[Android] A prototype of the interactive media notification.

chrome/android/java/res/values/values.xml

 <?xml version="1.0" encoding="utf-8"?>
 <!-- Copyright 2011 The Chromium Authors. All rights reserved.
      Use of this source code is governed by a BSD-style license that can be
      found in the LICENSE file. -->
 
 <resources xmlns:android="http://schemas.android.com/apk/res/android">
     <!-- InfoBar constants -->
     <item type="id" name="infobar_message" />
     <item type="id" name="infobar_close_button" />
     <item type="id" name="button_primary" />
@@ skipping 32 matching lines @@
     <item type="id" name="menu_id_translate_help" />
     <item type="id" name="menu_id_help_privacy" />
     <item type="id" name="menu_id_import_bookmarks" />
 
     <!-- Menu item IDs for FullscreenActivities -->
     <item type="id" name="menu_id_open_in_chrome" />
 
     <!-- Cast notification -->
     <item type="id" name="remote_notification" />
 
+    <!-- Media playback notification -->
+    <item type="id" name="media_playback_notification" />
+
     <!-- Sync UI constants -->
     <item type="id" name="passphrase_type_list" />
 
     <!-- Keyboard shortcuts -->
     <item type="id" name="focus_url_bar" />
     <item type="id" name="show_menu" />
 
 </resources>