Merge pull request #3786 from cpennington/dont-clobber-play-tag

The CD infrastructure shouldn't clobber the tag added by the underlyi…

playbooks/continuous_delivery/create_ami.yml

@@ -67,7 +67,7 @@
       description: "AMI built via edX continuous delivery pipeline - Ansible version: {{ ansible_version }}"
       # used a JSON object here as there is a string interpolation in the keys.
       tags: "{
-                'version:{{ play }}':'{{ app_repo }} {{ app_version }}',
+                'version:{{ play }}-expected':'{{ app_repo }} {{ app_version }}',
                 'play':'{{ play }}',
                 'cache_id':'{{ cache_id }}',
                 'environment':'{{ edx_environment }}',