fix docker -p flag for interop tests
fix docker -p flag for interop tests

chrisdunelm/grpc,kskalski/grpc,carl-mastrangelo/grpc,chrisdunelm/grpc,nicolasnoble/grpc,msmania/grpc,carl-mastrangelo/grpc,kumaralokgithub/grpc,firebase/grpc,kskalski/grpc,grpc/grpc,philcleveland/grpc,sreecha/grpc,Vizerai/grpc,daniel-j-born/grpc,MakMukhi/grpc,adelez/grpc,donnadionne/grpc,vjpai/grpc,mehrdada/grpc,apolcyn/grpc,vjpai/grpc,pszemus/grpc,kumaralokgithub/grpc,chrisdunelm/grpc,geffzhang/grpc,philcleveland/grpc,geffzhang/grpc,deepaklukose/grpc,MakMukhi/grpc,kriswuollett/grpc,baylabs/grpc,donnadionne/grpc,wcevans/grpc,stanley-cheung/grpc,deepaklukose/grpc,vsco/grpc,fuchsia-mirror/third_party-grpc,MakMukhi/grpc,philcleveland/grpc,fuchsia-mirror/third_party-grpc,deepaklukose/grpc,vjpai/grpc,grpc/grpc,wcevans/grpc,hstefan/grpc,thinkerou/grpc,makdharma/grpc,murgatroid99/grpc,makdharma/grpc,mehrdada/grpc,kumaralokgithub/grpc,quizlet/grpc,jboeuf/grpc,thinkerou/grpc,mehrdada/grpc,Vizerai/grpc,carl-mastrangelo/grpc,stanley-cheung/grpc,grpc/grpc,jtattermusch/grpc,firebase/grpc,mehrdada/grpc,vsco/grpc,yang-g/grpc,quizlet/grpc,ctiller/grpc,muxi/grpc,thinkerou/grpc,ipylypiv/grpc,ncteisen/grpc,kriswuollett/grpc,ncteisen/grpc,daniel-j-born/grpc,apolcyn/grpc,yang-g/grpc,muxi/grpc,grpc/grpc,muxi/grpc,sreecha/grpc,firebase/grpc,zhimingxie/grpc,daniel-j-born/grpc,Crevil/grpc,thinkerou/grpc,yang-g/grpc,thinkerou/grpc,kskalski/grpc,stanley-cheung/grpc,chrisdunelm/grpc,PeterFaiman/ruby-grpc-minimal,kpayson64/grpc,pszemus/grpc,Vizerai/grpc,kriswuollett/grpc,geffzhang/grpc,apolcyn/grpc,apolcyn/grpc,philcleveland/grpc,hstefan/grpc,royalharsh/grpc,philcleveland/grpc,pszemus/grpc,kpayson64/grpc,ejona86/grpc,jtattermusch/grpc,MakMukhi/grpc,makdharma/grpc,PeterFaiman/ruby-grpc-minimal,stanley-cheung/grpc,hstefan/grpc,carl-mastrangelo/grpc,sreecha/grpc,vsco/grpc,hstefan/grpc,ncteisen/grpc,vsco/grpc,7anner/grpc,matt-kwong/grpc,pszemus/grpc,vsco/grpc,ctiller/grpc,nicolasnoble/grpc,thinkerou/grpc,ipylypiv/grpc,simonkuang/grpc,jtattermusch/grpc,carl-mastrangelo/grpc,ctiller/grpc,Vizerai/grpc,murgatroid99/grpc,carl-mastrangelo/grpc,jtattermusch/grpc,Crevil/grpc,quizlet/grpc,quizlet/grpc,donnadionne/grpc,vjpai/grpc,daniel-j-born/grpc,ejona86/grpc,vjpai/grpc,ipylypiv/grpc,sreecha/grpc,kpayson64/grpc,MakMukhi/grpc,thinkerou/grpc,msmania/grpc,jboeuf/grpc,zhimingxie/grpc,sreecha/grpc,Vizerai/grpc,geffzhang/grpc,kumaralokgithub/grpc,mehrdada/grpc,Crevil/grpc,sreecha/grpc,ejona86/grpc,pszemus/grpc,kskalski/grpc,adelez/grpc,stanley-cheung/grpc,donnadionne/grpc,jtattermusch/grpc,mehrdada/grpc,dgquintas/grpc,nicolasnoble/grpc,7anner/grpc,mehrdada/grpc,