Not sure ....
Yes, its possible that Nokia could form some sort of merger with Microsoft, or for them to adopt the Jalvik VM.
But to take on WP7? Thats been far from a runaway success, its more like limping into action. Even with the "assistance" of being readily available in the states, WP7 hasn't even got close to the sales of S^3 devices.
WP7 and S^3 have been on the market for a similar length of time, and during that period Nokia have been regularly rolling out minor updates, something that Microsoft seem to be incapable of doing.
And correcting one item in the article. Android is only on top in the last quarters sales. That is not the same as being on top in absolute terms.
Its still got a massive way to go to beat Symbian for an installed user base.