Merge "DO NOT MERGE SoundPool: add lock for findSample access from SoundPoolThread" into lmp-dev am: 0c4d693722 am: ba49fda63a  -s ours am: bb1809ace7 am: adfda28b42 am: 569d39f94a  -s ours
am: 975bb62996

* commit '975bb62996d194c43ceb5f4a34f58870a1004e59':
  DO NOT MERGE SoundPool: add lock for findSample access from SoundPoolThread