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: d2e02d66

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



Change-Id: Id59f0080594157bdb1053ea7e181210af838f9b6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>