yongni/grpc,fuchsia-mirror/third_party-grpc,apolcyn/grpc,stanley-cheung/grpc,muxi/grpc,kpayson64/grpc,msmania/grpc,ejona86/grpc,royalharsh/grpc,muxi/grpc,dgquintas/grpc,jboeuf/grpc,ipylypiv/grpc,nicolasnoble/grpc,daniel-j-born/grpc,simonkuang/grpc,ncteisen/grpc,dgquintas/grpc,grpc/grpc,stanley-cheung/grpc,royalharsh/grpc,yongni/grpc,pszemus/grpc,ncteisen/grpc,ctiller/grpc,yang-g/grpc,dgquintas/grpc,kumaralokgithub/grpc,matt-kwong/grpc,vjpai/grpc,carl-mastrangelo/grpc,deepaklukose/grpc,kpayson64/grpc,matt-kwong/grpc,firebase/grpc,kskalski/grpc,quizlet/grpc,wcevans/grpc,simonkuang/grpc,vjpai/grpc,yang-g/grpc,ncteisen/grpc,Crevil/grpc,baylabs/grpc,ncteisen/grpc,nicolasnoble/grpc,royalharsh/grpc,deepaklukose/grpc,Crevil/grpc,Crevil/grpc,ncteisen/grpc,murgatroid99/grpc,kumaralokgithub/grpc,hstefan/grpc,mehrdada/grpc,yongni/grpc,grpc/grpc,fuchsia-mirror/third_party-grpc,fuchsia-mirror/third_party-grpc,jboeuf/grpc,simonkuang/grpc,firebase/grpc,murgatroid99/grpc,kumaralokgithub/grpc,deepaklukose/grpc,stanley-cheung/grpc,MakMukhi/grpc,vjpai/grpc,ctiller/grpc,grpc/grpc,firebase/grpc,ejona86/grpc,dgquintas/grpc,kpayson64/grpc,nicolasnoble/grpc,pszemus/grpc,matt-kwong/grpc,kpayson64/grpc,PeterFaiman/ruby-grpc-minimal,ctiller/grpc,simonkuang/grpc,kriswuollett/grpc,vjpai/grpc,apolcyn/grpc,nicolasnoble/grpc,murgatroid99/grpc,simonkuang/grpc,wcevans/grpc,kriswuollett/grpc,geffzhang/grpc,makdharma/grpc,jboeuf/grpc,kumaralokgithub/grpc,donnadionne/grpc,vsco/grpc,donnadionne/grpc,ejona86/grpc,muxi/grpc,thinkerou/grpc,nicolasnoble/grpc,geffzhang/grpc,kriswuollett/grpc,muxi/grpc,chrisdunelm/grpc,vsco/grpc,ejona86/grpc,muxi/grpc,carl-mastrangelo/grpc,dgquintas/grpc,stanley-cheung/grpc,matt-kwong/grpc,makdharma/grpc,deepaklukose/grpc,ctiller/grpc,adelez/grpc,Vizerai/grpc,grpc/grpc,Vizerai/grpc,PeterFaiman/ruby-grpc-minimal,msmania/grpc,mehrdada/grpc,firebase/grpc,dgquintas/grpc,dgquintas/grpc,yongni/grpc,carl-mastrangelo/grpc,Crevil/grpc,hstefan/grpc,makdharma/grpc,sreecha/grpc,jtattermusch/grpc,firebase/grpc,kskalski/grpc,chrisdunelm/grpc,fuchsia-mirror/third_party-grpc,pszemus/grpc,nicolasnoble/grpc,7anner/grpc,yang-g/grpc,baylabs/grpc,zhimingxie/grpc,muxi/grpc,baylabs/grpc,royalharsh/grpc,kpayson64/grpc,mehrdada/grpc,geffzhang/grpc,donnadionne/grpc,ejona86/grpc,adelez/grpc,zhimingxie/grpc,nicolasnoble/grpc,fuchsia-mirror/third_party-grpc,yongni/grpc,nicolasnoble/grpc,msmania/grpc,ncteisen/grpc,yongni/grpc,7anner/grpc,yongni/grpc,muxi/grpc,pszemus/grpc,makdharma/grpc,royalharsh/grpc,wcevans/grpc,jboeuf/grpc,kpayson64/grpc,jboeuf/grpc,quizlet/grpc,makdharma/grpc,dgquintas/grpc,carl-mastrangelo/grpc,quizlet/grpc,