8072379: Implement jdk.Version

Reviewed-by: alanb
diff --git a/modules.xml b/modules.xml
index 9aca06b..c07b5a0 100644
--- a/modules.xml
+++ b/modules.xml
@@ -205,6 +205,9 @@
       <name>javax.security.cert</name>
     </export>
     <export>
+      <name>jdk</name>
+    </export>
+    <export>
       <name>jdk.net</name>
     </export>
     <export>