />
 
         <Preference
             android:key="reset_shortcut_manager_throttling"
             android:title="@string/reset_shortcut_manager_throttling" />
-     </PreferenceCategory>
-
-    <PreferenceCategory
-      android:key="dashboard_tile_placeholder"
-      android:order="200"/>
+    </PreferenceCategory>
 
 </PreferenceScreen>
diff --git a/res/xml/location_mode.xml b/res/xml/location_mode.xml
deleted file mode 100644
index ac8e584..0000000
--- a/res/xml/location_mode.xml
+++ /dev/null
@@ -1,35 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- Copyright (C) 2011 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.
--->
-
-<PreferenceScreen
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:key="location_mode_settings"
-    android:title="@string/location_mode_screen_title">
-
-    <com.android.settings.widget.RadioButtonPreference
-        android:key="high_accuracy"
-        android:title="@string/location_mode_high_accuracy_title"
-        android:summary="@string/location_mode_high_accuracy_description" />
-    <com.android.settings.widget.RadioButtonPreference
-        android:key="battery_saving"
-        android:title="@string/location_mode_battery_saving_title"
-        android:summary="@string/location_mode_battery_saving_description" />
-    <com.android.settings.widget.RadioButtonPreference
-        android:key="sensors_only"
-        android:title="@string/location_mode_sensors_only_title"
-        android:summary="@string/location_mode_sensors_only_description" />
-
-</PreferenceScreen>
diff --git a/res/xml/location_settings.xml b/res/xml/location_settings.xml
index 0414f20..267fce9 100644
--- a/res/xml/location_settings.xml
+++ b/res/xml/location_settings.xml
@@ -50,10 +50,4 @@
         <PreferenceCategory
             android:key="location_services"
             android:title="@string/location_category_location_services" />
-
-        <Preference
-            android:key="location_mode"
-            android:title="@string/location_mode_title"
-            settings:keywords="@string/keywords_location_mode"
-            android:summary="@string/summary_placeholder" />
 </PreferenceScreen>
diff --git a/res/xml/security_lockscreen_settings.xml b/res/xml/security_lockscreen_settings.xml
index 6faedd7..1da1de5 100644
--- a/res/xml/security_lockscreen_settings.xml
+++ b/res/xml/security_lockscreen_settings.xml
@@ -19,7 +19,7 @@
     android:key="security_lockscreen_settings_screen"
     android:title="@string/lockscreen_settings_title">
 
-    <com.android.settings.notification.RestrictedDropDownPreference
+    <com.android.settings.RestrictedListPreference
         android:key="security_setting_lock_screen_notif"
         android:title="@string/lock_screen_notifications_title"
         android:summary="@string/summary_placeholder" />
@@ -42,7 +42,7 @@
         android:key="security_setting_lock_screen_notif_work_header"
         android:title="@string/profile_section_header">
 
-        <com.android.settings.notification.RestrictedDropDownPreference
+        <com.android.settings.RestrictedListPreference
             android:key="security_setting_lock_screen_notif_work"
             android:title="@string/lock_screen_notifications_title"
             android:summary="@string/summary_placeholder" />
diff --git a/src/com/android/settings/MasterClear.java b/src/com/android/settings/MasterClear.java
index b7fb694..687e645 100644
--- a/src/com/android/settings/MasterClear.java
+++ b/src/com/android/settings/MasterClear.java
@@ -123,17 +123,21 @@
         return !((requestCode != KEYGUARD_REQUEST) && (requestCode != CREDENTIAL_CONFIRM_REQUEST));
     }
 
+    @VisibleForTesting
+    boolean isShowFinalConfirmation(int requestCode, int resultCode) {
+        return (resultCode == Activity.RESULT_OK) || (requestCode == CREDENTIAL_CONFIRM_REQUEST);
+    }
+
     @Override
     public void onActivityResult(int requestCode, int resultCode, Intent data) {
         super.onActivityResult(requestCode, resultCode, data);
-
         if (!isValidRequestCode(requestCode)) {
             return;
         }
 
         // If the user entered a valid keyguard trace, present the final
         // confirmation prompt; otherwise, go back to the initial state.
-        if (resultCode == Activity.RESULT_OK) {
+        if (isShowFinalConfirmation(requestCode, resultCode)) {
             showFinalConfirmation();
         } else {
             establishInitialState();
@@ -155,7 +159,10 @@
         final Context context = getActivity();
         final String accountType = context.getString(R.string.account_type);
         final String packageName = context.getString(R.string.account_confirmation_package);
-        if (TextUtils.isEmpty(accountType) || TextUtils.isEmpty(packageName)) {
+        final String className = context.getString(R.string.account_confirmation_class);
+        if (TextUtils.isEmpty(accountType)
+                || TextUtils.isEmpty(packageName)
+                || TextUtils.isEmpty(className)) {
             return false;
         }
         final AccountManager am = AccountManager.get(context);
@@ -163,7 +170,7 @@
         if (accounts != null && accounts.length > 0) {
             final Intent requestAccountConfirmation = new Intent()
                 .setPackage(packageName)
-                .setAction("android.accounts.action.PRE_FACTORY_RESET");
+                .setComponent(new ComponentName(packageName, className));
             // Check to make sure that the intent is supported.
             final PackageManager pm = context.getPackageManager();
             final ResolveInfo resolution = pm.resolveActivity(requestAccountConfirmation, 0);
@@ -172,7 +179,7 @@
                     && packageName.equals(resolution.activityInfo.packageName)) {
                 // Note that we need to check the packagename to make sure that an Activity resolver
                 // wasn't returned.
-                getActivity().startActivityForResult(
+                startActivityForResult(
                     requestAccountConfirmation, CREDENTIAL_CONFIRM_REQUEST);
                 return true;
             }
diff --git a/src/com/android/settings/applications/AppStorageSettings.java b/src/com/android/settings/applications/AppStorageSettings.java
index 78a5050..ff036bb 100644
--- a/src/com/android/settings/applications/AppStorageSettings.java
+++ b/src/com/android/settings/applications/AppStorageSettings.java
@@ -22,6 +22,7 @@
 import android.app.ActivityManager;
 import android.app.AlertDialog;
 import android.app.AppGlobals;
+import android.app.GrantedUriPermission;
 import android.app.LoaderManager;
 import android.content.Context;
 import android.content.DialogInterface;
@@ -399,7 +400,7 @@
         // Gets all URI permissions from am.
         ActivityManager am = (ActivityManager) getActivity().getSystemService(
                 Context.ACTIVITY_SERVICE);
-        List<UriPermission> perms =
+        List<GrantedUriPermission> perms =
                 am.getGrantedUriPermissions(mAppEntry.info.packageName).getList();
 
         if (perms.isEmpty()) {
@@ -411,8 +412,8 @@
 
         // Group number of URIs by app.
         Map<CharSequence, MutableInt> uriCounters = new TreeMap<>();
-        for (UriPermission perm : perms) {
-            String authority = perm.getUri().getAuthority();
+        for (GrantedUriPermission perm : perms) {
+            String authority = perm.uri.getAuthority();
             ProviderInfo provider = pm.resolveContentProvider(authority, 0);
             CharSequence app = provider.applicationInfo.loadLabel(pm);
             MutableInt count = uriCounters.get(app);
diff --git a/src/com/android/settings/applications/DirectoryAccessDetails.java b/src/com/android/settings/applications/DirectoryAccessDetails.java
index 43422d0..3e9bf47 100644
--- a/src/com/android/settings/applications/DirectoryAccessDetails.java
+++ b/src/com/android/settings/applications/DirectoryAccessDetails.java
@@ -24,6 +24,7 @@
 import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PERMISSIONS;
 import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PERMISSIONS_COLUMNS;
 import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PERMISSIONS_COL_DIRECTORY;
+import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PERMISSIONS_COL_GRANTED;
 import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PERMISSIONS_COL_PACKAGE;
 import static android.os.storage.StorageVolume.ScopedAccessProviderContract.TABLE_PERMISSIONS_COL_VOLUME_UUID;
 
@@ -120,8 +121,7 @@
         addPreferencesFromResource(R.xml.directory_access_details);
         final PreferenceScreen prefsGroup = getPreferenceScreen();
 
-        // Set external directory UUIDs.
-        ArraySet<String> externalDirectoryUuids = null;
+        final Map<String, ExternalVolume> externalVolumes = new HashMap<>();
 
         final Uri providerUri = new Uri.Builder().scheme(ContentResolver.SCHEME_CONTENT)
                 .authority(AUTHORITY).appendPath(TABLE_PERMISSIONS).appendPath("*")
@@ -146,8 +146,10 @@
                 final String pkg = cursor.getString(TABLE_PERMISSIONS_COL_PACKAGE);
                 final String uuid = cursor.getString(TABLE_PERMISSIONS_COL_VOLUME_UUID);
                 final String dir = cursor.getString(TABLE_PERMISSIONS_COL_DIRECTORY);
+                final boolean granted = cursor.getInt(TABLE_PERMISSIONS_COL_GRANTED) == 1;
                 if (VERBOSE) {
-                    Log.v(TAG, "Pkg:"  + pkg + " uuid: " + uuid + " dir: " + dir);
+                    Log.v(TAG, "Pkg:"  + pkg + " uuid: " + uuid + " dir: " + dir
+                            + " granted:" + granted);
                 }
 
                 if (!mPackageName.equals(pkg)) {
@@ -159,64 +161,92 @@
 
                 if (uuid == null) {
                     // Primary storage entry: add right away
-                    prefsGroup.addPreference(
-                            newPreference(context, dir, providerUri, /* uuid= */ null, dir));
+                    prefsGroup.addPreference(newPreference(context, dir, providerUri,
+                            /* uuid= */ null, dir, granted));
                 } else {
                     // External volume entry: save it for later.
-                    if (externalDirectoryUuids == null) {
-                        externalDirectoryUuids = new ArraySet<>(1);
+                    ExternalVolume externalVolume = externalVolumes.get(uuid);
+                    if (externalVolume == null) {
+                        externalVolume = new ExternalVolume(uuid);
+                        externalVolumes.put(uuid, externalVolume);
                     }
-                    externalDirectoryUuids.add(uuid);
+                    if (dir == null) {
+                        // Whole volume
+                        externalVolume.granted = granted;
+                    } else {
+                        // Directory only
+                        externalVolume.children.add(new Pair<>(dir, granted));
+                    }
                 }
             }
         }
 
+        if (VERBOSE) {
+            Log.v(TAG, "external volumes: " + externalVolumes);
+        }
+
+        if (externalVolumes.isEmpty()) {
+            // We're done!
+            return;
+        }
+
         // Add entries from external volumes
-        if (externalDirectoryUuids != null) {
-            if (VERBOSE) {
-                Log.v(TAG, "adding external directories: " + externalDirectoryUuids);
-            }
 
-            // Query StorageManager to get the user-friendly volume names.
-            final StorageManager sm = context.getSystemService(StorageManager.class);
-            final List<VolumeInfo> volumes = sm.getVolumes();
-            if (volumes.isEmpty()) {
-                Log.w(TAG, "StorageManager returned no secondary volumes");
-                return;
-            }
-            final Map<String, String> volumeNames = new HashMap<>(volumes.size());
-            for (VolumeInfo volume : volumes) {
-                final String uuid = volume.getFsUuid();
-                if (uuid == null) continue; // Primary storage; not used.
+        // Query StorageManager to get the user-friendly volume names.
+        final StorageManager sm = context.getSystemService(StorageManager.class);
+        final List<VolumeInfo> volumes = sm.getVolumes();
+        if (volumes.isEmpty()) {
+            Log.w(TAG, "StorageManager returned no secondary volumes");
+            return;
+        }
+        final Map<String, String> volumeNames = new HashMap<>(volumes.size());
+        for (VolumeInfo volume : volumes) {
+            final String uuid = volume.getFsUuid();
+            if (uuid == null) continue; // Primary storage; not used.
 
