am 001e5242: Merge change Icccbd889 into eclair

Merge commit '001e5242c8a801664ea454a2ed6d4fddb600157a' into eclair-plus-aosp

* commit '001e5242c8a801664ea454a2ed6d4fddb600157a':
  Fix broken handling of the BACK key in PopupWindow. Needed by Launcher2.