CoreML watchOS 4.1 to 4.2 API Differences

MLCustomLayer.h

Added MLCustomLayer

Added -[MLCustomLayer initWithParameterDictionary:error:]

Added -[MLCustomLayer setWeightData:error:]

Added -[MLCustomLayer outputShapesForInputShapes:error:]

Added -[MLCustomLayer evaluateOnCPUWithInputs:outputs:error:]

Added -[MLCustomLayer encodeToCommandBuffer:inputs:outputs:error:]

MLModelError.h

Added MLModelErrorCustomLayer