Merge "Add a flag for Dual Shade" into tm-qpr-dev am: 8ec492a7 am: 149fb787

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21032328



Change-Id: I0fee36315853d38c0829b5f942b856b8763cc3e3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>