[ONOS-2633]modify the bug of ParamUtil class.
When for transact operation issued by the configuration, the string of
params should not have '[]', but there is '[]'.

Change-Id: Ia93282fbe30b6d72e00fd1fb1d66d9f5076859c8
diff --git a/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/utils/ParamUtil.java b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/utils/ParamUtil.java
index 8fbbf42..fd62581 100644
--- a/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/utils/ParamUtil.java
+++ b/ovsdb/rfc/src/main/java/org/onosproject/ovsdb/rfc/utils/ParamUtil.java
@@ -79,6 +79,8 @@
      * @return List of Object, the params of transact request

      */

     public static List<Object> getTransactParams(DatabaseSchema dbSchema, List<Operation> operations) {

-        return Lists.newArrayList(dbSchema.name(), operations);

+        List<Object> lists = Lists.newArrayList(dbSchema.name());

+        lists.addAll(operations);

+        return lists;

     }

 }