Setup OSA security core group

This patch implements a core group for the
openstack-ansible-security repository in order to allow a
service specific set of core reviewers to be added to it.

The openstack-ansible-core team retains its previous voting
capabilities.

Change-Id: I458ca4e1c85d16f4933647e05206cde864274d1a

gerrit/acls/openstack/openstack-ansible-security.config

@@ -0,0 +1,18 @@
+[access "refs/heads/*"]
+abandon = group openstack-ansible-core
+abandon = group openstack-ansible-security-core
+create = group openstack-ansible-release
+label-Code-Review = -2..+2 group openstack-ansible-core
+label-Code-Review = -2..+2 group openstack-ansible-security-core
+label-Workflow = -1..+1 group openstack-ansible-core
+label-Workflow = -1..+1 group openstack-ansible-security-core
+
+[access "refs/tags/*"]
+pushSignedTag = group openstack-ansible-release
+
+[receive]
+requireChangeId = true
+requireContributorAgreement = true
+
+[submit]
+mergeContent = true

gerrit/projects.yaml

@@ -2824,7 +2824,6 @@
   groups:
     - openstack-ansible
   docimpact-group: openstack-ansible
-  acl-config: /home/gerrit2/acls/openstack/openstack-ansible.config
 - project: openstack/openstack-ansible-specs
   description: Design Specifications for OpenStack-Ansible
   groups: