ONOS-1058 - Add application Id to intent withdraw command

Change-Id: I6f660f2e115e4acc9d3c7d1ab2e2115caaf1822f
diff --git a/core/net/src/main/java/org/onosproject/core/impl/CoreManager.java b/core/net/src/main/java/org/onosproject/core/impl/CoreManager.java
index e3484ec..a592801 100644
--- a/core/net/src/main/java/org/onosproject/core/impl/CoreManager.java
+++ b/core/net/src/main/java/org/onosproject/core/impl/CoreManager.java
@@ -74,6 +74,12 @@
     }
 
     @Override
+    public ApplicationId getAppId(String name) {
+        return applicationIdStore.getAppId(name);
+    }
+
+
+    @Override
     public ApplicationId registerApplication(String name) {
         checkNotNull(name, "Application ID cannot be null");
         return applicationIdStore.registerApplication(name);