[Remoting Android] Placeholder for DesktopView

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

 <?xml version="1.0" encoding="utf-8"?>
 
 <!-- Copyright 2014 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.
 -->
 
 <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
-    <org.chromium.chromoting.DesktopView android:id="@+id/desktop_view"
+    <FrameLayout android:id="@+id/desktop_view_placeholder"
         android:layout_width="match_parent"
         android:layout_height="match_parent"/>
     <RelativeLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:fitsSystemWindows="true"
         android:elevation="4dp">
         <android.support.v7.widget.Toolbar
             android:id="@+id/toolbar"
             android:alpha="0.85"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:fitsSystemWindows="true"
             style="@style/ToolbarStyle"/>
         <FrameLayout
             android:id="@+id/resize_detector"
             android:layout_below="@id/toolbar"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
             android:fitsSystemWindows="true"
             android:background="@android:color/transparent">
         </FrameLayout>
     </RelativeLayout>
 </RelativeLayout>