Only lookup review server '/ssh_info' once per repo process
Only lookup review server '/ssh_info' once per repo process

If the user has multiple projects to upload changes to, and they
are all going to the same review server, we only need to query the
'/ssh_info' data once.

Signed-off-by: Shawn O. Pearce <f3ea74d906fa9fe97c1fef6bad9cb871485c7045@google.com>

muzili/repo,lightsofapollo/git-repo,nbp/git-repo,GatorQue/git-repo-flow,yath/repo,bestes/repo,ThangBK2009/android-source-browsing.git-repo,fantasyfly/git-repo,armpc/repo,yanjiegit/andriod-repo,luoqii/android_repo_copy,fantasyfly/git-repo,dsiganos/git-repo,testbetta/repo-pub,luoqii/repo,dsiganos/git-repo,nickpith/git-repo,petemoore/git-repo,MIPS/repo,HenningSchroeder/git-repo,bhargavkumar040/android-source-browsing.git-repo,flingone/git-repo,couchbasedeps/git-repo,linuxdeepin/git-repo,chenyun90323/git-repo,biaolv/git-repo,RuanJG/git-repo,lifuzu/repo,folpindo/git-repo,cubieboard/git-repo,idwanglu2010/git-repo,weixiaodong/git-repo,la4430/repo,abstrakraft/repo,posix4e/git-repo,ediTLJ/git-repo,enochcheng/git-repo,hyper123/git-repo,zemug/repo,vmx/git-repo,AurelienBallier/git-repo,gbraad/git-repo,eric011/git-repo,mozilla/git-repo,yanjiegit/jiangxin-repo,alayi/repo,linux-knight/repo,xhteam/git-repo,rewu/git-repo,COrtegaflowcorp/git-repo,dsiganos/git-repo,xecle/git-repo,chusiang/git-repo,frogbywyplay/git-repo,ericmckean/git-repo,mixedpuppy/git-repo,GerritCodeReview/git-repo,ceejatec/git-repo,CedricCabessa/repo,chenzilin/git-repo,demonyangyue/git-repo,frogbywyplay/git-repo,aosp-mirror/tools_repo,artprogramming/git-repo,liaog/git-repo,mohankr/echoes_tools_repo,kdavis-mozilla/repo-repo,loungin/git-repo,jangle789/git-repo,Mioze7Ae/android_tools_repo,lifuzu/repo,HenningSchroeder/git-repo,urras/git-repo,hanw/git-repo,nickpith/git-repo,llg84/google_repo,lshain/repo,MIPS/repo,chusiang/git-repo,rewu/git-repo,luohongzhen/git-repo,mer-tools/git-repo,Copypeng/git-repo,ceejatec/git-repo,lipro-yocto/git-repo,cupcicm/git-repo,loungin/git-repo,nbp/git-repo,venus-solar/git-repo,xxxrac/git-repo,luohongzhen/git-repo,cubieboard/git-repo,masscre/git-repo,qupai/git-repo,mohankr/echoes_tools_repo,SaleJumper/android-source-browsing.git-repo,yanjiegit/jiangxin-repo,xecle/git-repo,LA-Toth/git-repo,armpc/repo,zemug/repo,COrtegaflowcorp/git-repo,yanjiegit/jiangxin-repo,lewixliu/git-repo,FuangCao/git-repo,DavidPu/git-repo,4455jkjh/repo,mer-tools/git-repo,luoqii/android_repo_copy,codetutil/git-repo,SaleJumper/android-source-browsing.git-repo,ox-it/wl-repo,luoqii/repo,duralog/repo,nucked/git-repo,eric011/git-repo,jcfrank/myrepo,ossxp-com/repo,folpindo/git-repo,zbunix/git-repo,lovesecho/xrepo,jcarlson23/repo,sb2008/git-repo,LA-Toth/git-repo,Fr4ncky/git-repo,ChronoMonochrome/repo,hisilicon/git-repo,wzhy90/git-repo,Pivosgroup/google-git-repo,zbunix/git-repo,xin3liang/tools_repo,alessandro-aglietti/git-repo,codetutil/git-repo,windyan/git-repo,dodocat/git-repo,sapiippo/git-repo,josn-jys/git-repo,zodsoft/git-repo,slfyusufu/repo,ossxp-com/repo,hacker-camp/google_repo,Omnifarious/git-repo,Omnifarious/git-repo,ossxp-com/repo,Omnifarious/git-repo,derron/git-repo,lygstate/repo,ericmckean/git-repo,urras/git-repo,nuclearmistake/repo,opencontrail-ci-admin/git-repo,qingpingguo/git-repo,esingdo/tools-repo,slfyusufu/repo,lanniaoershi/git-repo,lightsofapollo/git-repo,xyyangkun/git-repo,RuanJG/git-repo,xianyo/git-repo,lchiocca/repo,xxxrac/git-repo,cupcicm/git-repo,Pankaj-Sakariya