update promise interface for on-core promise changes
update promise interface for on-core promise changes

keedya/on-http,lanchongyizu/on-http,larry-dean/on-http,RackHD/on-http,keedya/on-http,larry-dean/on-http,larry-dean/on-http,keedya/on-http,RackHD/on-http,lanchongyizu/on-http,lanchongyizu/on-http,larry-dean/on-http,RackHD/on-http,lanchongyizu/on-http,RackHD/on-http,keedya/on-http