Merge "Refactor handling data launching split screen to separate class" into udc-dev am: 90dce8b8b2 am: d563920508

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/22840581

Change-Id: I1a0a6f5eb86a450c397ced9895d7861e0d255269
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>