[automerger skipped] Merge "Prevent apps from creating blocked channel groups" into rvc-qpr-dev am: f8994409fe am: bf4e84b7ad am: 657648b98a -s ours

am skip reason: Merged-In I8a27853c7ed05d9dfd38a3142fbbe185946c3992 with SHA-1 074a7f4ccd is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16623721

Change-Id: I28eedcfd60a6630499b0fc4b688415dc509ec4fd