Merge "[Unfold animation] Move the dark scrim below" into tm-qpr-dev am: bcfe2bfb am: 050a0e54

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20519732



Change-Id: Iedb51e1df113423391b1053cd60d356c5ee9f334
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>