Add toggle for media resumption

Adds a toggle under Settings > Sound > Media to toggle media resumption

Bug: 154039093
Test: manual
Test: atest SettingsProviderTest
Test: make -j40 RunSettingsRoboTests ROBOTEST_FILTER="MediaControls"

Change-Id: I803c57031bc3252cab35c06ea124d1c22a3c3aeb

res/xml/media_controls_settings.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2020 The Android Open Source Project
+  ~
+  ~ Licensed under the Apache License, Version 2.0 (the "License");
+  ~ you may not use this file except in compliance with the License.
+  ~ You may obtain a copy of the License at
+  ~
+  ~      http://www.apache.org/licenses/LICENSE-2.0
+  ~
+  ~ Unless required by applicable law or agreed to in writing, software
+  ~ distributed under the License is distributed on an "AS IS" BASIS,
+  ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+  ~ See the License for the specific language governing permissions and
+  ~ limitations under the License.
+  -->
+
+<PreferenceScreen
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:title="@string/media_controls_title">
+
+    <SwitchPreference
+        android:key="media_controls_resume_switch"
+        android:title="@string/media_controls_summary"
+        android:summary="@string/media_controls_resume_description"
+        app:keywords="@string/keywords_media_controls"
+        app:controller="com.android.settings.sound.MediaControlsPreferenceController"
+        app:allowDividerAbove="true" />
+
+</PreferenceScreen>

res/xml/sound_settings.xml

@@ -110,6 +110,14 @@
         settings:allowDividerAbove="true"
         settings:controller="com.android.settings.notification.zen.ZenModePreferenceController"/>
 
+    <Preference
+        android:key="media_controls_summary"
+        android:title="@string/media_controls_title"
+        android:fragment="com.android.settings.sound.MediaControlsSettings"
+        android:order="-110"
+        settings:controller="com.android.settings.sound.MediaControlsParentPreferenceController"
+        settings:keywords="@string/keywords_media_controls"/>
+
     <Preference
         android:key="gesture_prevent_ringing_sound"
         android:title="@string/gesture_prevent_ringing_sound_title"