The word you've missed is "unveiling". He did not claim that Android came before iOS, but that it was under development for long before iOS was unveiled.
EDIT: The point that you're refuting was never made. He simply said that Android would still have existed, even if iOS hadn't. And to prove that point, he correctly stated that Android was under development for a long period of time before iOS was unveiled
The word you've missed is "unveiling". He did not claim that Android came before iOS, but that it was under development for long before iOS was unveiled.
EDIT: The point that you're refuting was never made. He simply said that Android would still have existed, even if iOS hadn't. And to prove that point, he correctly stated that Android was under development for a long period of time before iOS was unveiled