am 77ab176a: (-s ours) am 149fc59e: am 1f42a6cc: am c57ad1ed: am 55d1ea47: Merge "DO NOT MERGE - AudioFlinger: Clear record buffers when starting RecordThread" into lmp-dev

* commit '77ab176ae7c9158be47c993bc5d7a54b997a15e9':
  DO NOT MERGE - AudioFlinger: Clear record buffers when starting RecordThread