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: 0032f436 am: e6cefeea am: 5de7a82e

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



Change-Id: Ic7c08d890d58680fb780176725ccb0747412f899
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>