am 11bea2e2: Merge "Reduce lock contention, removing unnecessary synchronization." into froyo

Merge commit '11bea2e216800c5612144f76d307da653d565be3' into froyo-plus-aosp

* commit '11bea2e216800c5612144f76d307da653d565be3':
  Reduce lock contention, removing unnecessary synchronization.