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

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



Change-Id: I6800cab74b45c2a863b0f22255ccc650dd9d14eb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>