-                String name = sm.getBestVolumeDescription(volume);
-                if (name == null) {
-                    Log.w(TAG, "No description for " + volume + "; using uuid instead: " + uuid);
-                    name = uuid;
-                }
-                volumeNames.put(uuid, name);
+            String name = sm.getBestVolumeDescription(volume);
+            if (name == null) {
+                Log.w(TAG, "No description for " + volume + "; using uuid instead: " + uuid);
+                name = uuid;
             }
-            if (VERBOSE) {
-                Log.v(TAG, "UUID -> name mapping: " + volumeNames);
-            }
+            volumeNames.put(uuid, name);
+        }
+        if (VERBOSE) {
+            Log.v(TAG, "UUID -> name mapping: " + volumeNames);
+        }
 
-            externalDirectoryUuids.forEach((uuid) ->{
-                final String name = volumeNames.get(uuid);
-                // TODO(b/72055774): add separator
-                prefsGroup.addPreference(
-                        newPreference(context, name, providerUri, uuid, /* dir= */ null));
+        for (ExternalVolume volume : externalVolumes.values()) {
+            final String volumeName = volumeNames.get(volume.uuid);
+            if (volumeName == null) {
+                Log.w(TAG, "Ignoring entry for invalid UUID: " + volume.uuid);
+                continue;
+            }
+            // First add the pref for the whole volume...
+            // TODO(b/72055774): add separator
+            prefsGroup.addPreference(newPreference(context, volumeName, providerUri, volume.uuid,
+                    /* dir= */ null, volume.granted));
+            // TODO(b/72055774): make sure children are gone when parent is toggled on - should be
+            // handled automatically if we're refreshing the activity on change, otherwise we'll
+            // need to explicitly remove them
+
+            // ... then the children prefs
+            volume.children.forEach((pair) -> {
+                final String dir = pair.first;
+                final String name = context.getResources()
+                        .getString(R.string.directory_on_volume, volumeName, dir);
+                prefsGroup
+                        .addPreference(newPreference(context, name, providerUri, volume.uuid,
+                                dir, pair.second));
             });
         }
-        return;
     }
 
-
     private SwitchPreference newPreference(Context context, String title, Uri providerUri,
-            String uuid, String dir) {
+            String uuid, String dir, boolean granted) {
         final SwitchPreference pref = new SwitchPreference(context);
         pref.setKey(String.format("%s:%s", uuid, dir));
         pref.setTitle(title);
-        pref.setChecked(false);
+        pref.setChecked(granted);
         pref.setOnPreferenceChangeListener((unused, value) -> {
             resetDoNotAskAgain(context, value, providerUri, uuid, dir);
             return true;
@@ -259,4 +289,20 @@
     public int getMetricsCategory() {
         return MetricsEvent.APPLICATIONS_DIRECTORY_ACCESS_DETAIL;
     }
+
+    private static class ExternalVolume {
+        final String uuid;
+        final List<Pair<String, Boolean>> children = new ArrayList<>();
+        boolean granted;
+
+        ExternalVolume(String uuid) {
+            this.uuid = uuid;
+        }
+
+        @Override
+        public String toString() {
+            return "ExternalVolume: [uuid=" + uuid + ", granted=" + granted +
+                    ", children=" + children + "]";
+        }
+    }
 }
diff --git a/src/com/android/settings/applications/RecentAppsPreferenceController.java b/src/com/android/settings/applications/RecentAppsPreferenceController.java
index 20c5581..3859081 100644
--- a/src/com/android/settings/applications/RecentAppsPreferenceController.java
+++ b/src/com/android/settings/applications/RecentAppsPreferenceController.java
@@ -325,7 +325,7 @@
             // Not visible on launcher -> likely not a user visible app, skip if non-instant.
             final ApplicationsState.AppEntry appEntry =
                     mApplicationsState.getEntry(pkgName, mUserId);
-            if (!AppUtils.isInstant(appEntry.info)) {
+            if (appEntry == null || appEntry.info == null || !AppUtils.isInstant(appEntry.info)) {
                 Log.d(TAG, "Not a user visible or instant app, skipping " + pkgName);
                 return false;
             }
diff --git a/src/com/android/settings/datausage/DataPlanUsageSummary.java b/src/com/android/settings/datausage/DataPlanUsageSummary.java
index a56bfa1..9489322 100644
--- a/src/com/android/settings/datausage/DataPlanUsageSummary.java
+++ b/src/com/android/settings/datausage/DataPlanUsageSummary.java
@@ -48,6 +48,11 @@
 import java.util.ArrayList;
 import java.util.List;
 
+/**
+ * @deprecated This fragment was supposed to be new version of {@link DataUsageSummary} however
+ * unfinished and used nowhere. Keep it in case we may bring it back someday.
+ */
+@Deprecated
 public class DataPlanUsageSummary extends DataUsageBase {
 
     public static final String KEY_DATA_PLAN_USAGE = "data_plan_usage";
diff --git a/src/com/android/settings/datausage/DataUsageBase.java b/src/com/android/settings/datausage/DataUsageBase.java
index f08d534..b889a2f 100644
--- a/src/com/android/settings/datausage/DataUsageBase.java
+++ b/src/com/android/settings/datausage/DataUsageBase.java
@@ -36,6 +36,10 @@
 import com.android.settings.SettingsPreferenceFragment;
 import com.android.settingslib.NetworkPolicyEditor;
 
+/**
+ * @deprecated please use {@link DataUsageBaseFragment} instead.
+ */
+@Deprecated
 public abstract class DataUsageBase extends SettingsPreferenceFragment {
     private static final String TAG = "DataUsageBase";
     private static final String ETHERNET = "ethernet";
diff --git a/src/com/android/settings/datausage/DataUsageBaseFragment.java b/src/com/android/settings/datausage/DataUsageBaseFragment.java
new file mode 100644
index 0000000..344f2b8
--- /dev/null
+++ b/src/com/android/settings/datausage/DataUsageBaseFragment.java
@@ -0,0 +1,130 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
+ * except in compliance with the License. You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the
+ * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied. See the License for the specific language governing
+ * permissions and limitations under the License.
+ */
+
+package com.android.settings.datausage;
+
+import static android.net.ConnectivityManager.TYPE_ETHERNET;
+
+import android.content.Context;
+import android.net.ConnectivityManager;
+import android.net.INetworkStatsService;
+import android.net.INetworkStatsSession;
+import android.net.NetworkPolicy;
+import android.net.NetworkPolicyManager;
+import android.net.NetworkTemplate;
+import android.net.TrafficStats;
+import android.os.Bundle;
+import android.os.INetworkManagementService;
+import android.os.RemoteException;
+import android.os.ServiceManager;
+import android.os.SystemProperties;
+import android.os.UserManager;
+import android.telephony.SubscriptionManager;
+import android.telephony.TelephonyManager;
+import android.util.Log;
+
+import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settingslib.NetworkPolicyEditor;
+
+public abstract class DataUsageBaseFragment extends DashboardFragment {
+    private static final String TAG = "DataUsageBase";
+    private static final String ETHERNET = "ethernet";
+
+    protected final TemplatePreference.NetworkServices services =
+            new TemplatePreference.NetworkServices();
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+        final Context context = getActivity();
+
+        services.mNetworkService = INetworkManagementService.Stub.asInterface(
+                ServiceManager.getService(Context.NETWORKMANAGEMENT_SERVICE));
+        services.mStatsService = INetworkStatsService.Stub.asInterface(
+                ServiceManager.getService(Context.NETWORK_STATS_SERVICE));
+        services.mPolicyManager = NetworkPolicyManager.from(context);
+
+        services.mPolicyEditor = new NetworkPolicyEditor(services.mPolicyManager);
+
+        services.mTelephonyManager = TelephonyManager.from(context);
+        services.mSubscriptionManager = SubscriptionManager.from(context);
+        services.mUserManager = UserManager.get(context);
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        services.mPolicyEditor.read();
+    }
+
+    protected boolean isAdmin() {
+        return services.mUserManager.isAdminUser();
+    }
+
+    protected boolean isMobileDataAvailable(int subId) {
+        return services.mSubscriptionManager.getActiveSubscriptionInfo(subId) != null;
+    }
+
+    protected boolean isNetworkPolicyModifiable(NetworkPolicy policy, int subId) {
+        return policy != null && isBandwidthControlEnabled() && services.mUserManager.isAdminUser()
+                && isDataEnabled(subId);
+    }
+
+    private boolean isDataEnabled(int subId) {
+        if (subId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
+            return true;
+        }
+        return services.mTelephonyManager.getDataEnabled(subId);
+    }
+
+    protected boolean isBandwidthControlEnabled() {
+        try {
+            return services.mNetworkService.isBandwidthControlEnabled();
+        } catch (RemoteException e) {
+            Log.w(TAG, "problem talking with INetworkManagementService: ", e);
+            return false;
+        }
+    }
+
+    /**
+     * Test if device has an ethernet network connection.
+     */
+    public boolean hasEthernet(Context context) {
+        if (DataUsageUtils.TEST_RADIOS) {
+            return SystemProperties.get(DataUsageUtils.TEST_RADIOS_PROP).contains(ETHERNET);
+        }
+
+        final ConnectivityManager conn = ConnectivityManager.from(context);
+        final boolean hasEthernet = conn.isNetworkSupported(TYPE_ETHERNET);
+
+        final long ethernetBytes;
+        try {
+            INetworkStatsSession statsSession = services.mStatsService.openSession();
+            if (statsSession != null) {
+                ethernetBytes = statsSession.getSummaryForNetwork(
+                        NetworkTemplate.buildTemplateEthernet(), Long.MIN_VALUE, Long.MAX_VALUE)
+                        .getTotalBytes();
+                TrafficStats.closeQuietly(statsSession);
+            } else {
+                ethernetBytes = 0;
+            }
+        } catch (RemoteException e) {
+            throw new RuntimeException(e);
+        }
+
+        // only show ethernet when both hardware present and traffic has occurred
+        return hasEthernet && ethernetBytes > 0;
+    }
+}
diff --git a/src/com/android/settings/datausage/DataUsageSummary.java b/src/com/android/settings/datausage/DataUsageSummary.java
index e626c3a..b63cee3 100644
--- a/src/com/android/settings/datausage/DataUsageSummary.java
+++ b/src/com/android/settings/datausage/DataUsageSummary.java
@@ -46,6 +46,7 @@
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
 import com.android.settingslib.NetworkPolicyEditor;
+import com.android.settingslib.core.AbstractPreferenceController;
 import com.android.settingslib.net.DataUsageController;
 
 import java.util.ArrayList;
@@ -53,11 +54,11 @@
 
 /**
  * Settings preference fragment that displays data usage summary.
- *
- * This class in deprecated use {@link DataPlanUsageSummary}.
  */
-@Deprecated
-public class DataUsageSummary extends DataUsageBase implements Indexable, DataUsageEditController {
+public class DataUsageSummary extends DataUsageBaseFragment implements Indexable,
+        DataUsageEditController {
+
+    private static final String TAG = "DataUsageSummary";
 
     static final boolean LOGD = false;
 
@@ -100,7 +101,6 @@
         boolean hasMobileData = DataUsageUtils.hasMobileData(context);
         mDataUsageController = new DataUsageController(context);
         mDataInfoController = new DataUsageInfoController();
-        addPreferencesFromResource(R.xml.data_usage);
 
         int defaultSubId = DataUsageUtils.getDefaultSubscriptionId(context);
         if (defaultSubId == SubscriptionManager.INVALID_SUBSCRIPTION_ID) {
@@ -177,6 +177,21 @@
         return super.onPreferenceTreeClick(preference);
     }
 
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.data_usage;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected List<AbstractPreferenceController> getPreferenceControllers(Context context) {
+        return null;
+    }
+
     private void addMobileSection(int subId) {
         addMobileSection(subId, null);
     }
diff --git a/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceController.java b/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceController.java
index e4e6493..171dd6a 100644
--- a/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceController.java
+++ b/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceController.java
@@ -18,6 +18,8 @@
 
 import android.bluetooth.BluetoothA2dp;
 import android.bluetooth.BluetoothCodecConfig;
+import android.bluetooth.BluetoothCodecStatus;
+import android.bluetooth.BluetoothDevice;
 import android.content.Context;
 import android.support.annotation.VisibleForTesting;
 import android.support.v7.preference.ListPreference;
@@ -80,7 +82,7 @@
         final BluetoothCodecConfig codecConfig = mBluetoothA2dpConfigStore.createCodecConfig();
         synchronized (mBluetoothA2dpConfigStore) {
             if (mBluetoothA2dp != null) {
-                setCodecConfigPreference(codecConfig);
+                setCodecConfigPreference(null, codecConfig);    // Use current active device
             }
         }
         // Because the setting is not persisted into permanent storage, we cannot call update state
@@ -99,13 +101,13 @@
 
     @Override
     public void updateState(Preference preference) {
-        if (getCodecConfig() == null || mPreference == null) {
+        if (getCodecConfig(null) == null || mPreference == null) { // Use current active device
             return;
         }
 
         BluetoothCodecConfig codecConfig;
         synchronized (mBluetoothA2dpConfigStore) {
-            codecConfig = getCodecConfig();
+            codecConfig = getCodecConfig(null);         // Use current active device
         }
 
         final int index = getCurrentA2dpSettingIndex(codecConfig);
@@ -183,16 +185,19 @@
     protected abstract int getDefaultIndex();
 
     @VisibleForTesting
-    void setCodecConfigPreference(BluetoothCodecConfig config) {
-        mBluetoothA2dp.setCodecConfigPreference(config);
+    void setCodecConfigPreference(BluetoothDevice device,
+                                  BluetoothCodecConfig config) {
+        mBluetoothA2dp.setCodecConfigPreference(device, config);
     }
 
     @VisibleForTesting
-    BluetoothCodecConfig getCodecConfig() {
-        if (mBluetoothA2dp == null || mBluetoothA2dp.getCodecStatus() == null) {
-            return null;
+    BluetoothCodecConfig getCodecConfig(BluetoothDevice device) {
+        if (mBluetoothA2dp != null) {
+            BluetoothCodecStatus codecStatus = mBluetoothA2dp.getCodecStatus(device);
+            if (codecStatus != null) {
+                return codecStatus.getCodecConfig();
+            }
         }
-
-        return mBluetoothA2dp.getCodecStatus().getCodecConfig();
+        return null;
     }
 }
diff --git a/src/com/android/settings/development/BluetoothAudioCodecPreferenceController.java b/src/com/android/settings/development/BluetoothAudioCodecPreferenceController.java
index 2163a70..b5c40a3 100644
--- a/src/com/android/settings/development/BluetoothAudioCodecPreferenceController.java
+++ b/src/com/android/settings/development/BluetoothAudioCodecPreferenceController.java
@@ -109,14 +109,14 @@
             case 6:
                 synchronized (mBluetoothA2dpConfigStore) {
                     if (mBluetoothA2dp != null) {
-                        mBluetoothA2dp.enableOptionalCodecs();
+                        mBluetoothA2dp.enableOptionalCodecs(null); // Use current active device
                     }
                 }
                 return;
             case 7:
                 synchronized (mBluetoothA2dpConfigStore) {
                     if (mBluetoothA2dp != null) {
-                        mBluetoothA2dp.disableOptionalCodecs();
+                        mBluetoothA2dp.disableOptionalCodecs(null); // Use current active device
                     }
                 }
                 return;
diff --git a/src/com/android/settings/fuelgauge/BatteryInfo.java b/src/com/android/settings/fuelgauge/BatteryInfo.java
index c4c795b..6384130 100644
--- a/src/com/android/settings/fuelgauge/BatteryInfo.java
+++ b/src/com/android/settings/fuelgauge/BatteryInfo.java
@@ -171,18 +171,20 @@
                 if (discharging && provider != null
                         && provider.isEnhancedBatteryPredictionEnabled(context)) {
                     Estimate estimate = provider.getEnhancedBatteryPrediction(context);
-                    BatteryUtils.logRuntime(LOG_TAG, "time for enhanced BatteryInfo", startTime);
-                    return BatteryInfo.getBatteryInfo(context, batteryBroadcast, stats,
-                            elapsedRealtimeUs, shortString,
-                            BatteryUtils.convertMsToUs(estimate.estimateMillis),
-                            estimate.isBasedOnUsage);
-                } else {
-                    long prediction = discharging
-                            ? stats.computeBatteryTimeRemaining(elapsedRealtimeUs) : 0;
-                    BatteryUtils.logRuntime(LOG_TAG, "time for regular BatteryInfo", startTime);
-                    return BatteryInfo.getBatteryInfo(context, batteryBroadcast, stats,
-                            elapsedRealtimeUs, shortString, prediction, false);
+                    if(estimate != null) {
+                        BatteryUtils
+                                .logRuntime(LOG_TAG, "time for enhanced BatteryInfo", startTime);
+                        return BatteryInfo.getBatteryInfo(context, batteryBroadcast, stats,
+                                elapsedRealtimeUs, shortString,
+                                BatteryUtils.convertMsToUs(estimate.estimateMillis),
+                                estimate.isBasedOnUsage);
+                    }
                 }
+                long prediction = discharging
+                        ? stats.computeBatteryTimeRemaining(elapsedRealtimeUs) : 0;
+                BatteryUtils.logRuntime(LOG_TAG, "time for regular BatteryInfo", startTime);
+                return BatteryInfo.getBatteryInfo(context, batteryBroadcast, stats,
+                        elapsedRealtimeUs, shortString, prediction, false);
             }
 
             @Override
diff --git a/src/com/android/settings/fuelgauge/DebugEstimatesLoader.java b/src/com/android/settings/fuelgauge/DebugEstimatesLoader.java
index a080e2b..e58ccd3 100644
--- a/src/com/android/settings/fuelgauge/DebugEstimatesLoader.java
+++ b/src/com/android/settings/fuelgauge/DebugEstimatesLoader.java
@@ -55,6 +55,9 @@
                 stats, elapsedRealtimeUs, false);
 
         Estimate estimate = powerUsageFeatureProvider.getEnhancedBatteryPrediction(context);
+        if (estimate == null) {
+            estimate = new Estimate(0, false);
+        }
         BatteryInfo newInfo = BatteryInfo.getBatteryInfo(getContext(), batteryBroadcast, stats,
                 elapsedRealtimeUs, false,
                 BatteryUtils.convertMsToUs(estimate.estimateMillis),
diff --git a/src/com/android/settings/location/LocationEnabler.java b/src/com/android/settings/location/LocationEnabler.java
index 28ee213..30ecf2e 100644
--- a/src/com/android/settings/location/LocationEnabler.java
+++ b/src/com/android/settings/location/LocationEnabler.java
@@ -123,7 +123,8 @@
             }
             return;
         }
-        updateLocationEnabled(mContext, enabled, UserHandle.myUserId());
+        updateLocationEnabled(mContext, enabled, UserHandle.myUserId(),
+                Settings.Secure.LOCATION_CHANGER_SYSTEM_SETTINGS);
         refreshLocationMode();
     }
 
@@ -142,7 +143,8 @@
             return;
         }
 
-        updateLocationMode(mContext, currentMode, mode, ActivityManager.getCurrentUser());
+        updateLocationMode(mContext, currentMode, mode, ActivityManager.getCurrentUser(),
+                Settings.Secure.LOCATION_CHANGER_SYSTEM_SETTINGS);
         refreshLocationMode();
     }
 
diff --git a/src/com/android/settings/location/LocationMode.java b/src/com/android/settings/location/LocationMode.java
deleted file mode 100644
index 5931f9e..0000000
--- a/src/com/android/settings/location/LocationMode.java
+++ /dev/null
@@ -1,108 +0,0 @@
-/*
- * Copyright (C) 2013 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.location;
-
-import android.content.Context;
-import android.provider.SearchIndexableResource;
-
-import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
-import com.android.settings.R;
-import com.android.settings.dashboard.DashboardFragment;
-import com.android.settings.search.BaseSearchIndexProvider;
-import com.android.settings.search.Indexable;
-import com.android.settingslib.core.AbstractPreferenceController;
-import com.android.settingslib.core.lifecycle.Lifecycle;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-
-/**
- * A page with 3 radio buttons to choose the location mode.
- *
- * There are 3 location modes when location access is enabled:
- *
- * High accuracy: use both GPS and network location.
- *
- * Battery saving: use network location only to reduce the power consumption.
- *
- * Sensors only: use GPS location only.
- */
-public class LocationMode extends DashboardFragment {
-
-    private static final String TAG = "LocationMode";
-
-    @Override
-    public int getMetricsCategory() {
-        return MetricsEvent.LOCATION_MODE;
-    }
-
-    @Override
-    protected int getPreferenceScreenResId() {
-        return R.xml.location_mode;
-    }
-
-    @Override
-    protected String getLogTag() {
-        return TAG;
-    }
-
-    @Override
-    protected List<AbstractPreferenceController> getPreferenceControllers(Context context) {
-        return buildPreferenceControllers(context, getLifecycle());
-    }
-
-    @Override
-    public int getHelpResource() {
-        return R.string.help_url_location_access;
-    }
-
-    private static List<AbstractPreferenceController> buildPreferenceControllers(
-            Context context, Lifecycle lifecycle) {
-        final List<AbstractPreferenceController> controllers = new ArrayList<>();
-        controllers.add(new LocationModeHighAccuracyPreferenceController(context, lifecycle));
-        controllers.add(
-                new LocationModeBatterySavingPreferenceController(context, lifecycle));
-        controllers.add(new LocationModeSensorsOnlyPreferenceController(context, lifecycle));
-        return controllers;
-    }
-
-    /**
-     * For Search.
-     */
-    public static final Indexable.SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
-            new BaseSearchIndexProvider() {
-                @Override
-                public List<SearchIndexableResource> getXmlResourcesToIndex(
-                        Context context, boolean enabled) {
-                    final SearchIndexableResource sir = new SearchIndexableResource(context);
-                    sir.xmlResId = R.xml.location_mode;
-                    return Arrays.asList(sir);
-                }
-
-                @Override
-                protected boolean isPageSearchEnabled(Context context) {
-                    return context.getResources().getBoolean(R.bool.config_location_mode_available);
-                }
-
-                @Override
-                public List<AbstractPreferenceController> getPreferenceControllers(Context
-                        context) {
-                    return buildPreferenceControllers(context, null /* lifecycle */);
-                }
-            };
-}
diff --git a/src/com/android/settings/location/LocationModeBatterySavingPreferenceController.java b/src/com/android/settings/location/LocationModeBatterySavingPreferenceController.java
deleted file mode 100644
index 70c7013..0000000
--- a/src/com/android/settings/location/LocationModeBatterySavingPreferenceController.java
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the
- * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the specific language governing
- * permissions and limitations under the License.
- */
-package com.android.settings.location;
-
-import android.content.Context;
-import android.provider.Settings;
-
-import com.android.settingslib.core.lifecycle.Lifecycle;
-
-public class LocationModeBatterySavingPreferenceController
-        extends LocationModeRadioButtonPreferenceController {
-
-    private static final String KEY_BATTERY_SAVING = "battery_saving";
-
-    public LocationModeBatterySavingPreferenceController(Context context,
-            Lifecycle lifecycle) {
-        super(context, lifecycle);
-    }
-
-    @Override
-    public String getPreferenceKey() {
-        return KEY_BATTERY_SAVING;
-    }
-
-    @Override
-    protected int getLocationMode() {
-        return Settings.Secure.LOCATION_MODE_BATTERY_SAVING;
-    }
-}
diff --git a/src/com/android/settings/location/LocationModeHighAccuracyPreferenceController.java b/src/com/android/settings/location/LocationModeHighAccuracyPreferenceController.java
deleted file mode 100644
index bd2d07e..0000000
--- a/src/com/android/settings/location/LocationModeHighAccuracyPreferenceController.java
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the
- * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the specific language governing
- * permissions and limitations under the License.
- */
-package com.android.settings.location;
-
-import android.content.Context;
-import android.provider.Settings;
-
-import com.android.settingslib.core.lifecycle.Lifecycle;
-
-public class LocationModeHighAccuracyPreferenceController
-        extends LocationModeRadioButtonPreferenceController {
-
-    private static final String KEY_HIGH_ACCURACY = "high_accuracy";
-
-    public LocationModeHighAccuracyPreferenceController(Context context,
-            Lifecycle lifecycle) {
-        super(context, lifecycle);
-    }
-
-    @Override
-    public String getPreferenceKey() {
-        return KEY_HIGH_ACCURACY;
-    }
-
-    @Override
-    protected int getLocationMode() {
-        return Settings.Secure.LOCATION_MODE_HIGH_ACCURACY;
-    }
-}
diff --git a/src/com/android/settings/location/LocationModePreferenceController.java b/src/com/android/settings/location/LocationModePreferenceController.java
deleted file mode 100644
index 265a9df..0000000
--- a/src/com/android/settings/location/LocationModePreferenceController.java
+++ /dev/null
@@ -1,76 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the
- * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the specific language governing
- * permissions and limitations under the License.
- */
-package com.android.settings.location;
-
-import android.content.Context;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-
-import com.android.settings.R;
-import com.android.settings.SettingsActivity;
-import com.android.settingslib.core.lifecycle.Lifecycle;
-
-public class LocationModePreferenceController extends LocationBasePreferenceController {
-
-    /** Key for preference screen "Mode" */
-    private static final String KEY_LOCATION_MODE = "location_mode";
-
-    private final LocationSettings mParentFragment;
-    private Preference mPreference;
-
-    public LocationModePreferenceController(Context context, LocationSettings parent,
-            Lifecycle lifecycle) {
-        super(context, lifecycle);
-        mParentFragment = parent;
-    }
-
-    @Override
-    public String getPreferenceKey() {
-        return KEY_LOCATION_MODE;
-    }
-
-    @Override
-    public boolean isAvailable() {
-        return mContext.getResources().getBoolean(R.bool.config_location_mode_available);
-    }
-
-    @Override
-    public void displayPreference(PreferenceScreen screen) {
-        super.displayPreference(screen);
-        mPreference = screen.findPreference(KEY_LOCATION_MODE);
-    }
-
-    @Override
-    public boolean handlePreferenceTreeClick(Preference preference) {
-        if (KEY_LOCATION_MODE.equals(preference.getKey())) {
-            final SettingsActivity activity = (SettingsActivity) mParentFragment.getActivity();
-            activity.startPreferencePanel(mParentFragment, LocationMode.class.getName(), null,
-                    R.string.location_mode_screen_title, null, mParentFragment, 0);
-            return true;
-        }
-        return false;
-    }
-
-    @Override
-    public void onLocationModeChanged(int mode, boolean restricted) {
-        final int modeDescription = LocationPreferenceController.getLocationString(mode);
-        if (modeDescription != 0) {
-            mPreference.setSummary(modeDescription);
-        }
-        // Restricted user can't change the location mode, so disable the master switch. But in some
-        // corner cases, the location might still be enabled. In such case the master switch should
-        // be disabled but checked.
-        mPreference.setEnabled(mLocationEnabler.isEnabled(mode));
-    }
-}
diff --git a/src/com/android/settings/location/LocationModeRadioButtonPreferenceController.java b/src/com/android/settings/location/LocationModeRadioButtonPreferenceController.java
deleted file mode 100644
index bdf7c8f..0000000
--- a/src/com/android/settings/location/LocationModeRadioButtonPreferenceController.java
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the
- * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the specific language governing
- * permissions and limitations under the License.
- */
-package com.android.settings.location;
-
-import android.content.Context;
-import android.support.v7.preference.PreferenceScreen;
-
-import com.android.settings.widget.RadioButtonPreference;
-import com.android.settingslib.core.lifecycle.Lifecycle;
-
-public abstract class LocationModeRadioButtonPreferenceController
-        extends LocationBasePreferenceController
-        implements RadioButtonPreference.OnClickListener {
-
-    protected RadioButtonPreference mPreference;
-
-    public LocationModeRadioButtonPreferenceController(Context context, Lifecycle lifecycle) {
-        super(context, lifecycle);
-    }
-
-    @Override
-    public void displayPreference(PreferenceScreen screen) {
-        super.displayPreference(screen);
-        mPreference = (RadioButtonPreference) screen.findPreference(getPreferenceKey());
-        mPreference.setOnClickListener(this);
-    }
-
-    @Override
-    public void onRadioButtonClicked(RadioButtonPreference emiter) {
-        mLocationEnabler.setLocationMode(getLocationMode());
-    }
-
-    @Override
-    public void onLocationModeChanged(int mode, boolean restricted) {
-        mPreference.setChecked(mode == getLocationMode());
-        mPreference.setEnabled(mLocationEnabler.isEnabled(mode));
-    }
-
-    /** Gets the location mode that this controller monitors. */
-    protected abstract int getLocationMode();
-
-}
diff --git a/src/com/android/settings/location/LocationModeSensorsOnlyPreferenceController.java b/src/com/android/settings/location/LocationModeSensorsOnlyPreferenceController.java
deleted file mode 100644
index b79dbf2..0000000
--- a/src/com/android/settings/location/LocationModeSensorsOnlyPreferenceController.java
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software distributed under the
- * License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- * KIND, either express or implied. See the License for the specific language governing
- * permissions and limitations under the License.
- */
-package com.android.settings.location;
-
-import android.content.Context;
-import android.provider.Settings;
-
-import com.android.settingslib.core.lifecycle.Lifecycle;
-
-public class LocationModeSensorsOnlyPreferenceController
-        extends LocationModeRadioButtonPreferenceController {
-
-    private static final String KEY_SENSORS_ONLY = "sensors_only";
-
-    public LocationModeSensorsOnlyPreferenceController(Context context,
-            Lifecycle lifecycle) {
-        super(context, lifecycle);
-    }
-
-    @Override
-    public String getPreferenceKey() {
-        return KEY_SENSORS_ONLY;
-    }
-
-    @Override
-    protected int getLocationMode() {
-        return Settings.Secure.LOCATION_MODE_SENSORS_ONLY;
-    }
-}
diff --git a/src/com/android/settings/location/LocationPreferenceController.java b/src/com/android/settings/location/LocationPreferenceController.java
index 9b68848..5760ab7 100644
--- a/src/com/android/settings/location/LocationPreferenceController.java
+++ b/src/com/android/settings/location/LocationPreferenceController.java
@@ -105,26 +105,11 @@
         int mode = Secure.getInt(context.getContentResolver(),
                 Secure.LOCATION_MODE, Secure.LOCATION_MODE_OFF);
         if (mode != Secure.LOCATION_MODE_OFF) {
-            return context.getString(R.string.location_on_summary,
-                    context.getString(getLocationString(mode)));
+            return context.getString(R.string.location_on_summary);
         }
         return context.getString(R.string.location_off_summary);
     }
 
-    public static int getLocationString(int mode) {
-        switch (mode) {
-            case Secure.LOCATION_MODE_OFF:
-                return R.string.location_mode_location_off_title;
-            case Secure.LOCATION_MODE_SENSORS_ONLY:
-                return R.string.location_mode_sensors_only_title;
-            case Secure.LOCATION_MODE_BATTERY_SAVING:
-                return R.string.location_mode_battery_saving_title;
-            case Secure.LOCATION_MODE_HIGH_ACCURACY:
-                return R.string.location_mode_high_accuracy_title;
-        }
-        return 0;
-    }
-
     @Override
     public ResultPayload getResultPayload() {
         final Intent intent = DatabaseIndexingUtils.buildSearchResultPageIntent(mContext,
diff --git a/src/com/android/settings/location/LocationSettings.java b/src/com/android/settings/location/LocationSettings.java
index 85c049d..3cc5b84 100644
--- a/src/com/android/settings/location/LocationSettings.java
+++ b/src/com/android/settings/location/LocationSettings.java
@@ -127,7 +127,6 @@
     private static List<AbstractPreferenceController> buildPreferenceControllers(
             Context context, LocationSettings fragment, Lifecycle lifecycle) {
         final List<AbstractPreferenceController> controllers = new ArrayList<>();
-        controllers.add(new LocationModePreferenceController(context, fragment, lifecycle));
         controllers.add(new AppLocationPermissionPreferenceController(context));
         controllers.add(new LocationForWorkPreferenceController(context, lifecycle));
         controllers.add(
diff --git a/src/com/android/settings/notification/LockScreenNotificationPreferenceController.java b/src/com/android/settings/notification/LockScreenNotificationPreferenceController.java
index d56febb..bf821db 100644
--- a/src/com/android/settings/notification/LockScreenNotificationPreferenceController.java
+++ b/src/com/android/settings/notification/LockScreenNotificationPreferenceController.java
@@ -34,6 +34,7 @@
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;
+import com.android.settings.RestrictedListPreference;
 import com.android.settings.Utils;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settings.overlay.FeatureFactory;
@@ -55,8 +56,8 @@
     private final String mWorkSettingCategoryKey;
     private final String mWorkSettingKey;
 
-    private RestrictedDropDownPreference mLockscreen;
-    private RestrictedDropDownPreference mLockscreenProfile;
+    private RestrictedListPreference mLockscreen;
+    private RestrictedListPreference mLockscreenProfile;
 
     private final int mProfileChallengeUserId;
     private final boolean mSecure;
@@ -92,13 +93,13 @@
     public void displayPreference(PreferenceScreen screen) {
         super.displayPreference(screen);
         mLockscreen =
-                (RestrictedDropDownPreference) screen.findPreference(mSettingKey);
+                (RestrictedListPreference) screen.findPreference(mSettingKey);
         if (mLockscreen == null) {
             Log.i(TAG, "Preference not found: " + mSettingKey);
             return;
         }
         if (mProfileChallengeUserId != UserHandle.USER_NULL) {
-            mLockscreenProfile = (RestrictedDropDownPreference) screen.findPreference(
+            mLockscreenProfile = (RestrictedListPreference) screen.findPreference(
                     mWorkSettingKey);
         } else {
             setVisible(screen, mWorkSettingKey, false /* visible */);
@@ -180,11 +181,6 @@
         entries.add(mContext.getString(R.string.lock_screen_notifications_summary_disable_profile));
         values.add(Integer.toString(R.string.lock_screen_notifications_summary_disable_profile));
 
-        mLockscreenProfile.setOnPreClickListener(
-                (Preference p) -> Utils.startQuietModeDialogIfNecessary(mContext,
-                        UserManager.get(mContext), mProfileChallengeUserId)
-        );
-
         mLockscreenProfile.setEntries(entries.toArray(new CharSequence[entries.size()]));
         mLockscreenProfile.setEntryValues(values.toArray(new CharSequence[values.size()]));
         updateLockscreenNotificationsForProfile();
@@ -224,36 +220,40 @@
     public boolean onPreferenceChange(Preference preference, Object newValue) {
         final String key = preference.getKey();
         if (TextUtils.equals(mWorkSettingKey, key)) {
-                final int val = Integer.parseInt((String) newValue);
-                if (val == mLockscreenSelectedValueProfile) {
-                    return false;
-                }
-                final boolean enabled =
-                        val != R.string.lock_screen_notifications_summary_disable_profile;
-                final boolean show =
-                        val == R.string.lock_screen_notifications_summary_show_profile;
-                Settings.Secure.putIntForUser(mContext.getContentResolver(),
-                        Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS,
-                        show ? 1 : 0, mProfileChallengeUserId);
-                Settings.Secure.putIntForUser(mContext.getContentResolver(),
-                        Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS,
-                        enabled ? 1 : 0, mProfileChallengeUserId);
-                mLockscreenSelectedValueProfile = val;
-                return true;
+            if (Utils.startQuietModeDialogIfNecessary(mContext, UserManager.get(mContext),
+                    mProfileChallengeUserId)) {
+                return false;
+            }
+            final int val = Integer.parseInt((String) newValue);
+            if (val == mLockscreenSelectedValueProfile) {
+                return false;
+            }
+            final boolean enabled =
+                    val != R.string.lock_screen_notifications_summary_disable_profile;
+            final boolean show =
+                    val == R.string.lock_screen_notifications_summary_show_profile;
+            Settings.Secure.putIntForUser(mContext.getContentResolver(),
+                    Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS,
+                    show ? 1 : 0, mProfileChallengeUserId);
+            Settings.Secure.putIntForUser(mContext.getContentResolver(),
+                    Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS,
+                    enabled ? 1 : 0, mProfileChallengeUserId);
+            mLockscreenSelectedValueProfile = val;
+            return true;
         } else if (TextUtils.equals(mSettingKey, key)) {
-                final int val = Integer.parseInt((String) newValue);
-                if (val == mLockscreenSelectedValue) {
-                    return false;
-                }
-                final boolean enabled =
-                        val != R.string.lock_screen_notifications_summary_disable;
-                final boolean show = val == R.string.lock_screen_notifications_summary_show;
-                Settings.Secure.putInt(mContext.getContentResolver(),
-                        Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, show ? 1 : 0);
-                Settings.Secure.putInt(mContext.getContentResolver(),
-                        Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS, enabled ? 1 : 0);
-                mLockscreenSelectedValue = val;
-                return true;
+            final int val = Integer.parseInt((String) newValue);
+            if (val == mLockscreenSelectedValue) {
+                return false;
+            }
+            final boolean enabled =
+                    val != R.string.lock_screen_notifications_summary_disable;
+            final boolean show = val == R.string.lock_screen_notifications_summary_show;
+            Settings.Secure.putInt(mContext.getContentResolver(),
+                    Settings.Secure.LOCK_SCREEN_ALLOW_PRIVATE_NOTIFICATIONS, show ? 1 : 0);
+            Settings.Secure.putInt(mContext.getContentResolver(),
+                    Settings.Secure.LOCK_SCREEN_SHOW_NOTIFICATIONS, enabled ? 1 : 0);
+            mLockscreenSelectedValue = val;
+            return true;
         }
         return false;
     }
@@ -264,8 +264,8 @@
                 RestrictedLockUtils.checkIfKeyguardFeaturesDisabled(
                         mContext, keyguardNotificationFeatures, UserHandle.myUserId());
         if (admin != null && mLockscreen != null) {
-            RestrictedDropDownPreference.RestrictedItem item =
-                    new RestrictedDropDownPreference.RestrictedItem(entry, entryValue, admin);
+            RestrictedListPreference.RestrictedItem item =
+                    new RestrictedListPreference.RestrictedItem(entry, entryValue, admin);
             mLockscreen.addRestrictedItem(item);
         }
         if (mProfileChallengeUserId != UserHandle.USER_NULL) {
@@ -273,8 +273,8 @@
                     RestrictedLockUtils.checkIfKeyguardFeaturesDisabled(
                             mContext, keyguardNotificationFeatures, mProfileChallengeUserId);
             if (profileAdmin != null && mLockscreenProfile != null) {
-                RestrictedDropDownPreference.RestrictedItem item =
-                        new RestrictedDropDownPreference.RestrictedItem(
+                RestrictedListPreference.RestrictedItem item =
+                        new RestrictedListPreference.RestrictedItem(
                                 entry, entryValue, profileAdmin);
                 mLockscreenProfile.addRestrictedItem(item);
             }
diff --git a/src/com/android/settings/notification/RecentNotifyingAppsPreferenceController.java b/src/com/android/settings/notification/RecentNotifyingAppsPreferenceController.java
index ef34a9b..dbffc55 100644
--- a/src/com/android/settings/notification/RecentNotifyingAppsPreferenceController.java
+++ b/src/com/android/settings/notification/RecentNotifyingAppsPreferenceController.java
@@ -283,7 +283,7 @@
             // Not visible on launcher -> likely not a user visible app, skip if non-instant.
             final ApplicationsState.AppEntry appEntry =
                     mApplicationsState.getEntry(pkgName, mUserId);
-            if (!AppUtils.isInstant(appEntry.info)) {
+            if (appEntry == null || appEntry.info == null || !AppUtils.isInstant(appEntry.info)) {
                 Log.d(TAG, "Not a user visible or instant app, skipping " + pkgName);
                 return false;
             }
diff --git a/src/com/android/settings/notification/RestrictedDropDownPreference.java b/src/com/android/settings/notification/RestrictedDropDownPreference.java
deleted file mode 100644
index d19cf8d..0000000
--- a/src/com/android/settings/notification/RestrictedDropDownPreference.java
+++ /dev/null
@@ -1,262 +0,0 @@
-/*
- * Copyright (C) 2016 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.settings.notification;
-
-import android.content.Context;
-import android.graphics.drawable.Drawable;
-import android.support.v7.preference.DropDownPreference;
-import android.support.v7.preference.PreferenceViewHolder;
-import android.util.AttributeSet;
-import android.view.View;
-import android.view.ViewGroup;
-import android.widget.AdapterView;
-import android.widget.AdapterView.OnItemSelectedListener;
-import android.widget.ArrayAdapter;
-import android.widget.Spinner;
-import android.widget.TextView;
-
-import com.android.settings.R;
-import com.android.settingslib.RestrictedLockUtils;
-import com.android.settingslib.RestrictedLockUtils.EnforcedAdmin;
-import com.android.settingslib.RestrictedPreferenceHelper;
-
-import java.util.ArrayList;
-import java.util.List;
-
-public class RestrictedDropDownPreference extends DropDownPreference {
-    private final RestrictedPreferenceHelper mHelper;
-    private ReselectionSpinner mSpinner;
-    private List<RestrictedItem> mRestrictedItems = new ArrayList<>();
-    private boolean mUserClicked = false;
-    private OnPreferenceClickListener mPreClickListener;
-
-    public RestrictedDropDownPreference(Context context, AttributeSet attrs) {
-        super(context, attrs);
-        setLayoutResource(R.layout.restricted_preference_dropdown);
-        setWidgetLayoutResource(R.layout.restricted_icon);
-        mHelper = new RestrictedPreferenceHelper(context, this, attrs);
-    }
-
-    @Override
-    protected ArrayAdapter createAdapter() {
-        return new RestrictedArrayItemAdapter(getContext());
-    }
-
-    @Override
-    public void setValue(String value) {
-        if (getRestrictedItemForEntryValue(value) != null) {
-            return;
-        }
-        super.setValue(value);
-    }
-
-    @Override
-    public void onBindViewHolder(PreferenceViewHolder view) {
-        mSpinner = (ReselectionSpinner) view.itemView.findViewById(R.id.spinner);
-        mSpinner.setPreference(this);
-        super.onBindViewHolder(view);
-        mHelper.onBindViewHolder(view);
-        mSpinner.setOnItemSelectedListener(mItemSelectedListener);
-        final View restrictedIcon = view.findViewById(R.id.restricted_icon);
-        if (restrictedIcon != null) {
-            restrictedIcon.setVisibility(isDisabledByAdmin() ? View.VISIBLE : View.GONE);
-        }
-    }
-
-    private boolean isRestrictedForEntry(CharSequence entry) {
-        if (entry == null) {
-            return false;
-        }
-        for (RestrictedItem item : mRestrictedItems) {
-            if (entry.equals(item.entry)) {
-                return true;
-            }
-        }
-        return false;
-    }
-
-    private RestrictedItem getRestrictedItemForEntryValue(CharSequence entryValue) {
-        if (entryValue == null) {
-            return null;
-        }
-        for (RestrictedItem item : mRestrictedItems) {
-            if (entryValue.equals(item.entryValue)) {
-                return item;
-            }
-        }
-        return null;
-    }
-
-    private RestrictedItem getRestrictedItemForPosition(int position) {
-        if (position < 0 || position >= getEntryValues().length) {
-            return null;
-        }
-        CharSequence entryValue = getEntryValues()[position];
-        return getRestrictedItemForEntryValue(entryValue);
-    }
-
-    public void addRestrictedItem(RestrictedItem item) {
-        mRestrictedItems.add(item);
-    }
-
-    public void clearRestrictedItems() {
-        mRestrictedItems.clear();
-    }
-
-    @Override
-    public void performClick() {
-        if (mPreClickListener != null && mPreClickListener.onPreferenceClick(this)) {
-            return;
-        }
-        if (!mHelper.performClick()) {
-            mUserClicked = true;
-            super.performClick();
-        }
-    }
-
-    @Override
-    public void setEnabled(boolean enabled) {
-        if (enabled && isDisabledByAdmin()) {
-            mHelper.setDisabledByAdmin(null);
-            return;
-        }
-        super.setEnabled(enabled);
-    }
-
-    public void setDisabledByAdmin(EnforcedAdmin admin) {
-        if (mHelper.setDisabledByAdmin(admin)) {
-            notifyChanged();
-        }
-    }
-
-    /**
-     * Similar to {@link #setOnPreferenceClickListener(OnPreferenceClickListener)}, but can
-     * preempt {@link #onClick()}.
-     */
-    public void setOnPreClickListener(OnPreferenceClickListener l) {
-        mPreClickListener = l;
-    }
-
-    public boolean isDisabledByAdmin() {
-        return mHelper.isDisabledByAdmin();
-    }
-
-    private void setUserClicked(boolean userClicked) {
-        mUserClicked = userClicked;
-    }
-
-    private boolean isUserClicked() {
-        return mUserClicked;
-    }
-
-    private final OnItemSelectedListener mItemSelectedListener = new OnItemSelectedListener() {
-        @Override
-        public void onItemSelected(AdapterView<?> parent, View v, int position, long id) {
-            if (mUserClicked) {
-                mUserClicked = false;
-            } else {
-                return;
-            }
-            if (position >= 0 && position < getEntryValues().length) {
-                String value = getEntryValues()[position].toString();
-                RestrictedItem item = getRestrictedItemForEntryValue(value);
-                if (item != null) {
-                    RestrictedLockUtils.sendShowAdminSupportDetailsIntent(getContext(),
-                            item.enforcedAdmin);
-                    mSpinner.setSelection(findIndexOfValue(getValue()));
-                } else if (!value.equals(getValue()) && callChangeListener(value)) {
-                    setValue(value);
-                }
-            }
-        }
-
-        @Override
-        public void onNothingSelected(AdapterView<?> parent) {
-            // noop
-        }
-    };
-
-    /**
-     * Extension of {@link ArrayAdapter} which updates the state of the dropdown item
-     * depending on whether it is restricted by the admin.
-     */
-    private class RestrictedArrayItemAdapter extends ArrayAdapter<String> {
-        private static final int TEXT_RES_ID = android.R.id.text1;
-        public RestrictedArrayItemAdapter(Context context) {
-            super(context, R.layout.spinner_dropdown_restricted_item, TEXT_RES_ID);
-        }
-
-        @Override
-        public View getDropDownView(int position, View convertView, ViewGroup parent) {
-            View rootView = super.getView(position, convertView, parent);
-            CharSequence entry = getItem(position);
-            boolean isEntryRestricted = isRestrictedForEntry(entry);
-            TextView text = (TextView) rootView.findViewById(TEXT_RES_ID);
-            if (text != null) {
-                text.setEnabled(!isEntryRestricted);
-            }
-            View restrictedIcon = rootView.findViewById(R.id.restricted_icon);
-            if (restrictedIcon != null) {
-                restrictedIcon.setVisibility(isEntryRestricted ? View.VISIBLE : View.GONE);
-            }
-            return rootView;
-        }
-    }
-
-    /**
-     * Extension of {@link Spinner} which triggers the admin support dialog on user clicking a
-     * restricted item even if was already selected.
-     */
-    public static class ReselectionSpinner extends Spinner {
-        private RestrictedDropDownPreference pref;
-
-        public ReselectionSpinner(Context context, AttributeSet attrs) {
-            super(context, attrs);
-        }
-
-        public void setPreference(RestrictedDropDownPreference pref) {
-            this.pref = pref;
-        }
-
-        @Override
-        public void setSelection(int position) {
-            int previousSelectedPosition = getSelectedItemPosition();
-            super.setSelection(position);
-            if (position == previousSelectedPosition && pref.isUserClicked()) {
-                pref.setUserClicked(false);
-                RestrictedItem item = pref.getRestrictedItemForPosition(position);
-                if (item != null) {
-                    RestrictedLockUtils.sendShowAdminSupportDetailsIntent(getContext(),
-                            item.enforcedAdmin);
-                }
-            }
-        }
-    }
-
-    public static class RestrictedItem {
-        public final CharSequence entry;
-        public final CharSequence entryValue;
-        public final EnforcedAdmin enforcedAdmin;
-
-        public RestrictedItem(CharSequence entry, CharSequence entryValue,
-                EnforcedAdmin enforcedAdmin) {
-            this.entry = entry;
-            this.entryValue = entryValue;
-            this.enforcedAdmin = enforcedAdmin;
-        }
-    }
-}
\ No newline at end of file
diff --git a/src/com/android/settings/notification/VisibilityPreferenceController.java b/src/com/android/settings/notification/VisibilityPreferenceController.java
index 76caac0..62ca183 100644
--- a/src/com/android/settings/notification/VisibilityPreferenceController.java
+++ b/src/com/android/settings/notification/VisibilityPreferenceController.java
@@ -29,6 +29,7 @@
 
 import com.android.internal.widget.LockPatternUtils;
 import com.android.settings.R;
+import com.android.settings.RestrictedListPreference;
 import com.android.settings.core.PreferenceControllerMixin;
 import com.android.settingslib.RestrictedLockUtils;
 
@@ -65,7 +66,7 @@
 
     public void updateState(Preference preference) {
         if (mChannel != null && mAppRow != null) {
-            RestrictedDropDownPreference pref = (RestrictedDropDownPreference) preference;
+            RestrictedListPreference pref = (RestrictedListPreference) preference;
             ArrayList<CharSequence> entries = new ArrayList<>();
             ArrayList<CharSequence> values = new ArrayList<>();
 
@@ -120,14 +121,14 @@
         return true;
     }
 
-    private void setRestrictedIfNotificationFeaturesDisabled(RestrictedDropDownPreference pref,
+    private void setRestrictedIfNotificationFeaturesDisabled(RestrictedListPreference pref,
             CharSequence entry, CharSequence entryValue, int keyguardNotificationFeatures) {
         RestrictedLockUtils.EnforcedAdmin admin =
                 RestrictedLockUtils.checkIfKeyguardFeaturesDisabled(
                         mContext, keyguardNotificationFeatures, mAppRow.userId);
         if (admin != null) {
-            RestrictedDropDownPreference.RestrictedItem item =
-                    new RestrictedDropDownPreference.RestrictedItem(entry, entryValue, admin);
+            RestrictedListPreference.RestrictedItem item =
+                    new RestrictedListPreference.RestrictedItem(entry, entryValue, admin);
             pref.addRestrictedItem(item);
         }
     }
diff --git a/src/com/android/settings/search/SearchIndexableResourcesImpl.java b/src/com/android/settings/search/SearchIndexableResourcesImpl.java
index 034cbd0..75f64d3 100644
--- a/src/com/android/settings/search/SearchIndexableResourcesImpl.java
+++ b/src/com/android/settings/search/SearchIndexableResourcesImpl.java
@@ -62,7 +62,6 @@
 import com.android.settings.inputmethod.PhysicalKeyboardFragment;
 import com.android.settings.inputmethod.VirtualKeyboardFragment;
 import com.android.settings.language.LanguageAndInputSettings;
-import com.android.settings.location.LocationMode;
 import com.android.settings.location.LocationSettings;
 import com.android.settings.location.ScanningSettings;
 import com.android.settings.network.NetworkDashboardFragment;
@@ -132,7 +131,6 @@
         addIndex(GestureSettings.class);
         addIndex(LanguageAndInputSettings.class);
         addIndex(LocationSettings.class);
-        addIndex(LocationMode.class);
         addIndex(ScanningSettings.class);
         addIndex(SecuritySettingsV2.class);
         addIndex(ScreenLockSettings.class);
diff --git a/tests/robotests/src/com/android/settings/MasterClearTest.java b/tests/robotests/src/com/android/settings/MasterClearTest.java
index 9bf3310..776025f 100644
--- a/tests/robotests/src/com/android/settings/MasterClearTest.java
+++ b/tests/robotests/src/com/android/settings/MasterClearTest.java
@@ -66,7 +66,8 @@
 )
 public class MasterClearTest {
     private static final String TEST_ACCOUNT_TYPE = "android.test.account.type";
-    private static final String TEST_CONFIRMATION_PACKAGE = "android.test.confirmation.pkg";
+    private static final String TEST_CONFIRMATION_PACKAGE = "android.test.conf.pkg";
+    private static final String TEST_CONFIRMATION_CLASS = "android.test.conf.pkg.ConfActivity";
     private static final String TEST_ACCOUNT_NAME = "test@example.com";
 
     @Mock
@@ -223,6 +224,7 @@
         when(mMasterClear.getActivity()).thenReturn(mMockActivity);
         when(mMockActivity.getString(R.string.account_type)).thenReturn(TEST_ACCOUNT_TYPE);
         when(mMockActivity.getString(R.string.account_confirmation_package)).thenReturn(TEST_CONFIRMATION_PACKAGE);
+        when(mMockActivity.getString(R.string.account_confirmation_class)).thenReturn(TEST_CONFIRMATION_CLASS);
 
         Account[] accounts = new Account[0];
         when(mMockActivity.getSystemService(Context.ACCOUNT_SERVICE)).thenReturn(mAccountManager);
@@ -235,6 +237,7 @@
         when(mMasterClear.getActivity()).thenReturn(mMockActivity);
         when(mMockActivity.getString(R.string.account_type)).thenReturn(TEST_ACCOUNT_TYPE);
         when(mMockActivity.getString(R.string.account_confirmation_package)).thenReturn(TEST_CONFIRMATION_PACKAGE);
+        when(mMockActivity.getString(R.string.account_confirmation_class)).thenReturn(TEST_CONFIRMATION_CLASS);
         Account[] accounts = new Account[] { new Account(TEST_ACCOUNT_NAME, TEST_ACCOUNT_TYPE) };
         when(mMockActivity.getSystemService(Context.ACCOUNT_SERVICE)).thenReturn(mAccountManager);
         when(mAccountManager.getAccountsByType(TEST_ACCOUNT_TYPE)).thenReturn(accounts);
@@ -250,6 +253,7 @@
         // Only try to show account confirmation if the appropriate resource overlays are available.
         when(mMockActivity.getString(R.string.account_type)).thenReturn(TEST_ACCOUNT_TYPE);
         when(mMockActivity.getString(R.string.account_confirmation_package)).thenReturn(TEST_CONFIRMATION_PACKAGE);
+        when(mMockActivity.getString(R.string.account_confirmation_class)).thenReturn(TEST_CONFIRMATION_CLASS);
         // Add accounts to trigger the search for a resolving intent.
         Account[] accounts = new Account[] { new Account(TEST_ACCOUNT_NAME, TEST_ACCOUNT_TYPE) };
         when(mMockActivity.getSystemService(Context.ACCOUNT_SERVICE)).thenReturn(mAccountManager);
@@ -265,7 +269,7 @@
         when(mPackageManager.resolveActivity(any(), eq(0))).thenReturn(resolveInfo);
 
         // Finally mock out the startActivityForResultCall
-        doNothing().when(mMockActivity).startActivityForResult(any(), eq(MasterClear.CREDENTIAL_CONFIRM_REQUEST));
+        doNothing().when(mMasterClear).startActivityForResult(any(), eq(MasterClear.CREDENTIAL_CONFIRM_REQUEST));
 
         assertThat(mMasterClear.tryShowAccountConfirmation()).isTrue();
     }
diff --git a/tests/robotests/src/com/android/settings/applications/RecentAppsPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/applications/RecentAppsPreferenceControllerTest.java
index bd57211..ed97fe7 100644
--- a/tests/robotests/src/com/android/settings/applications/RecentAppsPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/applications/RecentAppsPreferenceControllerTest.java
@@ -248,6 +248,33 @@
     }
 
     @Test
+    public void display_showRecentsWithNullAppEntryOrInfo() {
+        final List<UsageStats> stats = new ArrayList<>();
+        final UsageStats stat1 = new UsageStats();
+        final UsageStats stat2 = new UsageStats();
+        stat1.mLastTimeUsed = System.currentTimeMillis();
+        stat1.mPackageName = "pkg.class";
+        stats.add(stat1);
+
+        stat2.mLastTimeUsed = System.currentTimeMillis();
+        stat2.mPackageName = "pkg.class2";
+        stats.add(stat2);
+
+        // app1 has AppEntry with null info, app2 has null AppEntry.
+        mAppEntry.info = null;
+        when(mAppState.getEntry(stat1.mPackageName, UserHandle.myUserId()))
+                .thenReturn(mAppEntry);
+        when(mAppState.getEntry(stat2.mPackageName, UserHandle.myUserId()))
+                .thenReturn(null);
+
+        when(mUsageStatsManager.queryUsageStats(anyInt(), anyLong(), anyLong()))
+                .thenReturn(stats);
+
+        // We should not crash here.
+        mController.displayPreference(mScreen);
+    }
+
+    @Test
     public void display_hasRecentButNoneDisplayable_showAppInfo() {
         final List<UsageStats> stats = new ArrayList<>();
         final UsageStats stat1 = new UsageStats();
diff --git a/tests/robotests/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceControllerTest.java
index a7ae938..15df916 100644
--- a/tests/robotests/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/development/AbstractBluetoothA2dpPreferenceControllerTest.java
@@ -74,8 +74,8 @@
         mLifecycle = new Lifecycle(mLifecycleOwner);
         mController = spy(new AbstractBluetoothA2dpPreferenceControllerImpl(mContext, mLifecycle,
                 mBluetoothA2dpConfigStore));
-        doReturn(mBluetoothCodecConfig).when(mController).getCodecConfig();
-        doNothing().when(mController).setCodecConfigPreference(any());
+        doReturn(mBluetoothCodecConfig).when(mController).getCodecConfig(null);
+        doNothing().when(mController).setCodecConfigPreference(any(), any());
         when(mBluetoothA2dpConfigStore.createCodecConfig()).thenReturn(mBluetoothCodecConfig);
         when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
         mController.displayPreference(mScreen);
@@ -87,7 +87,7 @@
 
         mController.onPreferenceChange(mPreference, "" /* new value */);
 
-        verify(mController).setCodecConfigPreference(any());
+        verify(mController).setCodecConfigPreference(any(), any());
     }
 
     @Test
@@ -96,7 +96,7 @@
 
         mController.onPreferenceChange(mPreference, "" /* new value */);
 
-        verify(mController, never()).setCodecConfigPreference(any());
+        verify(mController, never()).setCodecConfigPreference(any(), any());
     }
 
     @Test
diff --git a/tests/robotests/src/com/android/settings/location/LocationEnablerTest.java b/tests/robotests/src/com/android/settings/location/LocationEnablerTest.java
index 8cc92cd..1bae729 100644
--- a/tests/robotests/src/com/android/settings/location/LocationEnablerTest.java
+++ b/tests/robotests/src/com/android/settings/location/LocationEnablerTest.java
@@ -179,7 +179,7 @@
     }
 
     @Test
-    public void setLocationMode_notRestricted_shouldBroadcastUpdate() {
+    public void setLocationMode_notRestricted_shouldBroadcastUpdateAndSetChanger() {
         when(mUserManager.hasUserRestriction(anyString())).thenReturn(false);
         Settings.Secure.putInt(mContext.getContentResolver(),
                 Settings.Secure.LOCATION_MODE, Settings.Secure.LOCATION_MODE_BATTERY_SAVING);
@@ -189,6 +189,9 @@
                 argThat(actionMatches(LocationManager.MODE_CHANGING_ACTION)),
                 eq(UserHandle.of(ActivityManager.getCurrentUser())),
                 eq(WRITE_SECURE_SETTINGS));
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.LOCATION_CHANGER, Settings.Secure.LOCATION_CHANGER_UNKNOWN))
+                .isEqualTo(Settings.Secure.LOCATION_CHANGER_SYSTEM_SETTINGS);
     }
 
     @Test
@@ -202,7 +205,7 @@
     }
 
     @Test
-    public void setLocationEnabled_notRestricted_shouldBroadcastUpdate() {
+    public void setLocationEnabled_notRestricted_shouldBroadcastUpdateAndSetChanger() {
         when(mUserManager.hasUserRestriction(anyString())).thenReturn(false);
         Settings.Secure.putInt(mContext.getContentResolver(),
             Settings.Secure.LOCATION_MODE, Settings.Secure.LOCATION_MODE_OFF);
@@ -212,6 +215,9 @@
             argThat(actionMatches(LocationManager.MODE_CHANGING_ACTION)),
             eq(UserHandle.of(ActivityManager.getCurrentUser())),
             eq(WRITE_SECURE_SETTINGS));
+        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.LOCATION_CHANGER, Settings.Secure.LOCATION_CHANGER_UNKNOWN))
+                .isEqualTo(Settings.Secure.LOCATION_CHANGER_SYSTEM_SETTINGS);
     }
 
