Use URL returned by the Jira server

When checking the information about the Jira server, use the returned
Jira URL to build the result message.

Change-Id: If1593a8f3fac0b67ebfe5f33bd3be2b0851139d9
diff --git a/src/main/java/com/googlesource/gerrit/plugins/its/jira/JiraItsFacade.java b/src/main/java/com/googlesource/gerrit/plugins/its/jira/JiraItsFacade.java
index 79e65a6..e94d90e 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/its/jira/JiraItsFacade.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/its/jira/JiraItsFacade.java
@@ -176,7 +176,7 @@
         "{\"status\"=\"ok\",\"system\"=\"Jira\",\"version\"=\""
             + info.getVersion()
             + "\",\"url\"=\""
-            + getUrl()
+            + info.getBaseUri()
             + "\",\"build\"=\""
             + info.getBuildNumber()
             + "\"}";