Add TODO.

Author: tecarter94

java-components/domain-proxy/common/src/main/java/com/redhat/hacbs/domainproxy/common/CommonIOUtil.java

@@ -80,7 +80,7 @@ public static Runnable createChannelToSocketWriter(final int byteBufferSize, fin
     }
 
     private static void closeSocketAndChannel(final Socket socket, final SocketChannel channel) {
-        synchronized (CLOSE_LOCK) {
+        synchronized (CLOSE_LOCK) { // TODO is this necessary?
             try {
                 if (channel != null && channel.isOpen()) {
                     channel.close();