Merge "Clarify the semantics of ACTION_SCHEDULE_EXACT_ALARM_PERMISSION_STATE_CHANGED" into sc-dev am: 85dda65c am: aaff58ec am: 8da8c02b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14518675

Change-Id: I96b3e44018eba666d927f2aadfc78c6f79aceac1