Trivial fix nova's healthchecks

Kolla-ansible upgrade task is calling different
handlers as deploy task and these handlers are
missing healthcheck key. This patch is fixing
this.

Closes-Bug: #1939679
Change-Id: Id83d20bfd89c27ccf70a3a79938f428cdb5d40fc
(cherry picked from commit 85879afc0b)

ansible/roles/nova-cell/tasks/reload.yml

@@ -33,6 +33,7 @@
     privileged: "{{ service.privileged | default(False) }}"
     volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
+    healthcheck: "{{ service.healthcheck | default(omit) }}"
   when:
     - kolla_action == 'upgrade'
     - inventory_hostname in groups[service.group]

ansible/roles/nova/tasks/reload_api.yml

@@ -14,6 +14,7 @@
     privileged: "{{ service.privileged | default(False) }}"
     volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
+    healthcheck: "{{ service.healthcheck | default(omit) }}"
   when:
     - kolla_action == 'upgrade'
     - inventory_hostname in groups[service.group]

ansible/roles/nova/tasks/reload_super_conductor.yml

@@ -14,6 +14,7 @@
     privileged: "{{ service.privileged | default(False) }}"
     volumes: "{{ service.volumes|reject('equalto', '')|list }}"
     dimensions: "{{ service.dimensions }}"
+    healthcheck: "{{ service.healthcheck | default(omit) }}"
   when:
     - kolla_action == 'upgrade'
     - inventory_hostname in groups[service.group]

releasenotes/notes/bug-1939679-a31bc2093a4c0000.yaml

@@ -0,0 +1,5 @@
+---
+fixes:
+  - |
+    Fixes nova's healthchecks when upgrading from previous version.
+    `LP#1939679 <https://launchpad.net/bugs/1939679>`__