Merge "Add rounded corners to customizer decoration" into sc-dev am:...

Merge "Add rounded corners to customizer decoration" into sc-dev am: 6765c1d9 am: 2811136a am: 825c45c3

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14464249

Change-Id: I988e12eec81f970231a490d0a3bade229f426c93