[automerger skipped] Merge "DO NOT MERGE - Disallow deletion of channels with FGS notifications" into pi-dev am: 1735cdee -s ours am: 76a15c06 -s ours

am skip reason: Merged-In I1c2bb78d86f194585d273661cecf3419f51965df with SHA-1 88380a00 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/13743878

Change-Id: I89e87fd4fd57222a3d4095944791cae8082bfc81