Separate mic + camera from location

The different states are:
- No indicators enabled. Location is displayed using
LocationControllerImpl
- Only mic + camera indicators. Location is displayed using
LocationControllerImpl
- All indicators enabled. LocationControllerImpl is ignored.

Also, hardwire OP_MONITOR_HIGH_POWER_LOCATION as user sensitive.

Bug: 162552566
Test: atest com.android.systemui.privacy
Test: manual

Change-Id: I1e7f62d6fccb4a3bc4fdf2a47a8d5c8a4f55421d