Merge "Do not dismiss priority children of a group being dismissed" into udc-dev am: f0d08645

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23785932



Change-Id: I20c50bea1c95e5e2715437cb0771c881de42e404
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>