Once we have make callout to AbstractDOMStoreTreeChangePublisher, also
examine our current state to see if we should report an initial event.
Requires https://git.opendaylight.org/gerrit/18583 in yangtools.
Change-Id: If6ccdb32057d1cf54bfc83888bf1540142c3ec7f Signed-off-by: Robert Varga <rovarga@cisco.com>