am 477f9cd5: am 81134796: Fix leak when receiving multiple surface changed messages, typically when exiting a landscape app.

Merge commit '477f9cd577da857347443c35056cb03dea47cf0a' into eclair-mr2-plus-aosp

* commit '477f9cd577da857347443c35056cb03dea47cf0a':
  Fix leak when receiving multiple surface changed messages, typically when exiting a landscape app.