Replace the OVN Metadata agent with the OVN agent

The OVN Metadata agent is replaced in any CI job with the OVN
agent. This is an incremental step on the deprecation of the
OVN Metadata agent.

Related-Bug: #2112313
Signed-off-by: Rodolfo Alonso Hernandez <ralonsoh@redhat.com>
Change-Id: I5e962c3b338647c3d5856cf23e9e137fdff65e70

zuul.d/master_jobs.yaml

@@ -271,6 +271,7 @@
         - vlan-transparent
       devstack_localrc:
         Q_AGENT: ovn
+        OVN_AGENT_EXTENSIONS: 'metadata'
         NETWORK_API_EXTENSIONS: "{{ (network_api_extensions_common + network_api_extensions_ovn) | join(',') }}"
         # NOTE(ralonsoh): during the eventlet removal, the "logger" mech
         # driver has been removed from this list. Re-add it once the removal
@@ -287,7 +288,8 @@
       devstack_services:
         br-ex-tcpdump: true
         br-int-flows: true
-        q-ovn-metadata-agent: true
+        q-ovn-metadata-agent: false
+        q-ovn-agent: true
         ovn-controller: true
         ovn-northd: true
         ovs-vswitchd: true
@@ -352,7 +354,8 @@
           q-l3: false
           q-meta: false
           q-metering: false
-          q-ovn-metadata-agent: true
+          q-ovn-metadata-agent: false
+          q-ovn-agent: true
           tls-proxy: true
           dstat: true
         devstack_localrc: