MAP: Return OBEX_HTTP_NOT_IMPLEMENTED for msgUpdate for sms/mms

In MAP profile message update is not implemented for sms/mms.
bug 17723738

Change-Id: I6c7baaf9e6f54e7af1b6c8458a6a458239da7d10

src/com/android/bluetooth/map/BluetoothMapObexServer.java

@@ -427,7 +427,7 @@ public class BluetoothMapObexServer extends ServerRequestHandler {
             }
         }
 
-        return ResponseCodes.OBEX_HTTP_OK;
+        return ResponseCodes.OBEX_HTTP_NOT_IMPLEMENTED;
     }
 
      private BluetoothMapFolderElement getFolderElementFromName(String folderName) {