This updates the task in the disable-local-nameserver role to
include disabling the systemd-resolved service, as this causes
the entries we update in /etc/resolv.conf to not be honored as
systemd-resolved will use a different set of files for configuring
the nameservers it uses.
See: https://www.freedesktop.org/software/systemd/man/systemd-resolved.service.html
Change-Id: I68a623b7bcb32037b9eeff2d76c7f2cb317cb7d8
Signed-off-by: Steve Wilkerson <sw5822@att.com>