Zookeeper agent code is incorrectly calling stack_select (hdp-select) when it should not be. hdp_select and conf_select should only be executed during RU/EU. This Jira should cover the following areas:
- Ensure that hdp-/conf-select are only invoked during an actual upgrade as to not interfere with HOST_ORDERED upgrade commands.
- Add the HOST_ORDERED upgrade type to commands so that ZK knows when to invoke hdp-/conf-select.