Merge "Abstract out the logic to determine text color" into tm-qpr-dev am: e13d22fb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19758591



Change-Id: I5d48938e2e2cb05b91c1c6d860b2249a61bfa066
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>