am 2ce999fc: am bd240c27: media: add AudioTrack::getMinFrameCount().

Merge commit '2ce999fce785eb34b3a157db5ab5e17d31e2ea33' into gingerbread-plus-aosp

* commit '2ce999fce785eb34b3a157db5ab5e17d31e2ea33':
  media: add AudioTrack::getMinFrameCount().