Removed the FooterPreferenceMixin from the UserSettings page.
Fixes: 140008560
Test: manual test
Test: make RunSettingsRoboTests ROBOTEST_FILTER=com.android.settings.users
Change-Id: If6da2bd2f6a72d8e61b8c8bca9e3179cfdee05e6
Having consistent import order will reduce chance of merge
conflict between internal and external master
Test: rebuild
Change-Id: I0b1a170967ddcce7f388603fd521f6ed1eeba30b
This patch focused on fixing compile errors and some runtime errors.
Test: We can't test it now. But we will have an integration test later.
Bug: 110259478
Change-Id: I16c471ddcd0fa1460c665b7f74d86fcace5ee67b