TChannelRequest: reuse resend in send
TChannelRequest: reuse resend in send

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