Add backwards compatibility support for setUserRestrictions

Also changed setAutoTimeRrequirerd and setCamerraDisabled to call the
policy engine with the appropriate userr restriction.

Bug: 270549007
Bug: 273494642
Test: btest a.d.c.CameraTest
Test: btest a.d.c.TimeTest
Test: btest a.d.c.UserRestrictionsTest
Change-Id: Id1c681c5307135a08b7fa4875c3419cb9914c6e5