Activity recognition source app op tracking

The activity recognition source may access activity
recognition in its operation as being the activity
recognition source. Accesses from an AR source
(for special tags it designates - the APK may contain
other components) for location and AR are tracked in
a dedicated app op.

bug: 182204957

Test: atest CtsActivityRecognitionTestCases

Change-Id: If29fba1c51d70a2806a0907a73a96d3d8d7a3100