GoogleActionsHandler = function GoogleActionsHandler(gladys, serviceId) {
  this.gladys = gladys;
  this.serviceId = serviceId;
  this.usersConnectedGoogleHomeGateway = new Set();
}
@description Add ability to connect to Google Actions.
@param {object} gladys - Gladys instance.
@param {string} serviceId - UUID of the service in DB.
@example
const googleActionsHandler = new GoogleActionsHandler(gladys, serviceId);