Register API in segment routing Kryo serializers.

Also use a different builder instance for each map.

Change-Id: Id594ea708d7bc2cfa06d514f50273dd0f8cb45f6

@@ -67,6 +67,11 @@
             <version>${project.version}</version>
         </dependency>
         <dependency>
+            <groupId>org.onosproject</groupId>
+            <artifactId>onos-core-serializers</artifactId>
+            <version>${project.version}</version>
+        </dependency>
+        <dependency>
             <groupId>javax.ws.rs</groupId>
             <artifactId>javax.ws.rs-api</artifactId>
             <version>2.0.1</version>