export network logger from RelayRuntime
export network logger from RelayRuntime

Reviewed By: alunyov

Differential Revision: D8929846

fbshipit-source-id: 9c537d88eed3cb33bad2936abe74ba7907016d6a

zpao/relay,cpojer/relay,josephsavona/relay,facebook/relay,facebook/relay,freiksenet/relay,xuorig/relay,josephsavona/relay,cpojer/relay,xuorig/relay,iamchenxin/relay,xuorig/relay,iamchenxin/relay,wincent/relay,voideanvalue/relay,wincent/relay,xuorig/relay,kassens/relay,kassens/relay,facebook/relay,voideanvalue/relay,voideanvalue/relay,cpojer/relay,atxwebs/relay,xuorig/relay,facebook/relay,voideanvalue/relay,yungsters/relay,facebook/relay,atxwebs/relay,yungsters/relay,voideanvalue/relay,wincent/relay,wincent/relay,dbslone/relay,josephsavona/relay,wincent/relay,kassens/relay,dbslone/relay,wincent/relay,iamchenxin/relay,freiksenet/relay,atxwebs/relay,atxwebs/relay,voideanvalue/relay,kassens/relay,iamchenxin/relay,xuorig/relay,yungsters/relay,zpao/relay,freiksenet/relay,cpojer/relay,kassens/relay,kassens/relay,facebook/relay,zpao/relay