[ONOS-3663] Implement control metrics REST API

Change-Id: Ifc901863e55cdd161d704ecd584242786671af87
diff --git a/apps/cpman/app/src/main/java/org/onosproject/cpman/rest/CPManWebApplication.java b/apps/cpman/app/src/main/java/org/onosproject/cpman/rest/CPManWebApplication.java
index 26566f8..fc90e41 100644
--- a/apps/cpman/app/src/main/java/org/onosproject/cpman/rest/CPManWebApplication.java
+++ b/apps/cpman/app/src/main/java/org/onosproject/cpman/rest/CPManWebApplication.java
@@ -26,6 +26,7 @@
 public class CPManWebApplication extends AbstractWebApplication {
     @Override
     public Set<Class<?>> getClasses() {
-        return getClasses(ControlMetricsCollectorWebResource.class);
+        return getClasses(SystemMetricsCollectorWebResource.class,
+                          ControlMetricsWebResource.class);
     }
 }