am ae0aa69f: Merge change 24479 into eclair

Merge commit 'ae0aa69f9c7461dc13cbf91e9abf2bb8c4a96111' into eclair-plus-aosp

* commit 'ae0aa69f9c7461dc13cbf91e9abf2bb8c4a96111':
  Implement a simple peephole optimization framework for ARM.