Invalidate all livedatas for package on uninstall

Invalidate every livedata that depends on a package when that package is
uninstalled

Test: atest PermissionTest23#testDenialWithPrejudice,testGrantPreviouslyRevokedWithPrejudiceShowsPrompt,testDefault,testNoResidualPermissionsOnUninstall --rerun-until-failure 4
Fixes: 150902744
Fixes: 150801305
Bug: 151696874

Change-Id: I72775412c5cb58aca09b4498af900f8716964131