am 8e1f2f88: Merge "Fix issue #2555171: Switching to app immediately after unmounting..." into froyo

Merge commit '8e1f2f8804a1f63c7a03a3eeced9ffdf6e6c3293' into froyo-plus-aosp

* commit '8e1f2f8804a1f63c7a03a3eeced9ffdf6e6c3293':
  Fix issue #2555171: Switching to app immediately after unmounting...