Merge "Merge "Update taskbar background color." into tm-qpr-dev am:...

Merge "Merge "Update taskbar background color." into tm-qpr-dev am: 44665068" into tm-qpr-dev-plus-aosp am: 4dada52e am: db73e54b

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22211092



Change-Id: I20c097287d2f72aec8dbf97eead60f9ce37c42f4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>