Using internal user manager for the lock state checking

For the methods that aren't necessary to enforce cross user permission
when calling into the `isUserUnlockingOrUnlocked` of UserManager, we
should use internal user manager instead.

Bug: 179699786
Test: atest PackageManagerTest
Change-Id: I93899292375b6ed1d8f7004e968449b2568947eb
1 file changed