Add aodh checking to port_checks.yml

TrivialFix

Change-Id: I5c9cb7a142baaa398efb215db7b74b32c392dae0

ansible/roles/prechecks/tasks/port_checks.yml

 ---
+- name: Checking free port for Aodh API
+  wait_for:
+    host: "{{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}"
+    port: "{{ aodh_api_port }}"
+    connect_timeout: 1
+    state: stopped
+  when: inventory_hostname in groups['aodh-api']
+
+- name: Checking free port for Aodh API HAProxy
+  wait_for:
+    host: "{{ kolla_internal_vip_address }}"
+    port: "{{ aodh_api_port }}"
+    connect_timeout: 1
+    state: stopped
+  when: inventory_hostname in groups['haproxy']
+
 - name: Checking free port for Barbican API
   wait_for:
     host: "{{ hostvars[inventory_hostname]['ansible_' + api_interface]['ipv4']['address'] }}"