File content as of revision 20:6d2af70c92ab:

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  Copyright 2013 Google Inc.

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
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  distributed under the License is distributed on an "AS IS" BASIS,
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<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
             android:layout_height="wrap_content"
             android:layout_width="56dp"
             android:minWidth="56dp">
    <ProgressBar android:layout_width="32dp"
                 android:layout_height="32dp"
                 android:layout_gravity="center"/>
</FrameLayout>