Nintendo already denied rumors about Android based OS.
Yep just like all companies deny things until they are ready to announce them. The same source reported that Nintendo was about to unveil a new 3DS redesign, Nintendo denied it and like 3 weeks later announced 3DS XL.
I'm not saying it's for sure true, just saying companies reveal things on their own terms.
When the herd loses its way, the shepard must kill the bull that leads them astray.