Merge "Fix notification group dismissal fade animation" into tm-qpr-dev am:...

Merge "Fix notification group dismissal fade animation" into tm-qpr-dev am: 0bad9c5a am: e59420f7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20150884



Change-Id: I9aeb8ca9e620515e7ceda30f6b162a1030e58c4c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>