Merge changes from topics "presubmit-am-0ed6d9a2502540239b46d7d3573bd44e", "presubmit-am-7a77b5bffdb04bf38bcec9ec17d4d6ee" into tm-qpr-dev

* changes:
  Revert "Allow user gesture to take priority over taskbar translation reset animnatiuon."
  Revert "Fix bug where taskbar is translated during hotseat handoff."