Merge "Add support for rounded notification in groups" into tm-qpr-dev am: 46b33d3f

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20064744



Change-Id: I1c3a4c808d788ab17baede6457c240bc095f99a6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>