Merge "Refactor taskbar divider view to IconButtonView" into udc-qpr-dev am: 6341a7e31c

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/24448722

Change-Id: Iad6d36b0be4db056958f4c38327b68faa7f78df3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>