am 9d5b7aca: Merge change Ic0e3ddf8 into eclair-mr2

Merge commit '9d5b7aca742f44e4b16db66a4a372eb71325470f' into eclair-mr2-plus-aosp

* commit '9d5b7aca742f44e4b16db66a4a372eb71325470f':
  Remove unused Java object reference in native SoundPool code.