Merge "Improve javadocs for repeating alarms" into sc-dev am: 4260ce41 am: 22f606ab am: f1327290

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15147288

Change-Id: I4487eaeb69a21048fc27fdf7a0f938f66c12a0b5