php: use ssl hostname_override as auth audience uri if present
php: use ssl hostname_override as auth audience uri if present

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