Merge "Add a hint to align changes between taskbar and divider bar" into udc-dev am: 20957363 am: bace32b0

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



Change-Id: I3c14be7da2978b4a24876272380ba9837ef9991c
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>