     @Test
diff --git a/tests/robotests/src/com/android/settings/location/LocationModeBatterySavingPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/location/LocationModeBatterySavingPreferenceControllerTest.java
deleted file mode 100644
index 41e9f1e..0000000
--- a/tests/robotests/src/com/android/settings/location/LocationModeBatterySavingPreferenceControllerTest.java
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.settings.location;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import static org.mockito.Mockito.mock;
-
-import android.arch.lifecycle.LifecycleOwner;
-import android.content.Context;
-import android.provider.Settings;
-
-import com.android.settings.TestConfig;
-import com.android.settings.testutils.SettingsRobolectricTestRunner;
-import com.android.settingslib.core.lifecycle.Lifecycle;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.robolectric.annotation.Config;
-
-@RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
-public class LocationModeBatterySavingPreferenceControllerTest {
-
-    private LifecycleOwner mLifecycleOwner;
-    private Lifecycle mLifecycle;
-
-    @Before
-    public void setUp() {
-        mLifecycleOwner = () -> mLifecycle;
-        mLifecycle = new Lifecycle(mLifecycleOwner);
-    }
-
-    @Test
-    public void getLocationMode_shouldReturnModeBatterySaving() {
-        final LocationModeBatterySavingPreferenceController controller =
-                new LocationModeBatterySavingPreferenceController(mock(Context.class), mLifecycle);
-
-        assertThat(controller.getLocationMode())
-                .isEqualTo(Settings.Secure.LOCATION_MODE_BATTERY_SAVING);
-    }
-
-}
diff --git a/tests/robotests/src/com/android/settings/location/LocationModeHighAccuracyPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/location/LocationModeHighAccuracyPreferenceControllerTest.java
deleted file mode 100644
index 9c8bac6..0000000
--- a/tests/robotests/src/com/android/settings/location/LocationModeHighAccuracyPreferenceControllerTest.java
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.settings.location;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import static org.mockito.Mockito.mock;
-
-import android.arch.lifecycle.LifecycleOwner;
-import android.content.Context;
-import android.provider.Settings;
-
-import com.android.settings.TestConfig;
-import com.android.settings.testutils.SettingsRobolectricTestRunner;
-import com.android.settingslib.core.lifecycle.Lifecycle;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.robolectric.annotation.Config;
-
-@RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
-public class LocationModeHighAccuracyPreferenceControllerTest {
-
-    private LifecycleOwner mLifecycleOwner;
-    private Lifecycle mLifecycle;
-
-    @Before
-    public void setUp() {
-        mLifecycleOwner = () -> mLifecycle;
-        mLifecycle = new Lifecycle(mLifecycleOwner);
-    }
-
-    @Test
-    public void getLocationMode_shouldReturnModeHighAccuracy() {
-        final LocationModeHighAccuracyPreferenceController controller =
-                new LocationModeHighAccuracyPreferenceController(mock(Context.class), mLifecycle);
-
-        assertThat(controller.getLocationMode())
-                .isEqualTo(Settings.Secure.LOCATION_MODE_HIGH_ACCURACY);
-    }
-
-}
diff --git a/tests/robotests/src/com/android/settings/location/LocationModePreferenceControllerTest.java b/tests/robotests/src/com/android/settings/location/LocationModePreferenceControllerTest.java
deleted file mode 100644
index a28cb20..0000000
--- a/tests/robotests/src/com/android/settings/location/LocationModePreferenceControllerTest.java
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.settings.location;
-
-import static junit.framework.Assert.assertFalse;
-import static junit.framework.Assert.assertTrue;
-import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyInt;
-import static org.mockito.ArgumentMatchers.eq;
-import static org.mockito.Mockito.spy;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-import android.arch.lifecycle.LifecycleOwner;
-import android.content.Context;
-import android.os.UserManager;
-import android.provider.Settings;
-import android.support.v7.preference.Preference;
-import android.support.v7.preference.PreferenceScreen;
-
-import com.android.settings.R;
-import com.android.settings.SettingsActivity;
-import com.android.settings.TestConfig;
-import com.android.settings.testutils.SettingsRobolectricTestRunner;
-import com.android.settingslib.core.lifecycle.Lifecycle;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-import org.robolectric.RuntimeEnvironment;
-import org.robolectric.annotation.Config;
-
-@RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
-public class LocationModePreferenceControllerTest {
-
-    @Mock
-    private LocationSettings mFragment;
-    @Mock
-    private SettingsActivity mActivity;
-    @Mock
-    private Preference mPreference;
-    @Mock
-    private PreferenceScreen mScreen;
-    @Mock
-    private UserManager mUserManager;
-
-    private Context mContext;
-    private LocationModePreferenceController mController;
-    private LifecycleOwner mLifecycleOwner;
-    private Lifecycle mLifecycle;
-
-    @Before
-    public void setUp() {
-        MockitoAnnotations.initMocks(this);
-        mContext = spy(RuntimeEnvironment.application);
-        when(mContext.getSystemService(Context.USER_SERVICE)).thenReturn(mUserManager);
-        mLifecycleOwner = () -> mLifecycle;
-        mLifecycle = new Lifecycle(mLifecycleOwner);
-        mController = new LocationModePreferenceController(mContext, mFragment, mLifecycle);
-        when(mFragment.getActivity()).thenReturn(mActivity);
-        when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
-    }
-
-    @Test
-    @Config(qualifiers = "mcc999")
-    public void locationModePreference_ifXmlSetToFalse_shouldNotBeAvailable() {
-        assertFalse(mController.isAvailable());
-    }
-
-    @Test
-    public void locationModePreference_ifXmlSetToTrue_shouldBeAvailable() {
-        assertTrue(mController.isAvailable());
-    }
-
-    @Test
-    public void onLocationModeChanged_locationOff_shouldDisablePreference() {
-        when(mUserManager.hasUserRestriction(any())).thenReturn(false);
-        mController.displayPreference(mScreen);
-
-        mController.onLocationModeChanged(Settings.Secure.LOCATION_MODE_OFF, false);
-
-        verify(mPreference).setEnabled(false);
-    }
-
-    @Test
-    public void onLocationModeChanged_restricted_shouldDisablePreference() {
-        when(mUserManager.hasUserRestriction(any())).thenReturn(true);
-        mController.displayPreference(mScreen);
-
-        mController.onLocationModeChanged(Settings.Secure.LOCATION_MODE_BATTERY_SAVING, false);
-
-        verify(mPreference).setEnabled(false);
-    }
-
-    @Test
-    public void onLocationModeChanged_locationOnNotRestricted_shouldEnablePreference() {
-        when(mUserManager.hasUserRestriction(any())).thenReturn(false);
-        mController.displayPreference(mScreen);
-
-        mController.onLocationModeChanged(Settings.Secure.LOCATION_MODE_BATTERY_SAVING, false);
-
-        verify(mPreference).setEnabled(true);
-    }
-
-    @Test
-    public void onLocationModeChanged_shouldUpdateSummary() {
-        mController.displayPreference(mScreen);
-
-        mController.onLocationModeChanged(Settings.Secure.LOCATION_MODE_BATTERY_SAVING, false);
-
-        verify(mPreference).setSummary(anyInt());
-    }
-
-    @Test
-    public void handlePreferenceTreeClick_shouldStartLocationModeFragment() {
-        final Preference preference = new Preference(mContext);
-        preference.setKey(mController.getPreferenceKey());
-
-        mController.handlePreferenceTreeClick(preference);
-
-        verify(mActivity).startPreferencePanel(any(), eq(LocationMode.class.getName()), any(),
-                eq(R.string.location_mode_screen_title), any(), any(), anyInt());
-    }
-
-}
diff --git a/tests/robotests/src/com/android/settings/location/LocationModeRadioButtonPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/location/LocationModeRadioButtonPreferenceControllerTest.java
deleted file mode 100644
index 2766788..0000000
--- a/tests/robotests/src/com/android/settings/location/LocationModeRadioButtonPreferenceControllerTest.java
+++ /dev/null
@@ -1,140 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.settings.location;
-
-import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Mockito.verify;
-import static org.mockito.Mockito.when;
-
-import android.arch.lifecycle.LifecycleOwner;
-import android.content.Context;
-import android.provider.Settings;
-import android.support.v7.preference.PreferenceScreen;
-import com.android.settings.TestConfig;
-import com.android.settings.testutils.SettingsRobolectricTestRunner;
-import com.android.settings.testutils.shadow.ShadowSecureSettings;
-import com.android.settings.widget.RadioButtonPreference;
-import com.android.settingslib.core.lifecycle.Lifecycle;
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.Mock;
-import org.mockito.MockitoAnnotations;
-import org.robolectric.RuntimeEnvironment;
-import org.robolectric.annotation.Config;
-
-@RunWith(SettingsRobolectricTestRunner.class)
-@Config(
-        manifest = TestConfig.MANIFEST_PATH,
-        sdk = TestConfig.SDK_VERSION,
-        shadows = {ShadowSecureSettings.class})
-public class LocationModeRadioButtonPreferenceControllerTest {
-
-    @Mock
-    private RadioButtonPreference mPreference;
-    @Mock
-    private PreferenceScreen mScreen;
-
-    private Context mContext;
-    private LocationModeRadioButtonPreferenceController mController;
-    private LifecycleOwner mLifecycleOwner;
-    private Lifecycle mLifecycle;
-
-    @Before
-    public void setUp() {
-        MockitoAnnotations.initMocks(this);
-        mContext = RuntimeEnvironment.application;
-        mLifecycleOwner = () -> mLifecycle;
-        mLifecycle = new Lifecycle(mLifecycleOwner);
-        mController = new LocationModeRadioButtonPreferenceControllerTestable(mContext, mLifecycle);
-        when(mScreen.findPreference(mController.getPreferenceKey())).thenReturn(mPreference);
-    }
-
-    @Test
-    public void displayPreference_shouldAddClickListener() {
-        mController.displayPreference(mScreen);
-
-        verify(mPreference).setOnClickListener(mController);
-    }
-
-    @Test
-    public void onRadioButtonClicked_shouldSetLocationModeToOwnMode() {
-        mController.displayPreference(mScreen);
-        Settings.Secure.putInt(mContext.getContentResolver(),
-                Settings.Secure.LOCATION_MODE, Settings.Secure.LOCATION_MODE_OFF);
-
-        mController.onRadioButtonClicked(mPreference);
-
-        assertThat(Settings.Secure.getInt(mContext.getContentResolver(),
-                Settings.Secure.LOCATION_MODE, Settings.Secure.LOCATION_MODE_OFF))
-                .isEqualTo(mController.getLocationMode());
-    }
-
-    @Test
-    public void onLocationModeChanged_otherModeSelected_shouldUncheckPreference() {
-        mController.displayPreference(mScreen);
-
-        mController.onLocationModeChanged(Settings.Secure.LOCATION_MODE_BATTERY_SAVING, false);
-
-        verify(mPreference).setChecked(false);
-    }
-
-    @Test
-    public void onLocationModeChanged_ownModeSelected_shouldCheckPreference() {
-        mController.displayPreference(mScreen);
-
-        mController.onLocationModeChanged(mController.getLocationMode(), false);
-
-        verify(mPreference).setChecked(true);
-    }
-
-    @Test
-    public void onLocationModeChanged_locationOff_shouldDisablePreference() {
-        mController.displayPreference(mScreen);
-
-        mController.onLocationModeChanged(Settings.Secure.LOCATION_MODE_OFF, false);
-
-        verify(mPreference).setEnabled(false);
-    }
-
-    @Test
-    public void onLocationModeChanged_locationOn_shouldDisablePreference() {
-        mController.displayPreference(mScreen);
-
-        mController.onLocationModeChanged(Settings.Secure.LOCATION_MODE_BATTERY_SAVING, false);
-
-        verify(mPreference).setEnabled(true);
-    }
-
-    private class LocationModeRadioButtonPreferenceControllerTestable
-            extends LocationModeRadioButtonPreferenceController {
-
-        public LocationModeRadioButtonPreferenceControllerTestable(Context context,
-                Lifecycle lifecycle) {
-            super(context, lifecycle);
-        }
-
-        @Override
-        public String getPreferenceKey() {
-            return "test";
-        }
-
-        @Override
-        protected int getLocationMode() {
-            return Settings.Secure.LOCATION_MODE_HIGH_ACCURACY;
-        }
-    }
-}
diff --git a/tests/robotests/src/com/android/settings/location/LocationModeSensorsOnlyPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/location/LocationModeSensorsOnlyPreferenceControllerTest.java
deleted file mode 100644
index 4ed75d2..0000000
--- a/tests/robotests/src/com/android/settings/location/LocationModeSensorsOnlyPreferenceControllerTest.java
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.settings.location;
-
-import static com.google.common.truth.Truth.assertThat;
-
-import static org.mockito.Mockito.mock;
-
-import android.arch.lifecycle.LifecycleOwner;
-import android.content.Context;
-import android.provider.Settings;
-
-import com.android.settings.TestConfig;
-import com.android.settings.testutils.SettingsRobolectricTestRunner;
-import com.android.settingslib.core.lifecycle.Lifecycle;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.robolectric.annotation.Config;
-
-@RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
-public class LocationModeSensorsOnlyPreferenceControllerTest {
-
-    private LifecycleOwner mLifecycleOwner;
-    private Lifecycle mLifecycle;
-
-    @Before
-    public void setUp() {
-        mLifecycleOwner = () -> mLifecycle;
-        mLifecycle = new Lifecycle(mLifecycleOwner);
-    }
-
-    @Test
-    public void getLocationMode_shouldReturnModeSensorsOnly() {
-        final LocationModeSensorsOnlyPreferenceController controller =
-                new LocationModeSensorsOnlyPreferenceController(mock(Context.class), mLifecycle);
-
-        assertThat(controller.getLocationMode())
-                .isEqualTo(Settings.Secure.LOCATION_MODE_SENSORS_ONLY);
-    }
-
-}
diff --git a/tests/robotests/src/com/android/settings/location/LocationModeTest.java b/tests/robotests/src/com/android/settings/location/LocationModeTest.java
deleted file mode 100644
index 0e7a9d7..0000000
--- a/tests/robotests/src/com/android/settings/location/LocationModeTest.java
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License
- */
-package com.android.settings.location;
-
-import static com.google.common.truth.Truth.assertThat;
-import static org.mockito.Mockito.spy;
-
-import android.content.Context;
-import android.provider.SearchIndexableResource;
-
-import com.android.settings.TestConfig;
-import com.android.settings.testutils.SettingsRobolectricTestRunner;
-import com.android.settings.testutils.XmlTestUtils;
-
-import org.junit.Before;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.mockito.MockitoAnnotations;
-import org.robolectric.RuntimeEnvironment;
-import org.robolectric.annotation.Config;
-
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
-@RunWith(SettingsRobolectricTestRunner.class)
-@Config(manifest = TestConfig.MANIFEST_PATH, sdk = TestConfig.SDK_VERSION)
-public class LocationModeTest {
-
-    private Context mContext;
-    private LocationMode mFragment;
-
-    @Before
-    public void setUp() {
-        MockitoAnnotations.initMocks(this);
-        mContext = spy(RuntimeEnvironment.application);
-        mFragment = new LocationMode();
-    }
-
-    @Test
-    public void testSearchIndexProvider_shouldIndexResource() {
-        final List<SearchIndexableResource> indexRes =
-                mFragment.SEARCH_INDEX_DATA_PROVIDER.getXmlResourcesToIndex(mContext,
-                        true /* enabled */);
-
-        assertThat(indexRes).isNotNull();
-        assertThat(indexRes.get(0).xmlResId).isEqualTo(mFragment.getPreferenceScreenResId());
-    }
-
-    @Test
-    @Config(qualifiers = "mcc999")
-    public void testSearchIndexProvider_ifPageDisabled_shouldNotIndexResource() {
-        final List<String> niks = LocationMode.SEARCH_INDEX_DATA_PROVIDER
-                .getNonIndexableKeys(mContext);
-        final int xmlId = mFragment.getPreferenceScreenResId();
-
-        final List<String> keys = XmlTestUtils.getKeysFromPreferenceXml(mContext, xmlId);
-        assertThat(niks).containsAllIn(keys);
-    }
-}
diff --git a/tests/robotests/src/com/android/settings/location/LocationPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/location/LocationPreferenceControllerTest.java
index 2c92b44..e4aa075 100644
--- a/tests/robotests/src/com/android/settings/location/LocationPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/location/LocationPreferenceControllerTest.java
@@ -109,45 +109,30 @@
     }
 
