am 57ce0888: Merge change Id22c0137 into eclair

Merge commit '57ce0888fcb1376b385c3dab5e4262793acaaf16' into eclair-plus-aosp

* commit '57ce0888fcb1376b385c3dab5e4262793acaaf16':
  Throttle low priority RS threads by sleeping once per frame to avoid starving other apps.