[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

(cherry picked from commit b1e7c1bf62132b24cc063ae5faa2c49bbb74d71b)

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