Enable patchset-created for #openstack-state-management channel

Turn back on 'patchset-created' as the number of new changes
have slowed down to a level where not as much noise will
be produced (instead of so much noise it becomes a pain).

Change-Id: I8b54ab0af8018e6d20fdfbf9b5bf9a502d222f04
Merge "Enable patchset-created for #openstack-state-management channel"