Brian Steinberg Senior TV Editor Robin Roberts, George Stephanopoulos and Michael Strahan will soon have to greet ABC’s morning viewers from a decidedly different locale. As part of a larger move by Walt Disney Co., all of the company’s New York properties are slated to move in 2025 to a building in downtown New York in a neighborhood known as Hudson Square. That will include some programs already ensconced in well known studios, such as “GMA” and “Live with Kelly and Mark.” The move won’t isn’t scheduled to take place for some time, but staffers are already coming to grips with how it might affect the program’s standing in TV’s non-stop morning-news wars.