Merge "Prevent apps from uninstalling packages that are not installed by them." into nyc-dev am: b4e39f5
am: 979a76e

* commit '979a76e932015da5571c14ae3b14a4ed639d5811':
  Prevent apps from uninstalling packages that are not installed by them.

Change-Id: Ia7315070733bbd3c0085dd9adb8f8feea0900294