Binary yang type handling. Conv byte[] to Base 64

Change-Id: Iba628f4c8841e6e7842e5812b51881448c39a655
diff --git a/runtime/src/test/resources/schemaProviderTestYangFiles/rpc_test.yang b/runtime/src/test/resources/schemaProviderTestYangFiles/rpc_test.yang
index fdd4a43..1825b2d 100644
--- a/runtime/src/test/resources/schemaProviderTestYangFiles/rpc_test.yang
+++ b/runtime/src/test/resources/schemaProviderTestYangFiles/rpc_test.yang
@@ -24,13 +24,13 @@
     rpc hello-second {
         input {
             leaf x {
-                type string;
+                type binary;
             }
         }
 
         output {
             leaf greeting {
-                type string;
+                type binary;
             }
         }
     }