Add its-jira configuration to the new PolyGerrit UI This change adds the missing configuration fields for its-jira for Gerrit 2.16. The uploadvalidator plugin was used as an example to come up with the new files which add the configuration to the new PolyGerrit UI. Feature: Issue 11319 Change-Id: I87c9da2838ac0ff0202a06b07a3dc446eafff25b