[automerger skipped] [DO NOT MERGE] Backport BAL restrictions from T to S, this blocks apps from using Alarm am: 9624f4f1f8 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21018677

Change-Id: Ia5169f40a92caf0199f4586f078569ac539637b3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>