[FIXED JENKINS-37189] Only append `?uctest` to http/https update center URLs
[FIXED JENKINS-37189] Only append `?uctest` to http/https update center URLs

- Also fixes to append `&uctest` if the update center URL already contains a query fragment

viqueen/jenkins,Jimilian/jenkins,azweb76/jenkins,Jochen-A-Fuerbacher/jenkins,christ66/jenkins,jpbriend/jenkins,recena/jenkins,azweb76/jenkins,MichaelPranovich/jenkins_sc,rsandell/jenkins,bpzhang/jenkins,hplatou/jenkins,FarmGeek4Life/jenkins,wuwen5/jenkins,dennisjlee/jenkins,hplatou/jenkins,stephenc/jenkins,dariver/jenkins,ikedam/jenkins,ndeloof/jenkins,bpzhang/jenkins,andresrc/jenkins,christ66/jenkins,rlugojr/jenkins,ydubreuil/jenkins,rsandell/jenkins,olivergondza/jenkins,amuniz/jenkins,Ykus/jenkins,vjuranek/jenkins,hplatou/jenkins,FarmGeek4Life/jenkins,andresrc/jenkins,viqueen/jenkins,FarmGeek4Life/jenkins,lilyJi/jenkins,oleg-nenashev/jenkins,ErikVerheul/jenkins,recena/jenkins,oleg-nenashev/jenkins,dariver/jenkins,rsandell/jenkins,sathiya-mit/jenkins,oleg-nenashev/jenkins,rlugojr/jenkins,vjuranek/jenkins,rlugojr/jenkins,tangkun75/jenkins,godfath3r/jenkins,tangkun75/jenkins,ydubreuil/jenkins,godfath3r/jenkins,jenkinsci/jenkins,v1v/jenkins,wuwen5/jenkins,lilyJi/jenkins,dariver/jenkins,godfath3r/jenkins,ydubreuil/jenkins,lilyJi/jenkins,hplatou/jenkins,pjanouse/jenkins,damianszczepanik/jenkins,tfennelly/jenkins,lilyJi/jenkins,ikedam/jenkins,pjanouse/jenkins,Ykus/jenkins,rlugojr/jenkins,sathiya-mit/jenkins,wuwen5/jenkins,Jochen-A-Fuerbacher/jenkins,Ykus/jenkins,azweb76/jenkins,Ykus/jenkins,MichaelPranovich/jenkins_sc,MichaelPranovich/jenkins_sc,recena/jenkins,damianszczepanik/jenkins,aldaris/jenkins,ndeloof/jenkins,andresrc/jenkins,wuwen5/jenkins,andresrc/jenkins,NehemiahMi/jenkins,ErikVerheul/jenkins,kohsuke/hudson,bpzhang/jenkins,protazy/jenkins,recena/jenkins,NehemiahMi/jenkins,kohsuke/hudson,Jimilian/jenkins,gitaccountforprashant/gittest,ErikVerheul/jenkins,andresrc/jenkins,ndeloof/jenkins,recena/jenkins,daniel-beck/jenkins,godfath3r/jenkins,tfennelly/jenkins,protazy/jenkins,tangkun75/jenkins,hplatou/jenkins,damianszczepanik/jenkins,gitaccountforprashant/gittest,vjuranek/jenkins,amuniz/jenkins,Vlatombe/jenkins,NehemiahMi/jenkins,ajshastri/jenkins,escoem/jenkins,Jimilian/jenkins,jenkinsci/jenkins,pjanouse/jenkins,aldaris/jenkins,NehemiahMi/jenkins,bpzhang/jenkins,sathiya-mit/jenkins,olivergondza/jenkins,daniel-beck/jenkins,Jochen-A-Fuerbacher/jenkins,dariver/jenkins,dennisjlee/jenkins,v1v/jenkins,fbelzunc/jenkins,MarkEWaite/jenkins,dennisjlee/jenkins,kohsuke/hudson,Ykus/jenkins,kohsuke/hudson,rsandell/jenkins,MarkEWaite/jenkins,rlugojr/jenkins,bkmeneguello/jenkins,tfennelly/jenkins,kohsuke/hudson,v1v/jenkins,jglick/jenkins,escoem/jenkins,alvarolobato/jenkins,MarkEWaite/jenkins,tangkun75/jenkins,vjuranek/jenkins,FarmGeek4Life/jenkins,fbelzunc/jenkins,amuniz/jenkins,ikedam/jenkins,rsandell/jenkins,ydubreuil/jenkins,Ykus/jenkins,fbelzunc/jenkins,Jochen-A-Fuerbacher/jenkins,ndeloof/jenkins,MichaelPranovich/jenkins_sc,gitaccountforprashant/gittest,stephenc/jenkins,dariver/jenkins,ndeloof/jenkins,v1v/jenkins,rlugojr/jenkins,aldaris/jenkins,pjanouse/jenkins,ajshastri/jenkins,tangkun75/jenkins,daniel-beck/jenkins,vjuranek/jenkins,patbos/jenkins,sathiya-mit/jenkins,FarmGeek4Life/jenkins,bkmeneguello/jenkins,olivergondza/jenkins,jenkinsci/jenkins,gitaccountforprashant/gittest,azweb76/jenkins,v1v/jenkins,escoem/jenkins,oleg-nenashev/jenkins,damianszczepanik/jenkins,MichaelPranovich/jenkins_sc,lilyJi/jenkins,ikedam/jenkins,bkmeneguello/jenkins,jpbriend/jenkins,ydubreuil/jenkins,tangkun75/jenkins,olivergondza/jenkins,azweb76/jenkins,fbelzunc/jenkins,jpbriend/jenkins,ikedam/jenkins,christ66/jenkins,rsandell/jenkins,batmat/jenkins,pjanouse/jenkins,jglick/jenkins,daniel-beck/jenkins,stephenc/jenkins,amuniz/jenkins,pjanouse/jenkins,damianszczepanik/jenkins,Jimilian/jenkins,vjuranek/jenkins,dennisjlee/jenkins,dennisjlee/jenkins,NehemiahMi/jenkins,protazy/jenkins,escoem/jenkins,viqueen/jenkins,patbos/jenkins,v1v/jenkins,ErikVerheul/jenkins,Jochen-A-Fuerbacher/jenkins,Jochen-A-Fuerbacher/jenkins,MarkEWaite/jenkins,lilyJi/jenkins,tfennelly/jenkins,damianszczepanik/jenkins,jpbriend/jenkins,jpbriend/jenkins,andresrc/jenkins,bkmeneguello/jenkins,MarkEWaite/jenkins,Jimilian/jenkins,patbos/jenkins,kohsuke/hudson,jglick/jenkins,MarkEWaite/jenkins,DanielWeber/jenkins,gitaccountforprashant/gittest,andresrc/jenkins,bkmeneguello/jenkins,viqueen/jenkins,stephenc/jenkins,dariver/jenkins,NehemiahMi/jenkins,ikedam/jenkins,dariver/jenkins,Vlatombe/jenkins,escoem/jenkins,DanielWeber/jenkins,jglick/jenkins,godfath3r/jenkins,dennisjlee/jenkins,wuwen5/jenkins,batmat/jenkins,rsandell/jenkins,Vlatombe/jenkins,ydubreuil/jenkins,daniel-beck/jenkins,godfath3r/jenkins,damianszczepanik/jenkins,aldaris/jenkins,batmat/jenkins,lilyJi/jenkins,DanielWeber/jenkins,ikedam/jenkins,protazy/jenkins,viqueen/jenkins,pjanouse/jenkins,NehemiahMi/jenkins,alvarolobato/jenkins,amuniz/jenkins,DanielWeber/jenkins,sathiya-mit/jenkins,ajshastri/jenkins,stephenc/jenkins,stephenc/jenkins,christ66/jenkins,kohsuke/hudson,christ66/jenkins,fbelzunc/jenkins,jenkinsci/jenkins,stephenc/jenkins,patbos/jenkins,batmat/jenkins,ydubreuil/jenkins,v1v/jenkins,azweb76/jenkins,Ykus/jenkins,FarmGeek4Life/jenkins,olivergondza/jenkins,ErikVerheul/jenkins,vjuranek/jenkins,protazy/jenkins,aldaris/jenkins,oleg-nenashev/jenkins,alvarolobato/jenkins,ErikVerheul/jenkins,hplatou/jenkins,MichaelPranovich/jenkins_sc,Vlatombe/jenkins,patbos/jenkins,viqueen/jenkins,bkmeneguello/jenkins,alvarolobato/jenkins,kohsuke/hudson,amuniz/jenkins,ajshastri/jenkins,bkmeneguello/jenkins,ndeloof/jenkins,wuwen5/jenkins,Jimilian/jenkins,ajshastri/jenkins,jglick/jenkins,Vlatombe/jenkins,MarkEWaite/jenkins,jglick/jenkins,azweb76/jenkins,alvarolobato/jenkins,jpbriend/jenkins,oleg-nenashev/jenkins,jenkinsci/jenkins,jglick/jenkins,Vlatombe/jenkins,christ66/jenkins,christ66/jenkins,alvarolobato/jenkins,hplatou/jenkins,bpzhang/jenkins,jenkinsci/jenkins,patbos/jenkins,jenkinsci/jenkins,alvarolobato/jenkins,gitaccountforprashant/gittest,MichaelPranovich/jenkins_sc,batmat/jenkins,batmat/jenkins,rsandell/jenkins,Jochen-A-Fuerbacher/jenkins,daniel-beck/jenkins,daniel-beck/jenkins,DanielWeber/jenkins,bpzhang/jenkins,patbos/jenkins,aldaris/jenkins,DanielWeber/jenkins,aldaris/jenkins,Vlatombe/jenkins,rlugojr/jenkins,olivergondza/jenkins,viqueen/jenkins,sathiya-mit/jenkins,protazy/jenkins,dennisjlee/jenkins,Jimilian/jenkins,gitaccountforprashant/gittest,ndeloof/jenkins,fbelzunc/jenkins,amuniz/jenkins,MarkEWaite/jenkins,damianszczepanik/jenkins,godfath3r/jenkins,tfennelly/jenkins,escoem/jenkins,bpzhang/jenkins,jenkinsci/jenkins,recena/jenkins,FarmGeek4Life/jenkins,DanielWeber/jenkins,tangkun75/jenkins,ajshastri/jenkins,jpbriend/jenkins,olivergondza/jenkins,protazy/jenkins,daniel-beck/jenkins,sathiya-mit/jenkins,ikedam/jenkins,oleg-nenashev/jenkins,fbelzunc/jenkins,batmat/jenkins,escoem/jenkins,tfennelly/jenkins,wuwen5/jenkins,recena/jenkins,tfennelly/jenkins,ajshastri/jenkins,ErikVerheul/jenkins