Merge "Update notification dot color" into udc-dev am: 21339533 am: 890a73c2

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23170209



Change-Id: I73e63e963f409c3c41ef16f45d1b34f792844af1
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>