Merge "Support RTL for text of Preferences" into udc-dev am: 429962dd

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23263078



Change-Id: Ia1094c9bbf61f373a9c14083062a1ab8c8a4e15f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>