BUG-1718 Fix missing attributes for empty nodes in XmlStremUtils

Change-Id: Ia03352c9c7fec2b5ab5bf72be284b843014ba905
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>
Signed-off-by: Robert Varga <rovarga@cisco.com>
Merge "BUG-1718 Fix missing attributes for empty nodes in XmlStremUtils"