To get proper behavior with both the ODL NB config
and Karaf feature config changes notifying sets of handlers,
need to use the same ones when possible. Else, we might
stop ODL, make Karaf changes, start ODL and then restart ODL.
Change-Id: Ib850f0b10a2c625c60d04f72fad4eb68366605d4 Signed-off-by: Daniel Farrell <dfarrell@redhat.com>