add create_and_list_volume benchmark

Added create_and_list_volume benchmark.
Config example is below.
{
    "CinderVolumes.create_and_list_volume": [
        {
            "args": {
                "size": 1,
                "detailed": True
            },
            "runner": {
                "type": "continuous",
                "times": 3,
                "active_users": 1
            },
            "context": {
                "users": {
                    "tenants": 1,
                    "users_per_tenant": 1
                }
            }
        }
    ]
}

Change-Id: I8b56a6e9e12cc2801332ba9760a2bc2892112d99