Merge "Adding support for determining split layout for launcher." into sc-dev am: c52c0782a7 am: 5fd433fb21 am: 3f5342b3ee

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14286682

Change-Id: Ib0704f9ac8974741eab8827b7941a70bb861340c