Revert "Return to Launcher Home after wallpaper/grid apply"

Revert submission 14622466-return_to_home

Reason for revert: DroidMonitor-triggered revert due to breakage <https://android-build.googleplex.com/builds/quarterdeck?branch=git_sc-v2-dev&target=slider-userdebug&lkgb=7377508&lkbb=7377536&fkbb=7377536>

Bug: 188616302

Reverted Changes:
Ic9ef5bf6a:Return to Launcher Home after wallpaper/grid apply...
Ia7b8fad1a:Return to Launcher Home after wallpaper/grid apply...

Change-Id: I015a5b894f9f8ed3bdbf8ded6a93a4021b180d23