Antoine Fuqua’s films, which include hard-hitting action dramas like “Southpaw,” “The Equalizer” and “Olympus Has Fallen,” grunt and flex in cinematically pleasing ways. The 50-year-old director helped Denzel Washington win an Academy Award for Best Actor in 2001’s “Training Day,” and has lined up similarly sinewed projects like the diamond-trade series “Ice,” which he is directing and producing for AT&T’s Audience Network. “It’s just my personality to stay busy,” Fuqua said over the phone from Los Angeles on his way to direct a nighttime shoot for “Ice.” “I’ve been an athlete my whole life, so I love it.