try to use gradle wrapper to fix build

git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@1866846 13f79535-47bb-0310-9956-ffa450edef68

jenkins/create_jobs.groovy

@@ -350,7 +350,7 @@ poijobs.each { poijob ->
                 shellEx(delegate, shellcmds, poijob)
                 gradle {
                     tasks('japicmp')
-                    useWrapper(false)
+                    useWrapper(true)
                 }
             }
             publishers {