Fix update check issue in junos_config  (#20182)
Fix update check issue in junos_config  (#20182)

* Fix update check issue in junos_config and required_if enhancement

* Add additional check to update argument which will ensure config
  statement is present.
* Add 'or' condition support in 'required_if'.

* Fix python 2.4 syntax issue

* revert requied_if changes

thaim/ansible,thaim/ansible