am 10a16006: am 785768a9: Merge change Id443ba45 into eclair

Merge commit '10a1600673c6a7c3b02c3996ba6b46ef884563ad' into eclair-mr2-plus-aosp

* commit '10a1600673c6a7c3b02c3996ba6b46ef884563ad':
  Prevent transparent region from getting out of sync with Surface Flinger