/android-source-browsing.git-repo,opensourcechipspark/repo,venus-solar/git-repo,baidurom/repo,sramaswamy/repo,djibi2/git-repo,wzhy90/git-repo,azzurris/git-repo,daimajia/git-repo,chzhong/git-repo,finik/git-repo,lchiocca/repo,SunRain/repo,duralog/repo,CedricCabessa/repo,simbasailor/git-repo,hejq0310/git-repo,ibollen/repo,Mioze7Ae/android_tools_repo,baidurom/repo,yath/repo,hyper123/git-repo,GatorQue/git-repo-flow,chenyun90323/git-repo,lipro-yocto/git-repo,josn-jys/git-repo,sramaswamy/repo,opencontrail-ci-admin/git-repo,bestes/repo,todototry/git-repo,darrengarvey/git-repo,xianyo/git-repo,couchbasedeps/git-repo,darrengarvey/git-repo,simbasailor/git-repo,jmollan/git-repo,xin3liang/tools_repo,SunRain/repo,ox-it/wl-repo,eligoenergy/git-repo,CyanogenMod/tools_repo,jpzhu/git-repo,enochcheng/git-repo,hacker-camp/google_repo,petemoore/git-repo,jingyu/git-repo,gbraad/git-repo,nuclearmistake/repo,dinpot/git-repo,FlymeOS/repo,zodsoft/git-repo,djibi2/git-repo,opensourcechipspark/repo,yanjiegit/andriod-repo,qioixiy/git-repo,amersons/git-repo,chenzilin/git-repo,jcfrank/myrepo,crashkita/git-repo,CedricCabessa/repo,4455jkjh/repo,11NJ/git-repo,vmx/git-repo,azzurris/git-repo,ibollen/repo,crashkita/git-repo,ChronoMonochrome/repo,alanbian/git-repo,aep/repo,finik/git-repo,xin3liang/git-repo,alessandro-aglietti/git-repo,lanniaoershi/git-repo,MonkeyZZZZ/tools_repo,yrchen/repo,zbunix/git-repo,ilansmith/repo,hackbutty/git-repo,lovesecho/xrepo,todototry/git-repo,finik/git-repo,linuxdeepin/git-repo,qupai/git-repo,idwanglu2010/git-repo,lygstate/repo,DavidPu/git-repo,sndnvaps/git_repo,hanchentech/git-repo,aep/repo,sndnvaps/git_repo,FlymeOS/repo,biaolv/git-repo,AurelienBallier/git-repo,daimajia/git-repo,mixedpuppy/git-repo,jmollan/git-repo,IbpTeam/repo,muzili/repo,eligoenergy/git-repo,artprogramming/git-repo,lshain/repo,xhteam/git-repo,ThangBK2009/android-source-browsing.git-repo,Jokebin/git-repo,jangle789/git-repo,dinpot/git-repo,11NJ/git-repo,posix4e/git-repo,Jokebin/git-repo,ronan22/repo,sb2008/git-repo,Fr4ncky/git-repo,caicry/android.repo,aosp-mirror/tools_repo,testbetta/repo-pub,TheQtCompany/git-repo,esingdo/tools-repo,xyyangkun/git-repo,WanZheng/repo,hejq0310/git-repo,GerritCodeReview/git-repo,la4430/repo,dodocat/git-repo,amersons/git-repo,jingyu/git-repo,chzhong/git-repo,linux-knight/repo,qioixiy/git-repo,MonkeyZZZZ/tools_repo,liaog/git-repo,lewixliu/git-repo,alayi/repo,flingone/git-repo,kangear/git-repo,jcarlson23/repo,FuangCao/repo,kangear/git-repo,rochy2014/repo,Pivosgroup/google-git-repo,rochy2014/repo,ilansmith/repo,hanw/git-repo,CyanogenMod/tools_repo,linux-knight/repo,yrchen/repo,gabbayo/git-repo,xin3liang/git-repo,IbpTeam/repo,bhargavkumar040/android-source-browsing.git-repo,hisilicon/git-repo,lovesecho/xrepo,testbetta/git-repo-pub,wavecomp/git-repo,wavecomp/git-repo,martinjina/git-repo,windyan/git-repo,FuangCao/repo,ronan22/repo,testbetta/git-repo-pub,jpzhu/git-repo,qingpingguo/git-repo,hackbutty/git-repo,llg84/google_repo,sapiippo/git-repo,yanjiegit/andriod-repo,nucked/git-repo,WanZheng/repo,masscre/git-repo,FuangCao/git-repo,TheQtCompany/git-repo,Pankaj-Sakariya/android-source-browsing.git-repo,aep/repo,hanchentech/git-repo,gabbayo/git-repo,caicry/android.repo,kdavis-mozilla/repo-repo,cubieboard/git-repo,derron/git-repo,Copypeng/git-repo,lifuzu/repo,weixiaodong/git-repo,iAlios/git-repo,mozilla/git-repo,alanbian/git-repo,martinjina/git-repo,iAlios/git-repo,demonyangyue/git-repo,ediTLJ/git-repo