Merge "Determine rear display status only based on device states" into udc-dev...

Merge "Determine rear display status only based on device states" into udc-dev am: 9188aa60 am: 65076858

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22625063



Change-Id: I4166ef063e9d237e6e278d23507cff19b7122020
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>