Merge "Specify 'become' for all tasks that use kolla_docker module"

ansible/roles/vmtp/tasks/config.yml

ansible/roles/vmtp/tasks/pull.yml

ansible/roles/watcher/handlers/main.yml

ansible/roles/watcher/tasks/bootstrap_service.yml

ansible/roles/watcher/tasks/config.yml

ansible/roles/watcher/tasks/pull.yml

ansible/roles/zookeeper/handlers/main.yml

ansible/roles/zookeeper/tasks/config.yml

ansible/roles/zookeeper/tasks/pull.yml

ansible/roles/zun/handlers/main.yml

ansible/roles/zun/tasks/bootstrap_service.yml

ansible/roles/zun/tasks/config.yml

ansible/roles/zun/tasks/pull.yml