DO NOT MERGE: Downbranch merge conflict [Output Switcher] update layout...

DO NOT MERGE: Downbranch merge conflict [Output Switcher] update layout properties to support RTL mode am: 60607fd8 am: 0d160dba

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17752391



Change-Id: I98f393468840f1832dad575d12badb3e7cc5d98d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>