Filmmakers Rosalynde LeBlanc and Tom Hurwitz trace the history and legacy of choreographer-dancer-director Bill T. Jones’ ballet, “D-Man in the Waters.” Emerging in the age of AIDS, the 1989 ballet gave physical manifestation to the fear, anger, grief, and hope for salvation that Jones and colleagues experienced as AIDS took the life of their beloved co-founder Arnie Zane and other troupe members.