Add ACLs back for oslo.context

Gerrit's ACLs for oslo.context were still pointing at the oslo-incubator
ACLs which are now read only. Give oslo.context its own ACL file with
standard oslo permissions.

Change-Id: Ie6ad387d68dbf2cff3419eaa6b4de0f147ac9658

gerrit/acls/openstack/oslo.context.config

@@ -0,0 +1,19 @@
+[access "refs/heads/*"]
+abandon = group oslo-core
+label-Code-Review = -2..+2 group oslo-core
+label-Workflow = -1..+1 group oslo-core
+
+[access "refs/heads/stable/*"]
+abandon = group stable-maint-core
+label-Code-Review = -2..+2 group stable-maint-core
+label-Workflow = -1..+1 group stable-maint-core
+
+[access "refs/tags/*"]
+pushSignedTag = group library-release
+
+[receive]
+requireChangeId = true
+requireContributorAgreement = true
+
+[submit]
+mergeContent = true

gerrit/projects.yaml

@@ -2993,7 +2993,6 @@
   description: OpenStack Context library
   groups:
     - oslo
-  acl-config: /home/gerrit2/acls/openstack/oslo-incubator.config
 - project: openstack/oslo.db
   description: OpenStack Common DB Code
   groups: