Replace usage of `com.google.common.collect.HashMultimap` with native Java equivalent (#5541)
Replace usage of `com.google.common.collect.HashMultimap` with native Java equivalent (#5541)


v1v/jenkins,v1v/jenkins,pjanouse/jenkins,ikedam/jenkins,viqueen/jenkins,rsandell/jenkins,rsandell/jenkins,jenkinsci/jenkins,pjanouse/jenkins,rsandell/jenkins,jenkinsci/jenkins,pjanouse/jenkins,ikedam/jenkins,viqueen/jenkins,MarkEWaite/jenkins,rsandell/jenkins,viqueen/jenkins,ikedam/jenkins,damianszczepanik/jenkins,daniel-beck/jenkins,pjanouse/jenkins,damianszczepanik/jenkins,v1v/jenkins,jenkinsci/jenkins,viqueen/jenkins,viqueen/jenkins,daniel-beck/jenkins,MarkEWaite/jenkins,jenkinsci/jenkins,jenkinsci/jenkins,pjanouse/jenkins,MarkEWaite/jenkins,ikedam/jenkins,viqueen/jenkins,daniel-beck/jenkins,ikedam/jenkins,rsandell/jenkins,ikedam/jenkins,daniel-beck/jenkins,damianszczepanik/jenkins,MarkEWaite/jenkins,damianszczepanik/jenkins,MarkEWaite/jenkins,rsandell/jenkins,rsandell/jenkins,MarkEWaite/jenkins,daniel-beck/jenkins,rsandell/jenkins,v1v/jenkins,v1v/jenkins,jenkinsci/jenkins,damianszczepanik/jenkins,daniel-beck/jenkins,pjanouse/jenkins,MarkEWaite/jenkins,daniel-beck/jenkins,pjanouse/jenkins,v1v/jenkins,jenkinsci/jenkins,damianszczepanik/jenkins,viqueen/jenkins,jenkinsci/jenkins,MarkEWaite/jenkins,v1v/jenkins,damianszczepanik/jenkins,ikedam/jenkins,damianszczepanik/jenkins,ikedam/jenkins,daniel-beck/jenkins