What's meant by "Cameras calibrated for AR"?

At the September 12 unveiling event, Phil Schiller's presentation of the iPhone 8's camera included a slide (*) stating

"Cameras calibrated for AR".



(*) See: https://syllabus.vox-cdn.com/uploads/photo/image/26621/apple-iphone-2017-20170912-11438.JPG



Does this imply the new models' camera intrinsics / lens distortion characteristics are individually factory-calibrated?

If not, what exactly is meant by "calibrated for AR"...?