Update Carrier Privileged UIDs on Package Uninstall.

When packages are uninstalled from the device, they must be removed from
CarrierPrivilegeTracker's cache of installed packages. Additionally, the
privileged UIDs must be reevaluated as the removed package may have
previously been privileged.

Bug: 147391402
Test: Tested on crosshatch build
Change-Id: I7cb6d59a0eaebbbb9b0eda2130397f0b64dfd17d