Merge "Enable staged split for sc-v2" into sc-v2-dev am: b9e08f5773

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/15685961

Change-Id: I87b0b89bbb4ff78b78746a1bb3a32c8c0e6c9fc8