Merge "Add rounded corners to TaskMenu Items" into sc-dev am: 646fdb802e am: 69a7768ea6

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15084517

Change-Id: I8a9df14959935a4f0c1f067bf750c33c485e70a7