Fix the issue with buttonStyle in carsuwlib am: 834d74bbf0 am: 5ef0c1063d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/opt/car/setupwizard/+/16368745

Change-Id: I60957a5de19bb76b3c2ef57d451f3f980a2d1bbd