am e259bc77: Fix issue #2558391: Package manager problem when not replacing existing system partition app

Merge commit 'e259bc770b3eeb88eb7a03ec0af2522ca9929f58' into froyo-plus-aosp

* commit 'e259bc770b3eeb88eb7a03ec0af2522ca9929f58':
  Fix issue #2558391: Package manager problem when not replacing existing system partition app