Merge "Add rounded corners for freeform tasks" into udc-dev am: 323691f2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22605995



Change-Id: I97ff7af8ad270871ac4d3f79078766dfce3a1d4d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>