Merge "Guard system usage reporting by checking the caller has system access."...

Merge "Guard system usage reporting by checking the caller has system access." into sc-dev am: e5a810e1 am: 2a33bcbd

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14987453

Change-Id: Id9765037e4e2a1b37c31c92c530be53373bf48c0