engine configurable: AUDIO_SOURCE_UNPROCESSED aligment with legacy am: c51e05b671 am: 921ba4e6eb
am: 09206c1842

* commit '09206c1842e1faf54f633e0064496f1b89b15479':
  engine configurable: AUDIO_SOURCE_UNPROCESSED aligment with legacy

Change-Id: Idb778011c35f11f526f5eeedb011269a2dfcf78f