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

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

Change-Id: I7efbc18a67ab746ef57d18caba76cb3e4c8f17b4
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>