HOUSTON — The top-ranked Michigan football team had a final practice in Ann Arbor before leaving for the College Football Playoff national championship and landed here late afternoon on Friday, players taking it all in as they disembarked, shooting selfies and videos documenting their arrival for the biggest stage in college football. It has been a quick turnaround for Michigan, which defeated Alabama, 27-20, in overtime last Monday at the Rose Bowl. The Wolverines returned home after the game to begin practice and preparation for the national title game Monday night against No. 2 Washington a…