Add Widevine developer option to settings

Bug: 301669353
Change-Id: Idcca4cc6ce2e614a79a0ac95eb8c39cf05b91f56

res/xml/development_settings.xml

@@ -619,6 +619,11 @@
             android:title="@string/transcode_settings_title"
             android:fragment="com.android.settings.development.transcode.TranscodeSettingsFragment" />
 
+        <Preference
+            android:key="widevine_settings"
+            android:title="@string/widevine_settings_title"
+            android:fragment="com.android.settings.development.widevine.WidevineSettingsFragment" />
+
     </PreferenceCategory>
 
     <PreferenceCategory

res/xml/widevine_settings.xml

@@ -0,0 +1,29 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2023 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:settings="http://schemas.android.com/apk/res-auto"
+    android:title="@string/widevine_settings_title"
+    settings:searchable="false">
+
+    <SwitchPreference
+        android:key="force_l3_fallback"
+        android:title="@string/force_l3_fallback_title"
+        android:summary="@string/force_l3_fallback_summary"
+        settings:controller="com.android.settings.development.widevine.ForceL3FallbackPreferenceController" />
+</PreferenceScreen>