Update XOMHandle.java

Author: anu3990

marklogic-client-api/src/main/java/com/marklogic/client/extra/xom/XOMHandle.java

@@ -45,6 +45,11 @@
  * A XOM Handle represents XML content as a XOM document for reading or writing.
  * You must install the XOM library to use this class.
  */
+/**
+* @deprecated
+* Changed to Gradle.
+*/
+@Deprecated
 public class XOMHandle
   extends BaseHandle<InputStream, OutputStreamSender>
   implements OutputStreamSender, BufferableHandle, ContentHandle<Document>,