If you’re ever invited to watch Andy Lee’s video from Saturday’s soccer game at Levi’s Stadium, prepare to be disappointed. It doesn’t involve any on-field action between the Earthquakes and Seattle Sounders. Instead the 49ers’ punter focused on how the flags that ring the stadium behaved at the first game played in his team’s new digs.Phil Dawson, who set a 49ers record last season with 27 consecutive field goals, is one of the few 49ers who have already practiced at Levi’s Stadium.San Francisco 49ers’ Mike Purcell, left, and Glenn Dorsey stretch during training camp on Friday, July 25, 2014, in Santa Clara, Calif.Jim Harbaugh said that delaying his contract talks until after the season will allow the 49ers to concentrate on their goals