Merge "String update for rear display mode" into tm-qpr-dev am: f8de84e2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21337648



Change-Id: Ifa1304460a0743613f2c1befbc66ac4d1307f0de
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>