Handle UserHandle.CURRENT in BroadcastDispatcher

This CL makes it so UserHandle.CURRENT is dereferenced to the current
user by BroadcastDispatcher when registering, using the proper actual
user id.

Test: atest BroadcastDispatcher
Test: dumpsys: OPA_ENABLED is properly registered
Fixes: 145817265
Change-Id: I4d730317a50f099785e37e3f154fdf2c3dd40a80
2 files changed