No, the world is too good a place for AGE to ever get that kind of time. Besides, how do you fit that show in when Flit's entire life takes up the whole plot? Like, SRW does time skips but not 40 year ones.
They will find a way. You're playing Z and they are making it so they can have both a Teenaged Setsuna interact with Heero who is 16 and stays that way while Setsuna will age up.
Corvo, your smart so please don't put your head in the sand and act like this won't happen. It will, and acting otherwise is just foolish. If anything, you and people like you should be excited for when it happens. Banpresto have been able to largely salvage Destiny and there is no reason they couldn't/won't do the same for Gundam AGE.