Merge "Support RTL for text of Preferences" into udc-dev am: 429962dd am: babcaf70

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



Change-Id: I6905f665d9143cb67a286bc2d63a1a2fe90b5b4b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>