Merge "Remove bottom corner radius from notification scrim" into udc-dev am: bb1baef8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23699435



Change-Id: I85e85661a0740b24d6e2e6181a2979a8b50e553b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>