Fix some bugs, add the ability to monitor state changes, improve
dumpsys output to help debugging, add a new check API that allows
the caller to get the real state.
Bug: 78480444
Test: atest FrameworksServicesTests:AppOpsServiceTest
Test: atest CtsPermissionTestCases:AppOpsTest
Change-Id: I3d41be9968c1d95a1456f4052da958ea64aa068d