DO NOT MERGE Fix AppOpsServiceTest

- Mock LocalService dependency
- Always assume calling app has appropriate permissions

Test: atest atest FrameworksMockingServicesTests:com.android.server.appop
Fixes: 132274015
Fixes: 147778434
Bug: 146463528
Bug: 146590200
Merged-In: Ie816e0c6c81ecf25d37f05187591ca0d1edf0bc2
Change-Id: Ie816e0c6c81ecf25d37f05187591ca0d1edf0bc2