Pass in ProxyFromEnvironment function to loggregator_consumer.
Pass in ProxyFromEnvironment function to loggregator_consumer.

[Fixes #75343416]

markstgodard/cli,mcowger/cli,zhang-hua/cli,SrinivasChilveri/cli,pishro-cc/cli,cgvarela/cli,18F/cli,AmitRoushan/cli,cf-routing/cli,HuaweiTech/cli,srikanth88infy/cli,ofer43211/cli,hyenaspots/cli,saravana76/cli,TomG713/cli,mcintyred/cli,HuaweiTech/cli,carnell69/cli,markstgodard/cli,xingzhou/cli,HuaweiTech/cli,fujitsu-cf/cli,ReachingOut/cli,AmitRoushan/cli,hyenaspots/cli,rastasheep/trash-can,18F/cli,ReachingOut/cli,pishro-cc/cli,simonleung8/cli,evanfarrar/cli,mcowger/cli,carnell69/cli,hyenaspots/cli,markstgodard/cli,xingzhou/cli,TomG713/cli,srikanth88infy/cli,hyenaspots/cli,markstgodard/cli,kavoj/cli,diatmpravin/cli,AmitRoushan/cli,simonleung8/cli,18F/cli,evanfarrar/cli,diatmpravin/cli,ReachingOut/cli,Zouuup/cli,ofer43211/cli,HuaweiTech/cli,srikanth88infy/cli,saravana76/cli,mcintyred/cli,Zouuup/cli,fujitsu-cf/cli,saurabhguptasg/cli,saravana76/cli,zhang-hua/cli,EngineerBetter/cli,SrinivasChilveri/cli,xingzhou/cli,evanfarrar/cli,carnell69/cli,EngineerBetter/cli,diatmpravin/cli,ofer43211/cli,SrinivasChilveri/cli,AmitRoushan/cli,rastasheep/trash-can,diatmpravin/cli,xingzhou/cli,cf-routing/cli,EngineerBetter/cli,zhang-hua/cli,ofer43211/cli,cf-routing/cli,evanfarrar/cli,carnell69/cli,Zouuup/cli,cgvarela/cli,rastasheep/trash-can,mcowger/cli,TomG713/cli,mcintyred/cli,cf-routing/cli,kavoj/cli,simonleung8/cli,saurabhguptasg/cli,zhang-hua/cli,mcowger/cli,saravana76/cli,pishro-cc/cli,rastasheep/trash-can,pishro-cc/cli,SrinivasChilveri/cli,Zouuup/cli,saurabhguptasg/cli,cgvarela/cli,cgvarela/cli,18F/cli,kavoj/cli,srikanth88infy/cli,ReachingOut/cli,TomG713/cli,kavoj/cli,mcintyred/cli,saurabhguptasg/cli,fujitsu-cf/cli,EngineerBetter/cli