SECURITY FIX: Fix package uids being reused between uninstall and reinstall of different packages.
Policies for older packages were being granted to the newly installed package that got the recyled uid.

Change-Id: I6c74cf6762e8da10e09d5cf5d94e9f826e47f24d
Merge "SECURITY FIX: Fix package uids being reused between uninstall and reinstall of different packages. Policies for older packages were being granted to the newly installed package that got the recyled uid." into cm-11.0