connection: move lastTimeoutTime check
connection: move lastTimeoutTime check

Zirpon/tchannel,hustxiaoc/tchannel,bunnyblue/tchannel,i/tchannel,RyanTech/tchannel,savaki/tchannel,sasa233/tchannel,vanloswang/tchannel,chenwenbin928/tchannel,benfleis/tchannel,sasa233/tchannel,savaki/tchannel,chenwenbin928/tchannel,i/tchannel,i/tchannel,hustxiaoc/tchannel,sasa233/tchannel,savaki/tchannel,benfleis/tchannel,Zirpon/tchannel,benfleis/tchannel,hustxiaoc/tchannel,Zirpon/tchannel,vanloswang/tchannel,bunnyblue/tchannel,RyanTech/tchannel,vanloswang/tchannel,bunnyblue/tchannel,RyanTech/tchannel,chenwenbin928/tchannel