Merge "Use new color for unavailable looking tiles" into tm-qpr-dev am: de337b3a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/19967565



Change-Id: I0170557c58ec0eab8270799c071818cfd0ae7df2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>