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 am: 6dec33c4

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



Change-Id: I27305747b3f825e905c443cfeb8dc556e2c6e185
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>