fix for issue 6344. added printing of .proto file comments in generated code.
fix for issue 6344. added printing of .proto file comments in generated code.

makdharma/grpc,quizlet/grpc,fuchsia-mirror/third_party-grpc,muxi/grpc,philcleveland/grpc,LuminateWireless/grpc,yugui/grpc,Vizerai/grpc,tengyifei/grpc,jboeuf/grpc,pmarks-net/grpc,donnadionne/grpc,dgquintas/grpc,carl-mastrangelo/grpc,yang-g/grpc,PeterFaiman/ruby-grpc-minimal,royalharsh/grpc,tengyifei/grpc,pszemus/grpc,ncteisen/grpc,greasypizza/grpc,nicolasnoble/grpc,mehrdada/grpc,daniel-j-born/grpc,matt-kwong/grpc,sreecha/grpc,carl-mastrangelo/grpc,kskalski/grpc,y-zeng/grpc,geffzhang/grpc,jboeuf/grpc,msmania/grpc,ejona86/grpc,a11r/grpc,jboeuf/grpc,yang-g/grpc,ejona86/grpc,rjshade/grpc,vsco/grpc,donnadionne/grpc,y-zeng/grpc,tengyifei/grpc,ejona86/grpc,apolcyn/grpc,grani/grpc,ppietrasa/grpc,jboeuf/grpc,philcleveland/grpc,kriswuollett/grpc,perumaalgoog/grpc,nicolasnoble/grpc,leifurhauks/grpc,a-veitch/grpc,malexzx/grpc,donnadionne/grpc,adelez/grpc,thinkerou/grpc,grpc/grpc,deepaklukose/grpc,makdharma/grpc,ipylypiv/grpc,mehrdada/grpc,adelez/grpc,ctiller/grpc,PeterFaiman/ruby-grpc-minimal,baylabs/grpc,dklempner/grpc,carl-mastrangelo/grpc,perumaalgoog/grpc,MakMukhi/grpc,kumaralokgithub/grpc,bogdandrutu/grpc,chrisdunelm/grpc,matt-kwong/grpc,grpc/grpc,kskalski/grpc,mehrdada/grpc,soltanmm-google/grpc,zhimingxie/grpc,vjpai/grpc,jtattermusch/grpc,chrisdunelm/grpc,malexzx/grpc,ppietrasa/grpc,baylabs/grpc,yongni/grpc,murgatroid99/grpc,sreecha/grpc,donnadionne/grpc,vjpai/grpc,kriswuollett/grpc,a11r/grpc,simonkuang/grpc,a11r/grpc,deepaklukose/grpc,nicolasnoble/grpc,mehrdada/grpc,thunderboltsid/grpc,rjshade/grpc,sreecha/grpc,LuminateWireless/grpc,ctiller/grpc,y-zeng/grpc,MakMukhi/grpc,firebase/grpc,donnadionne/grpc,leifurhauks/grpc,dgquintas/grpc,hstefan/grpc,grpc/grpc,royalharsh/grpc,perumaalgoog/grpc,Vizerai/grpc,zhimingxie/grpc,thunderboltsid/grpc,malexzx/grpc,carl-mastrangelo/grpc,geffzhang/grpc,firebase/grpc,Crevil/grpc,greasypizza/grpc,yugui/grpc,leifurhauks/grpc,ncteisen/grpc,leifurhauks/grpc,grpc/grpc,vsco/grpc,ppietrasa/grpc,geffzhang/grpc,jboeuf/grpc,LuminateWireless/grpc,murgatroid99/grpc,y-zeng/grpc,kpayson64/grpc,yugui/grpc,apolcyn/grpc,jtattermusch/grpc,kriswuollett/grpc,wcevans/grpc,PeterFaiman/ruby-grpc-minimal,matt-kwong/grpc,ncteisen/grpc,kumaralokgithub/grpc,MakMukhi/grpc,carl-mastrangelo/grpc,tengyifei/grpc,tengyifei/grpc,grani/grpc,Vizerai/grpc,kumaralokgithub/grpc,yongni/grpc,MakMukhi/grpc,yugui/grpc,hstefan/grpc,vjpai/grpc,infinit/grpc,kpayson64/grpc,donnadionne/grpc,deepaklukose/grpc,Crevil/grpc,dgquintas/grpc,deepaklukose/grpc,msmania/grpc,sreecha/grpc,bogdandrutu/grpc,ncteisen/grpc,msmania/grpc,jtattermusch/grpc,hstefan/grpc,ppietrasa/grpc,Crevil/grpc,rjshade/grpc,adelez/grpc,thinkerou/grpc,stanley-cheung/grpc,daniel