Merge "Add two panel home support for page binding logic" into sc-v2-dev am: adbe369451 am: 614a98fdea

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14589972

Change-Id: Id17504effb8304c401d61d4efe29d6581bdb5c0e