Merge "Prevent double selection of second split app" into tm-dev am: 998c47e594 am: 726c49e77c

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17622348

Change-Id: I815795ea8b0c589189ab98da3319f73af16fe446
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>