Revert^2 "Call setOverviewDragState() whenever taskbar is recreated"

This reverts commit 541c5d272dbae72e604f109d231e2a8817f35a93.

Reason for revert: test still failing w/ revert https://android-build.corp.google.com/abtd/run/L66700030002678824/

Change-Id: If3ab4bb850ee519446e6cae4160ea6271049f83a
1 file changed