PeterFaiman/ruby-grpc-minimal,carl-mastrangelo/grpc,zhimingxie/grpc,jboeuf/grpc,7anner/grpc,PeterFaiman/ruby-grpc-minimal,thinkerou/grpc,grpc/grpc,deepaklukose/grpc,philcleveland/grpc,wcevans/grpc,pszemus/grpc,Vizerai/grpc,adelez/grpc,zhimingxie/grpc,dgquintas/grpc,kriswuollett/grpc,jtattermusch/grpc,chrisdunelm/grpc,firebase/grpc,jtattermusch/grpc,chrisdunelm/grpc,murgatroid99/grpc,donnadionne/grpc,deepaklukose/grpc,7anner/grpc,stanley-cheung/grpc,wcevans/grpc,murgatroid99/grpc,philcleveland/grpc,yang-g/grpc,carl-mastrangelo/grpc,msmania/grpc,baylabs/grpc,PeterFaiman/ruby-grpc-minimal,yongni/grpc,MakMukhi/grpc,yang-g/grpc,kpayson64/grpc,ctiller/grpc,nicolasnoble/grpc,matt-kwong/grpc,chrisdunelm/grpc,grpc/grpc,hstefan/grpc,baylabs/grpc,grpc/grpc,msmania/grpc,PeterFaiman/ruby-grpc-minimal,Vizerai/grpc,ejona86/grpc,kskalski/grpc,jtattermusch/grpc,sreecha/grpc,sreecha/grpc,zhimingxie/grpc,baylabs/grpc,donnadionne/grpc,donnadionne/grpc,mehrdada/grpc,MakMukhi/grpc,fuchsia-mirror/third_party-grpc,Vizerai/grpc,msmania/grpc,vjpai/grpc,philcleveland/grpc,stanley-cheung/grpc,jboeuf/grpc,jtattermusch/grpc,firebase/grpc,makdharma/grpc,7anner/grpc,adelez/grpc,vsco/grpc,daniel-j-born/grpc,PeterFaiman/ruby-grpc-minimal,royalharsh/grpc,adelez/grpc,matt-kwong/grpc,chrisdunelm/grpc,zhimingxie/grpc,kriswuollett/grpc,ipylypiv/grpc,stanley-cheung/grpc,apolcyn/grpc,fuchsia-mirror/third_party-grpc,kumaralokgithub/grpc,thinkerou/grpc,vjpai/grpc,royalharsh/grpc,ipylypiv/grpc,baylabs/grpc,donnadionne/grpc,baylabs/grpc,simonkuang/grpc,jboeuf/grpc,Crevil/grpc,jboeuf/grpc,jtattermusch/grpc,chrisdunelm/grpc,hstefan/grpc,ctiller/grpc,msmania/grpc,sreecha/grpc,vsco/grpc,7anner/grpc,muxi/grpc,firebase/grpc,daniel-j-born/grpc,thinkerou/grpc,matt-kwong/grpc,grpc/grpc,sreecha/grpc,apolcyn/grpc,ipylypiv/grpc,hstefan/grpc,vjpai/grpc,quizlet/grpc,PeterFaiman/ruby-grpc-minimal,philcleveland/grpc,Vizerai/grpc,kpayson64/grpc,geffzhang/grpc,ncteisen/grpc,simonkuang/grpc,adelez/grpc,zhimingxie/grpc,ctiller/grpc,7anner/grpc,apolcyn/grpc,kskalski/grpc,ncteisen/grpc,ejona86/grpc,geffzhang/grpc,yongni/grpc,yang-g/grpc,fuchsia-mirror/third_party-grpc,kskalski/grpc,jboeuf/grpc,murgatroid99/grpc,dgquintas/grpc,ipylypiv/grpc,jtattermusch/grpc,kriswuollett/grpc,daniel-j-born/grpc,matt-kwong/grpc,daniel-j-born/grpc,Crevil/grpc,wcevans/grpc,MakMukhi/grpc,ipylypiv/grpc,simonkuang/grpc,ctiller/grpc,murgatroid99/grpc,sreecha/grpc,quizlet/grpc,thinkerou/grpc,adelez/grpc,murgatroid99/grpc,ncteisen/grpc,ctiller/grpc,pszemus/grpc,royalharsh/grpc,wcevans/grpc,ejona86/grpc,firebase/grpc,ejona86/grpc,muxi/grpc,pszemus/grpc,mehrdada/grpc,donnadionne/grpc