Merge "Tweak vertical divider hight of RadioButtonPreference" into sc-dev am: 04e32fa3 am: 1d6d494c am: 5dad1eaf

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/14972760

Change-Id: Ic3fc03a5d78aefb3d25f674f6f47fcc367917087