Merge "Revert "[Bouncer] Refine entry animation scrimmed."" into tm-qpr-dev am: 16a8a796

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20860901



Change-Id: Iad78d946097bfc7a5f33d0f02f401c7f5a624187
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>