Merge "Brighten theme-icons when in Dark mode and add dark color for taskbar"...

Merge "Brighten theme-icons when in Dark mode and add dark color for taskbar" into tm-dev am: 97a605b1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17004229



Change-Id: If2515cb0c257121f4b421ee41a4374d6caf0e3a4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>