am 610e50cc: am 62679112: Merge change I3c256cf3 into eclair-mr2

Merge commit '610e50ccd2a342fbc75e3b30a2057dbca8fb92fd'

* commit '610e50ccd2a342fbc75e3b30a2057dbca8fb92fd':
  More SoundPool cleanup. Remove mSoundPoolRef and unused notify callback.