am 4dc622c5: Remove the dvmHeapSizeChanged no-op routine.

Merge commit '4dc622c5b4ce48b5f2f0a0f92f316dd557fc950f' into dalvik-dev

* commit '4dc622c5b4ce48b5f2f0a0f92f316dd557fc950f':
  Remove the dvmHeapSizeChanged no-op routine.