At 74, Al Pacino isn't just getting warmed up, he's on a streak. He had two dramas this fall: Manglehorn, which debuted at the Venice Film Festival, in which he plays a small-town Texan locksmith, and Barry Levinson's The Humbling, in which he portrays an aged actor who has a quirky romance (which is playing at the AwardsLine screening series next Tuesday at the Landmark on Pico). Next up is Danny Collins this spring which marks the directorial debut of comedy scribe Dan…