[automerger skipped] Merge "DO NOT MERGE Prevent apps from creating blocked channel groups" into qt-dev am: f1dc5b1ee1 am: 960d42c069 -s ours am: 2675838e1b -s ours am: f4e13e6e6a -s ours am: 6dcb9e28be -s ours am: af390eecf2 -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/16621952

Change-Id: I9785ea0d9048095a738209427e49d97954cb8adf