Merge "Added shade bottom corner radius transition for predictive back" into...

Merge "Added shade bottom corner radius transition for predictive back" into udc-dev am: f74da6cc am: fe9c848a am: 50258d46

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23356898



Change-Id: I982e65973108806ad0a5b34f40e318ecc93c3fd5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>