Add option to set properties on images uploaded for tempest tests

As an example, this could be used to set the property "hw_firmware_type: uefi"
for images that require UEFI boot.

Change-Id: Ic1c7061f46b527c87a691b7d9cdee310e5770ae0

tasks/tempest_resources.yml

@@ -65,6 +65,7 @@
         container_format: bare
         disk_format: "{{ item.format }}"
         is_public: True
+        properties: "{{ item.properties | default(omit) }}"
       with_items: "{{ tempest_images }}"
       register: tempest_image_create
       until: tempest_image_create is success