Add gson to utils pom

Added gson dependency to utils pom in anticipation of future
reviews.

Change-Id: I1d0e4130083a73d250fe01f0e1a0154c608c6ce6
Issue-ID: POLICY-1428
Signed-off-by: Jim Hahn <jrh3@att.com>
diff --git a/utils/pom.xml b/utils/pom.xml
index f5489ee..3e64f18 100644
--- a/utils/pom.xml
+++ b/utils/pom.xml
@@ -2,7 +2,7 @@
   ============LICENSE_START=======================================================
   ONAP Policy Engine - Common Modules
   ================================================================================
-  Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
+  Copyright (C) 2018-2019 AT&T Intellectual Property. All rights reserved.
   ================================================================================
   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
@@ -33,6 +33,10 @@
 
     <dependencies>
         <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+        </dependency>
+        <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-lang3</artifactId>
         </dependency>