Quickfix: Changed used feature to odl-aaa-netconf-plugin

AAA project renamed their netconf related feature without
introducing proper patchset into controller. This fixes
features.xml to reference properly new feature.

Change-Id: Ic0d512804a87f20f058462541cd061f83a8f52e7
Signed-off-by: Tony Tkacik <ttkacik@cisco.com>