The previous patch[1] that added a check for Amphora status missed
adding a task that generates the Amphora status information when a
listener is updated.
This patch corrects that by adding the AmphoraeGetConnectivityStatus
task to the firewall rules subflow.
[1] https://review.opendev.org/c/openstack/octavia/+/912599
Change-Id: I325de85b03080db646da847b58c15c3fbbdc6be2