Merge "Fix corner radius for expanded widget picker list items" into sc-dev am: 6f3081affa am: 6eff99a7d3

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14830781

Change-Id: I6a954ffcba7344678d3cae2100d87a53c4b50dd2