Merge "Revert "Fix notification group dismissal fade animation"" into...

Merge "Revert "Fix notification group dismissal fade animation"" into tm-qpr-dev am: 80b4539c am: e6ec800c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20209947



Change-Id: I5c4abed3932b2706d9120ed604632e9a456431a4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>