ONOS-3323 gRPC implementation of Remote Service

- Start modelling Device related service (ONOS-3306)
- exclude machine generated code from doc

Change-Id: Idffbcd883f813de79c6f05fedc9475f308efcc31
diff --git a/docs/internal.xml b/docs/internal.xml
index e0ba360..d1525aa 100644
--- a/docs/internal.xml
+++ b/docs/internal.xml
@@ -51,8 +51,11 @@
                     <show>package</show>
                     <docfilessubdirs>true</docfilessubdirs>
                     <doctitle>ONOS Java API (1.4.0-SNAPSHOT)</doctitle>
-                    <excludePackageNames>@internal-excludes
-                    </excludePackageNames>
+                    <excludePackageNames>@internal-excludes</excludePackageNames>
+                    <sourceFileExcludes>
+                        <sourceFileExclude>**/generated-sources/**</sourceFileExclude>
+                    </sourceFileExcludes>
+
                     <groups>
                         <group>
                             <title>Network Model &amp; Services</title>