Merge "Launch initial split from taskbar in overview app menu" into tm-qpr-dev am: d7107738

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/20956773



Change-Id: I65ec9dbc148013ed6143f868398078e4f32bf4a7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>