Merge "Update focus highlight of car dialog button" into rvc-dev am: 333f7c95 am: 6d85cf39 am: ec82bb91

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/11921467

Change-Id: I1105bccead69643d3f0e55cea852e54811ad11c0