am 65b2561c: Merge "Fix issue #2643754: Launcher is caching widget layouts for too long" into froyo

Merge commit '65b2561c3bd74b639df0fead2041c775b7f40000' into froyo-plus-aosp

* commit '65b2561c3bd74b639df0fead2041c775b7f40000':
  Fix issue #2643754: Launcher is caching widget layouts for too long