Merge "Set collapsing toolbar background color" into tm-dev am: bed53f07 am:...

Merge "Set collapsing toolbar background color" into tm-dev am: bed53f07 am: c88755c7 am: 5ff6947c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18179823



Change-Id: I5ac8c11008474c8541addcacc34e74615afcac27
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>