am 1f42a6cc: am c57ad1ed: am 55d1ea47: Merge "DO NOT MERGE - AudioFlinger: Clear record buffers when starting RecordThread" into lmp-dev

* commit '1f42a6cc1edd96030478a8bc1e05a0ff7710e539':
  DO NOT MERGE - AudioFlinger: Clear record buffers when starting RecordThread