Merge "Revert "Enable SplitSelect flag by default"" into sc-v2-dev am: e6ba6cf940 am: 64bd150d6a

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14722088

Change-Id: I4145df5c6cf3d7c7447b6c627882fdbcc9a89a29