Updates security group rule for latest sdk

- Update docs
- Change calls from cloud to proxy layer
- Make sure return value is a dict
- Improve test coverage

Change-Id: I857d7ba7b7ca1b23100ee7e85e90e98430d68462

ci/roles/security_group/defaults/main.yml

@@ -1 +1,20 @@
+expected_fields:
+  - created_at
+  - description
+  - direction
+  - ether_type
+  - id
+  - name
+  - port_range_max
+  - port_range_min
+  - project_id
+  - protocol
+  - remote_address_group_id
+  - remote_group_id
+  - remote_ip_prefix
+  - revision_number
+  - security_group_id
+  - tags
+  - tenant_id
+  - updated_at
 secgroup_name: shade_secgroup