Merge "Revert "Revert "Sync hotseat/taskbar handoff""" into tm-dev am: 812feca9

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/17606862



Change-Id: Ib3d13c87cead67d20a5652aa948a62b1f34ab7f9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>