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: Ife3a1cdb91e7eb47f202eb03e260a2281aa2556d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>