-j-born/grpc,apolcyn/grpc,hstefan/grpc,jcanizales/grpc,geffzhang/grpc,philcleveland/grpc,grpc/grpc,simonkuang/grpc,rjshade/grpc,ppietrasa/grpc,podsvirov/grpc,ipylypiv/grpc,makdharma/grpc,firebase/grpc,carl-mastrangelo/grpc,vjpai/grpc,mehrdada/grpc,kpayson64/grpc,kriswuollett/grpc,baylabs/grpc,soltanmm/grpc,grani/grpc,soltanmm-google/grpc,dklempner/grpc,royalharsh/grpc,a11r/grpc,muxi/grpc,bogdandrutu/grpc,soltanmm-google/grpc,quizlet/grpc,chrisdunelm/grpc,chrisdunelm/grpc,kskalski/grpc,sreecha/grpc,podsvirov/grpc,jcanizales/grpc,grani/grpc,yongni/grpc,podsvirov/grpc,kriswuollett/grpc,grpc/grpc,simonkuang/grpc,PeterFaiman/ruby-grpc-minimal,pszemus/grpc,LuminateWireless/grpc,chrisdunelm/grpc,murgatroid99/grpc,PeterFaiman/ruby-grpc-minimal,adelez/grpc,fuchsia-mirror/third_party-grpc,kumaralokgithub/grpc,deepaklukose/grpc,bogdandrutu/grpc,jtattermusch/grpc,Vizerai/grpc,ejona86/grpc,chrisdunelm/grpc,soltanmm/grpc,leifurhauks/grpc,thinkerou/grpc,pmarks-net/grpc,pmarks-net/grpc,makdharma/grpc,grpc/grpc,yang-g/grpc,ctiller/grpc,yongni/grpc,PeterFaiman/ruby-grpc-minimal,LuminateWireless/grpc,vjpai/grpc,kpayson64/grpc,infinit/grpc,rjshade/grpc,daniel-j-born/grpc,mehrdada/grpc,makdharma/grpc,vjpai/grpc,LuminateWireless/grpc,kskalski/grpc,7anner/grpc,matt-kwong/grpc,Vizerai/grpc,apolcyn/grpc,thunderboltsid/grpc,nicolasnoble/grpc,kpayson64/grpc,arkmaxim/grpc,baylabs/grpc,ppietrasa/grpc,yongni/grpc,ejona86/grpc,jcanizales/grpc,andrewpollock/grpc,jcanizales/grpc,philcleveland/grpc,jboeuf/grpc,thunderboltsid/grpc,thinkerou/grpc,mehrdada/grpc,ejona86/grpc,grani/grpc,perumaalgoog/grpc,7anner/grpc,dklempner/grpc,greasypizza/grpc,podsvirov/grpc,MakMukhi/grpc,jtattermusch/grpc,PeterFaiman/ruby-grpc-minimal,apolcyn/grpc,ctiller/grpc,dklempner/grpc,royalharsh/grpc,ncteisen/grpc,royalharsh/grpc,perumaalgoog/grpc,kskalski/grpc,stanley-cheung/grpc,philcleveland/grpc,infinit/grpc,simonkuang/grpc,bogdandrutu/grpc,yugui/grpc,wcevans/grpc,dgquintas/grpc,LuminateWireless/grpc,fuchsia-mirror/third_party-grpc,stanley-cheung/grpc,grani/grpc,greasypizza/grpc,wcevans/grpc,stanley-cheung/grpc,donnadionne/grpc,grani/grpc,quizlet/grpc,arkmaxim/grpc,perumaalgoog/grpc,carl-mastrangelo/grpc,dklempner/grpc,grpc/grpc,jcanizales/grpc,pszemus/grpc,yugui/grpc,y-zeng/grpc,ipylypiv/grpc,malexzx/grpc,Vizerai/grpc,quizlet/grpc,kumaralokgithub/grpc,a11r/grpc,malexzx/grpc,soltanmm-google/grpc,jboeuf/grpc,baylabs/grpc,pmarks-net/grpc,bogdandrutu/grpc,pmarks-net/grpc,firebase/grpc,fuchsia-mirror/third_party-grpc,andrewpollock/grpc,carl-mastrangelo/grpc,andrewpollock/grpc,jtattermusch/grpc,pszemus/grpc,andrewpollock/grpc,nicolasnoble/grpc,pszemus/grpc,thinkerou/grpc,vjpai/grpc,donnadionne/grpc,PeterFaiman/ruby-grpc-minimal,y-zeng/grpc,yang-g/grpc,a11r/grpc,murgatroid99/grpc,MakMukhi/grpc,a11r/grpc,deepaklukose/grpc,malexzx/grpc,ctiller/grpc,quizlet/grpc,infinit/grpc,Crevil/grpc,ncteisen/grpc,tengyifei/grpc,royalharsh/grpc,muxi/grpc,y-zeng/grpc,philcleveland/grpc,yugui/grpc,ipylypiv/grpc,firebase/grpc,simonkuang/grpc,firebase/grpc,PeterFaiman/ruby-grpc-minimal,pszemus/grpc,mehrdada/grpc,makdharma/grpc,MakMukhi/grpc,pszemus/grpc,simonkuang/grpc,stanley-cheung/grpc,andrewpollock/grpc,kskalski/grpc,leifurhauks/grpc,royalharsh/grpc,muxi/grpc,jboeuf/grpc,ncteisen/grpc,mehrdada/grpc,zhimingxie/grpc,vsco/grpc,pszemus/grpc,vjpai/grpc,carl-mastrangelo/grpc,grpc/grpc,greasypizza/grpc,a-veitch/grpc,stanley-cheung/grpc,andrewpollock/grpc,podsvirov/grpc,stanley-cheung/grpc,soltanmm/grpc,ncteisen/grpc,quizlet/grpc,thinkerou/grpc,dgquintas/grpc,sreecha/grpc,ctiller/grpc,bogdandrutu/grpc,yang-g/grpc,msmania/grpc,tengyifei/grpc,jcanizales/grpc,andrewpollock/grpc,hstefan/grpc,a-veitch/grpc,dgquintas/grpc,7anner/grpc,zhimingxie/grpc,nicolasnoble/grpc,bogdandrutu/grpc,kpayson64/grpc,geffzhang/grpc,hstefan/grpc,a-veitch/grpc,pszemus/grpc,mehrdada/grpc,ejona86/grpc,wcevans/grpc,grpc/grpc,muxi/grpc,bogdandrutu/grpc,daniel-j-born/grpc,zhimingxie/grpc,ctiller/grpc,stanley-cheung/grpc,greasypizza/grpc,zhimingxie/grpc,muxi/grpc,a-veitch/grpc,greasypizza/grpc,sreecha/grpc,vjpai/grpc,dgquintas/grpc,firebase/grpc,royalharsh/grpc,dklempner/grpc,MakMukhi/grpc,donnadionne/grpc,Vizerai/grpc,stanley-cheung/grpc,a11r/grpc,ctiller/grpc,wcevans/grpc,zhimingxie/grpc,LuminateWireless/grpc,carl-mastrangelo/grpc,ejona86/grpc,7anner/grpc,ppietrasa/grpc,fuchsia-mirror/third_party-grpc,geffzhang/grpc,apolcyn/grpc,deepaklukose/grpc,kskalski/grpc,thunderboltsid/grpc,adelez/grpc,soltanmm-google/grpc,kumaralokgithub/grpc,podsvirov/grpc,msmania/grpc,kpayson64/grpc,a-veitch/grpc,murgatroid99/grpc,msmania/grpc,apolcyn/grpc,simonkuang/grpc,thinkerou/grpc,quizlet/grpc,soltanmm-google/grpc,philcleveland/grpc,zhimingxie/grpc,yongni/grpc,grpc/grpc,makdharma/grpc,ipylypiv/grpc,y-zeng/grpc,dgquintas/grpc,baylabs/grpc,ppietrasa/grpc,philcleveland/grpc,greasypizza/grpc,kriswuollett/grpc,soltanmm/grpc,kpayson64/grpc,jboeuf/grpc,greasypizza/grpc,jcanizales/grpc,pmarks-net/grpc,kriswuollett/grpc,geffzhang/grpc,apolcyn/grpc,thunderboltsid/grpc,fuchsia-mirror/third_party-grpc,thinkerou/grpc,hstefan/grpc,yang-g/grpc,ncteisen/grpc,daniel-j-born/grpc,ejona86/grpc,stanley-cheung/grpc,baylabs/grpc,perumaalgoog/grpc,quizlet/grpc,adelez/grpc,jtattermusch/grpc,matt-kwong/grpc,jtattermusch/grpc,vjpai/grpc,firebase/grpc,wcevans/grpc,thinkerou/grpc,yongni/grpc,podsvirov/grpc,podsvirov/grpc,ctiller/grpc,murgatroid99/grpc,vsco/grpc,ppietrasa/grpc,murgatroid99/grpc,7anner/grpc,arkmaxim/grpc,donnadionne/grpc,soltanmm/grpc,jboeuf/grpc,fuchsia-mirror/third_party-grpc,jcanizales/grpc,thunderboltsid/grpc,leifurhauks/grpc,nicolasnoble/grpc,royalharsh/grpc,muxi/grpc,simonkuang/grpc,muxi