Add VR desktop activity structure

remoting/android/java/res/layout/cardboard_desktop.xml

Index: remoting/android/java/res/layout/cardboard_desktop.xml
diff --git a/content/shell/android/shell_apk/res/layout/content_shell_activity.xml b/remoting/android/java/res/layout/cardboard_desktop.xml
similarity index 66%
copy from content/shell/android/shell_apk/res/layout/content_shell_activity.xml
copy to remoting/android/java/res/layout/cardboard_desktop.xml
index c62e66ec5dc4c82b36ee5bece9d72661b013a6bd..def62d7abe0d037b09ea04a44a52b3162df34910 100644
--- a/content/shell/android/shell_apk/res/layout/content_shell_activity.xml
+++ b/remoting/android/java/res/layout/cardboard_desktop.xml
@@ -1,14 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 
-<!-- Copyright (c) 2012 The Chromium Authors. All rights reserved.
-
+<!-- Copyright 2015 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.
- -->
+-->
 
 <merge xmlns:android="http://schemas.android.com/apk/res/android">
-    <org.chromium.content_shell.ShellManager
-        android:id="@+id/shell_container"
+    <com.google.vrtoolkit.cardboard.CardboardView
+        android:id="@+id/cardboard_view"
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
 </merge>