Change KeyguardIndicationController to use UserTracker instead of...

Change KeyguardIndicationController to use UserTracker instead of KeyguardUpdateMonitor to get the current user id.


Fixes: 269196016
Test: atest KeyguardIndicationControllerTest
Test: manually
  1. Enroll Face and disable skip lockscreen option
  2. Enable multiple users on the device
  3. Create a second user for the device.
  4. Switch to the user new user and enroll face & and disable skip lockscreen option
  5. Switch between the users and unlock the phone using face.
  6. Repeat previous step several times
  7. Device should not display unlock for all features and data at any point after the device is unlocked.
Change-Id: I6156899357095c66e8d93ad5a56e65ebdc30835f