Is that the sound of an Oscars 2020 campaign engine revving in the distance? Must be because earlier this week, Jennifer Lopez stopped by The Tonight Show with Jimmy Fallon to do some dancing with host Jimmy Fallon while promoting her upcoming film, Hustlers. The movie, based on journalist Jessica Pressler's 2015 New York Magazine article "The Hustlers at Scores", has already been earning positive critical reviews thanks to its debut at TIFF 2019 ahead of its theatrical release on Friday, September 13. Lopez stars in the film alongside Constance Wu, Keke Palmer, Lili Reinhart, Cardi B, and Lizzo …