Merge "Fixing jagged corners of the notification scrim" into sc-dev am: 015ab56a am: 933492a0 am: 4af89c74

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14640414

Change-Id: I894b908a94483001962de17b27210e41a78a2626