By Neil Giordano A stellar Rosalind Eleazar anchors this sour Hollywood parable, but Chris Rock’s performance and an overstuffed screenplay undermine its bite. Misty Green, written and directed by Chris Rock. Screening at AMC Boston Common 19, Landmark Kendall Square, Alamo Drafthouse Seaport, and AMC Causeway. Depending on your age, you may know Chris Rock…