[FIX JENKINS-43218] Fix Fingerprint.toString() (#3910)
[FIX JENKINS-43218] Fix Fingerprint.toString() (#3910)

* [FIX JENKINS-43218] Fix Fingerprint.toString()

1. Fix Fingerprint.toString() method when
   variable usages = null .

Signed-off-by: Mit Naria <8f838539753cee6d135f7ac3286bcb2c5d1b9f2c@gmail.com>

* [FIX JENKINS-43218] Fix Fingerprint.toString()

1. Fix Fingerprint.toString() method when
   variable usages = null .

* [JENKINS-43218] - Retrigger the build after the Java 11 fixes on ci.jenkins.io

jenkinsci/jenkins,pjanouse/jenkins,rsandell/jenkins,DanielWeber/jenkins,rsandell/jenkins,damianszczepanik/jenkins,stephenc/jenkins,damianszczepanik/jenkins,Vlatombe/jenkins,viqueen/jenkins,batmat/jenkins,godfath3r/jenkins,batmat/jenkins,patbos/jenkins,godfath3r/jenkins,stephenc/jenkins,patbos/jenkins,batmat/jenkins,v1v/jenkins,daniel-beck/jenkins,recena/jenkins,bkmeneguello/jenkins,Jochen-A-Fuerbacher/jenkins,pjanouse/jenkins,stephenc/jenkins,ikedam/jenkins,viqueen/jenkins,MarkEWaite/jenkins,DanielWeber/jenkins,Vlatombe/jenkins,recena/jenkins,godfath3r/jenkins,rsandell/jenkins,DanielWeber/jenkins,jenkinsci/jenkins,rsandell/jenkins,rsandell/jenkins,damianszczepanik/jenkins,jenkinsci/jenkins,patbos/jenkins,DanielWeber/jenkins,oleg-nenashev/jenkins,damianszczepanik/jenkins,MarkEWaite/jenkins,stephenc/jenkins,viqueen/jenkins,godfath3r/jenkins,pjanouse/jenkins,ikedam/jenkins,rsandell/jenkins,v1v/jenkins,v1v/jenkins,godfath3r/jenkins,viqueen/jenkins,MarkEWaite/jenkins,Jochen-A-Fuerbacher/jenkins,Jochen-A-Fuerbacher/jenkins,ikedam/jenkins,Vlatombe/jenkins,MarkEWaite/jenkins,Jochen-A-Fuerbacher/jenkins,oleg-nenashev/jenkins,bkmeneguello/jenkins,v1v/jenkins,v1v/jenkins,DanielWeber/jenkins,rsandell/jenkins,MarkEWaite/jenkins,recena/jenkins,patbos/jenkins,stephenc/jenkins,ikedam/jenkins,MarkEWaite/jenkins,DanielWeber/jenkins,Jochen-A-Fuerbacher/jenkins,daniel-beck/jenkins,Vlatombe/jenkins,godfath3r/jenkins,viqueen/jenkins,patbos/jenkins,MarkEWaite/jenkins,bkmeneguello/jenkins,recena/jenkins,MarkEWaite/jenkins,batmat/jenkins,v1v/jenkins,jenkinsci/jenkins,ikedam/jenkins,pjanouse/jenkins,godfath3r/jenkins,Vlatombe/jenkins,daniel-beck/jenkins,ikedam/jenkins,pjanouse/jenkins,Vlatombe/jenkins,bkmeneguello/jenkins,oleg-nenashev/jenkins,jenkinsci/jenkins,oleg-nenashev/jenkins,bkmeneguello/jenkins,jenkinsci/jenkins,viqueen/jenkins,Vlatombe/jenkins,jenkinsci/jenkins,rsandell/jenkins,daniel-beck/jenkins,damianszczepanik/jenkins,daniel-beck/jenkins,pjanouse/jenkins,damianszczepanik/jenkins,patbos/jenkins,bkmeneguello/jenkins,batmat/jenkins,daniel-beck/jenkins,jenkinsci/jenkins,v1v/jenkins,pjanouse/jenkins,batmat/jenkins,Jochen-A-Fuerbacher/jenkins,ikedam/jenkins,ikedam/jenkins,damianszczepanik/jenkins,stephenc/jenkins,oleg-nenashev/jenkins,batmat/jenkins,recena/jenkins,recena/jenkins,stephenc/jenkins,damianszczepanik/jenkins,oleg-nenashev/jenkins,bkmeneguello/jenkins,DanielWeber/jenkins,daniel-beck/jenkins,oleg-nenashev/jenkins,viqueen/jenkins,daniel-beck/jenkins,patbos/jenkins,recena/jenkins,Jochen-A-Fuerbacher/jenkins