src/com/facebook/buck/cli/quickstart/android/apps/myapp/AndroidManifest.xml

<?xml version='1.0' encoding='utf-8'?>
<manifest xmlns:android='http://schemas.android.com/apk/res/android'
          package='com.example'
          >

  <application
      android:label='@string/app_name'
      android:hardwareAccelerated='true'>
    <activity android:name='.activity.MyFirstActivity'>
      <intent-filter>
        <action android:name='android.intent.action.MAIN' />
        <category android:name='android.intent.category.LAUNCHER' />
      </intent-filter>
    </activity>
  </application>

</manifest>