Move build method to each control msg, realize createBuilder method

Change-Id: Iff9e60cc5f929e031b0d927e0bdc08fed826e0db
diff --git a/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/DefaultLispMapReply.java b/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/DefaultLispMapReply.java
index 94322e1..f2a5689 100644
--- a/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/DefaultLispMapReply.java
+++ b/protocols/lisp/msg/src/main/java/org/onosproject/lisp/msg/protocols/DefaultLispMapReply.java
@@ -58,7 +58,7 @@
 
     @Override
     public Builder createBuilder() {
-        return null;
+        return new DefaultReplyBuilder();
     }
 
     @Override
@@ -130,7 +130,7 @@
         }
 
         @Override
-        public LispMessage build() {
+        public LispMapReply build() {
             return new DefaultLispMapReply(nonce, recordCount, probe, etr, security);
         }
     }