Add connector information to the returned values

I need to know what python library was used. I had a container with
both mysqlclient and pymysql installed and tests used a different
connector that what is advertised by the title of integration tests.
We need to prevent that otherwise our tests are worth nothing.

plugins/module_utils/mysql.py

@@ -34,6 +34,11 @@ mysql_driver_fail_msg = ('A MySQL module is required: for Python 2.7 either PyMy
                          'Consider setting ansible_python_interpreter to use '
                          'the intended Python version.')
 
+mysql_driver_info = {
+    "name": mysql_driver.__name__,
+    "version": mysql_driver.__version__
+}
+
 
 def parse_from_mysql_config_file(cnf):
     # Default values of comment_prefix is '#' and ';'.