Merge "Fix notifications wrong corners after "clear all"" into udc-dev am: 3620213c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23793183



Change-Id: I0fc39518c73b83f4ab7461c65f03010517f76876
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>