If you think about it the confidence package should have an dash cam optional so that upper-front camera could be used. Just pop a USB thumb drive in and it records both the front and back cameras and maybe the 360 view from the back-up camera. Coming to a software update near you? (are you...
I believe the front-facing camera in front of the rear view mirror is to support the Lane Departure Warning (LDW) and Lane Keep Assist (LKA) functionality.
I took a quick photo http://imgur.com/w7kEUS7 of the other side. It appears to contain a front-facing camera. I'm not sure why it is so wide for a single camera, but maybe there are other components that are difficult to see. It doesn't really interfere with the driving vision. I added it to...