According to Droid-life, the image that you see here is the real deal and not some sort of Photoshop job, while the displayed version number is as accurate as a Tomahawk missile bearing down on its target. What you see seem to hail from a previous build compared to the upcoming one, perhaps one that was still in testing, hence the spy shot?
Google themselves have remained strangely silent about the GRJ90 update, but update perhaps this might just usher in a whole new age of NFC functionality in compatible handsets. Do you think that other smartphones with NFC built-in will be getting the new update in due time as well?