am 28525488: am 9ab05fff: Merge "Fix bug 2565463 Ensure an object cannot appear twice in the  AudioFocus stack.  Enforce parameter check in AudioManager.requestAudioFocus()  Typo correction in AudioService.unregisterMediaButtonEventReceiver()" into froyo

Merge commit '28525488fb5769fb119b01db17dc0ed305f0e7b0' into kraken

* commit '28525488fb5769fb119b01db17dc0ed305f0e7b0':
  Fix bug 2565463 Ensure an object cannot appear twice in the