/grpc,jcanizales/grpc,yongni/grpc,vjpai/grpc,y-zeng/grpc,simonkuang/grpc,dklempner/grpc,sreecha/grpc,adelez/grpc,podsvirov/grpc,pszemus/grpc,leifurhauks/grpc,donnadionne/grpc,matt-kwong/grpc,hstefan/grpc,dgquintas/grpc,firebase/grpc,pmarks-net/grpc,carl-mastrangelo/grpc,a-veitch/grpc,chrisdunelm/grpc,ejona86/grpc,arkmaxim/grpc,dklempner/grpc,kriswuollett/grpc,Crevil/grpc,stanley-cheung/grpc,murgatroid99/grpc,thunderboltsid/grpc,chrisdunelm/grpc,vsco/grpc,7anner/grpc,perumaalgoog/grpc,nicolasnoble/grpc,vsco/grpc,vsco/grpc,adelez/grpc,geffzhang/grpc,infinit/grpc,yongni/grpc,yugui/grpc,msmania/grpc,wcevans/grpc,sreecha/grpc,philcleveland/grpc,yang-g/grpc,muxi/grpc,nicolasnoble/grpc,pmarks-net/grpc,msmania/grpc,ctiller/grpc,vsco/grpc,ejona86/grpc,muxi/grpc,muxi/grpc,msmania/grpc,soltanmm/grpc,jtattermusch/grpc,donnadionne/grpc,soltanmm-google/grpc,kumaralokgithub/grpc,thinkerou/grpc,arkmaxim/grpc,nicolasnoble/grpc,soltanmm/grpc,nicolasnoble/grpc,ejona86/grpc,ctiller/grpc,matt-kwong/grpc,deepaklukose/grpc,7anner/grpc,infinit/grpc,geffzhang/grpc,PeterFaiman/ruby-grpc-minimal,kskalski/grpc,soltanmm-google/grpc,dgquintas/grpc,mehrdada/grpc,kumaralokgithub/grpc,daniel-j-born/grpc,rjshade/grpc,muxi/grpc,Vizerai/grpc,yang-g/grpc,jboeuf/grpc,infinit/grpc,baylabs/grpc,ipylypiv/grpc,grani/grpc,rjshade/grpc,7anner/grpc,arkmaxim/grpc,deepaklukose/grpc,thunderboltsid/grpc,makdharma/grpc,grpc/grpc,makdharma/grpc,ipylypiv/grpc,Crevil/grpc,quizlet/grpc,zhimingxie/grpc,daniel-j-born/grpc,Crevil/grpc,kpayson64/grpc,infinit/grpc,stanley-cheung/grpc,ncteisen/grpc,wcevans/grpc,fuchsia-mirror/third_party-grpc,7anner/grpc,dgquintas/grpc,a11r/grpc,ipylypiv/grpc,leifurhauks/grpc,dklempner/grpc,firebase/grpc,sreecha/grpc,matt-kwong/grpc,jtattermusch/grpc,a-veitch/grpc,kpayson64/grpc,chrisdunelm/grpc,thinkerou/grpc,pmarks-net/grpc,andrewpollock/grpc,fuchsia-mirror/third_party-grpc,yugui/grpc,adelez/grpc,Crevil/grpc,thinkerou/grpc,a-veitch/grpc,rjshade/grpc,andrewpollock/grpc,nicolasnoble/grpc,sreecha/grpc,Vizerai/grpc,chrisdunelm/grpc,Vizerai/grpc,murgatroid99/grpc,arkmaxim/grpc,ipylypiv/grpc,soltanmm/grpc,rjshade/grpc,arkmaxim/grpc,murgatroid99/grpc,kriswuollett/grpc,mehrdada/grpc,sreecha/grpc,malexzx/grpc,MakMukhi/grpc,firebase/grpc,hstefan/grpc,jboeuf/grpc,tengyifei/grpc,Crevil/grpc,malexzx/grpc,soltanmm/grpc,vjpai/grpc,carl-mastrangelo/grpc,yang-g/grpc,daniel-j-born/grpc,pszemus/grpc,kpayson64/grpc,vsco/grpc,kskalski/grpc,ncteisen/grpc,perumaalgoog/grpc,baylabs/grpc,ctiller/grpc,Vizerai/grpc,kumaralokgithub/grpc,tengyifei/grpc,daniel-j-born/grpc,wcevans/grpc,matt-kwong/grpc,arkmaxim/grpc,apolcyn/grpc,ncteisen/grpc,grani/grpc,LuminateWireless/grpc,fuchsia-mirror/third_party-grpc,infinit/grpc,chrisdunelm/grpc,pszemus/grpc,firebase/grpc,malexzx/grpc,jtattermusch/grpc,soltanmm-google/grpc,jtattermusch/grpc