Awesome, go Rob! (Historically cinematography in animation tended to be called simply "layout")

As smhost pointed out, this is simply a false statement.

In case others would like to verify, the full credits on IMDB are here: http://www.imdb.com/title/tt3521164/fullcredits?ref_=tt_ov_s...

There are two cinematographer credits listed for the movie.

Disney uses a difference organizational design to produce animated films, including going all the way back to the days when they were shot on film with real cameras. The lack of a "cinematographer" title in IMDB for the film has nothing to do with the technology and everything to do with the organization of the team.