Not if you're looking at it from a mechanics perspective. It's still holding a space specifically for people from one race while disallowing any other races.
If you're looking at if from a social power perspective it may be different, but that doesn't make it not segregation, and not ultimately bad for society.
Note for those jumping into the middle of the conversation: I'm aware that's not what's happening in this case. This is based on a hypothetical at this point.