Merge "Make multi-instances split opt-in based" into tm-qpr-dev am: 168c204f

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20306070



Change-Id: Icec4268adf433679226a7cb26dbdfd0327e899a2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>