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: I2ae65d7a1f39015c6e971a7ae3b2a4fcd537b85b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>