“Selma” wasn’t the only film about race to get short shrift from Oscar voters this past year. “Black or White” is a frank, touching and very well-acted melodrama about child custody and cultural perceptions of “blackness” and “the race card,” and could have earned Octavia Spencer and Kevin Costner fresh Oscar nominations. Mike “The Upside of Anger” Binder’s latest teaming with Costner has more anger, mixed with alcoholism and a bitterness that may mask racism.