     @Test
-    public void getLocationSummary_sensorsOnly_shouldSetSummarySensorsOnly() {
+    public void getLocationSummary_sensorsOnly_shouldSetSummaryOn() {
         Secure.putInt(mContext.getContentResolver(),
                 Secure.LOCATION_MODE, Secure.LOCATION_MODE_SENSORS_ONLY);
 
         assertThat(mController.getLocationSummary(mContext)).isEqualTo(
-                mContext.getString(R.string.location_on_summary,
-                        mContext.getString(R.string.location_mode_sensors_only_title)));
+                mContext.getString(R.string.location_on_summary));
     }
 
     @Test
-    public void getLocationSummary_highAccuracy_shouldSetSummarHighAccuracy() {
+    public void getLocationSummary_highAccuracy_shouldSetSummaryOn() {
         Secure.putInt(mContext.getContentResolver(),
                 Secure.LOCATION_MODE, Secure.LOCATION_MODE_HIGH_ACCURACY);
 
         assertThat(mController.getLocationSummary(mContext)).isEqualTo(
-                mContext.getString(R.string.location_on_summary,
-                        mContext.getString(R.string.location_mode_high_accuracy_title)));
+            mContext.getString(R.string.location_on_summary));
     }
 
     @Test
-    public void getLocationSummary_batterySaving_shouldSetSummaryBatterySaving() {
+    public void getLocationSummary_batterySaving_shouldSetSummaryOn() {
         Secure.putInt(mContext.getContentResolver(),
                 Secure.LOCATION_MODE, Secure.LOCATION_MODE_BATTERY_SAVING);
 
         assertThat(mController.getLocationSummary(mContext)).isEqualTo(
-                mContext.getString(R.string.location_on_summary,
-                        mContext.getString(R.string.location_mode_battery_saving_title)));
-    }
-
-    @Test
-    public void getLocationString_shouldCorrectString() {
-        assertThat(mController.getLocationString(Secure.LOCATION_MODE_OFF)).isEqualTo(
-                R.string.location_mode_location_off_title);
-        assertThat(mController.getLocationString(Secure.LOCATION_MODE_SENSORS_ONLY)).isEqualTo(
-                R.string.location_mode_sensors_only_title);
-        assertThat(mController.getLocationString(Secure.LOCATION_MODE_BATTERY_SAVING)).isEqualTo(
-                R.string.location_mode_battery_saving_title);
-        assertThat(mController.getLocationString(Secure.LOCATION_MODE_HIGH_ACCURACY)).isEqualTo(
-                R.string.location_mode_high_accuracy_title);
+            mContext.getString(R.string.location_on_summary));
     }
 
     @Test
diff --git a/tests/robotests/src/com/android/settings/notification/VisibilityPreferenceControllerTest.java b/tests/robotests/src/com/android/settings/notification/VisibilityPreferenceControllerTest.java
index c18372c..25dba80 100644
--- a/tests/robotests/src/com/android/settings/notification/VisibilityPreferenceControllerTest.java
+++ b/tests/robotests/src/com/android/settings/notification/VisibilityPreferenceControllerTest.java
@@ -47,6 +47,7 @@
 import android.support.v7.preference.PreferenceScreen;
 
 import com.android.internal.widget.LockPatternUtils;
+import com.android.settings.RestrictedListPreference;
 import com.android.settings.TestConfig;
 import com.android.settings.testutils.SettingsRobolectricTestRunner;
 import com.android.settings.testutils.shadow.ShadowRestrictionUtils;
@@ -115,8 +116,8 @@
     @Test
     public void testNoCrashIfNoOnResume() throws Exception {
         mController.isAvailable();
-        mController.updateState(mock(RestrictedDropDownPreference.class));
-        mController.onPreferenceChange(mock(RestrictedDropDownPreference.class), true);
+        mController.updateState(mock(RestrictedListPreference.class));
+        mController.onPreferenceChange(mock(RestrictedListPreference.class), true);
     }
 
     @Test
@@ -165,7 +166,7 @@
         mController.onResume(new NotificationBackend.AppRow(), channel, null, mock(
                 RestrictedLockUtils.EnforcedAdmin.class));
 
-        RestrictedDropDownPreference pref = mock(RestrictedDropDownPreference.class);
+        RestrictedListPreference pref = mock(RestrictedListPreference.class);
         mController.updateState(pref);
 
         verify(pref, times(2)).addRestrictedItem(any());
@@ -187,7 +188,7 @@
         mController.onResume(new NotificationBackend.AppRow(), channel, null, mock(
                 RestrictedLockUtils.EnforcedAdmin.class));
 
-        RestrictedDropDownPreference pref = mock(RestrictedDropDownPreference.class);
+        RestrictedListPreference pref = mock(RestrictedListPreference.class);
         mController.updateState(pref);
 
         verify(pref, times(1)).addRestrictedItem(any());
@@ -202,7 +203,7 @@
         NotificationChannel channel = mock(NotificationChannel.class);
         mController.onResume(appRow, channel, null, null);
 
-        RestrictedDropDownPreference pref = mock(RestrictedDropDownPreference.class);
+        RestrictedListPreference pref = mock(RestrictedListPreference.class);
         mController.updateState(pref);
 
         ArgumentCaptor<CharSequence[]> argumentCaptor =
@@ -221,7 +222,7 @@
         NotificationChannel channel = mock(NotificationChannel.class);
         mController.onResume(appRow, channel, null, null);
 
-        RestrictedDropDownPreference pref = mock(RestrictedDropDownPreference.class);
+        RestrictedListPreference pref = mock(RestrictedListPreference.class);
         mController.updateState(pref);
 
         ArgumentCaptor<CharSequence[]> argumentCaptor =
@@ -237,7 +238,7 @@
         NotificationChannel channel = mock(NotificationChannel.class);
         mController.onResume(appRow, channel, null, null);
 
-        RestrictedDropDownPreference pref = mock(RestrictedDropDownPreference.class);
+        RestrictedListPreference pref = mock(RestrictedListPreference.class);
         mController.updateState(pref);
 
         ArgumentCaptor<CharSequence[]> argumentCaptor =
@@ -268,7 +269,7 @@
         when(channel.getLockscreenVisibility()).thenReturn(VISIBILITY_NO_OVERRIDE);
         mController.onResume(appRow, channel, null, null);
 
-        RestrictedDropDownPreference pref = mock(RestrictedDropDownPreference.class);
+        RestrictedListPreference pref = mock(RestrictedListPreference.class);
         mController.updateState(pref);
 
         ArgumentCaptor<String> argumentCaptor = ArgumentCaptor.forClass(String.class);
@@ -287,7 +288,7 @@
         when(channel.getLockscreenVisibility()).thenReturn(Notification.VISIBILITY_SECRET);
         mController.onResume(appRow, channel, null, null);
 
-        RestrictedDropDownPreference pref = mock(RestrictedDropDownPreference.class);
+        RestrictedListPreference pref = mock(RestrictedListPreference.class);
         mController.updateState(pref);
 
         ArgumentCaptor<String> argumentCaptor = ArgumentCaptor.forClass(String.class);
@@ -306,7 +307,7 @@
         channel.setLockscreenVisibility(Notification.VISIBILITY_SECRET);
         mController.onResume(appRow, channel, null, null);
 
-        RestrictedDropDownPreference pref = mock(RestrictedDropDownPreference.class);
+        RestrictedListPreference pref = mock(RestrictedListPreference.class);
         mController.updateState(pref);
 
         mController.onPreferenceChange(pref, String.valueOf(Notification.VISIBILITY_PRIVATE));
@@ -325,7 +326,7 @@
         channel.setLockscreenVisibility(VISIBILITY_NO_OVERRIDE);
         mController.onResume(appRow, channel, null, null);
 
-        RestrictedDropDownPreference pref = mock(RestrictedDropDownPreference.class);
+        RestrictedListPreference pref = mock(RestrictedListPreference.class);
         mController.updateState(pref);
 
         mController.onPreferenceChange(pref, String.valueOf(Notification.VISIBILITY_SECRET));
diff --git a/tests/unit/src/com/android/settings/core/UniquePreferenceTest.java b/tests/unit/src/com/android/settings/core/UniquePreferenceTest.java
index 8fe2358..3daecce 100644
--- a/tests/unit/src/com/android/settings/core/UniquePreferenceTest.java
+++ b/tests/unit/src/com/android/settings/core/UniquePreferenceTest.java
@@ -74,7 +74,24 @@
             "toggle_bluetooth",
             "toggle_nfc",
             "android_beam_settings",
-            "sms_mirroring"
+            "sms_mirroring",
+            // Dup keys from About Phone v2 experiment.
+            "ims_reg_state",
+            "bt_address",
+            "device_model",
+            "firmware_version",
+            "regulatory_info",
+            "manual",
+            "legal_container",
+            "device_feedback",
+            "fcc_equipment_id",
+            "sim_status",
+            "build_number",
+            "phone_number",
+            "imei_info",
+            "wifi_ip_address",
+            "wifi_mac_address",
+            "safety_info"
     );
 
     private Context mContext;