Merge "Reduce flicker while split entering animation" into tm-qpr-dev am: 455985f9

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20401466



Change-Id: Ib0bd0143e44f8fc88efbaeb1d1d559c797238a81
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>