Merge "Add a hint to align changes between taskbar and divider bar" into udc-dev am: 2095736367 am: a824567e34

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/23726783

Change-Id: I40a40b2f65e397fb09e6041b8af574272200b80b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>