ImageIO tvOS 13.0 Beta 2 to Beta 3 API Differences

CGImageAnimation.h
Added CGImageAnimationStatus
Added kCGImageAnimationStatus_ParameterError
Added kCGImageAnimationStatus_CorruptInputImage
Added kCGImageAnimationStatus_UnsupportedFormat
Added kCGImageAnimationStatus_IncompleteInputImage
Added kCGImageAnimationStatus_AllocationFailure
Added kCGImageAnimationStartIndex
Added kCGImageAnimationDelayTime
Added kCGImageAnimationLoopCount
Added CGImageSourceAnimationBlock
Added CGAnimateImageAtURLWithBlock()
Added CGAnimateImageDataWithBlock()