am 220ab887: Merge "Issue 3032913: improve AudioTrack recovery time" into gingerbread

Merge commit '220ab8877b234e6807b7f6d9028ba55d23220301' into gingerbread-plus-aosp

* commit '220ab8877b234e6807b7f6d9028ba55d23220301':
  Issue 3032913: improve AudioTrack recovery time