grpc_session_attr_initialize_with_object_handle_np - Initializes session attributes with object handle.
  grpc_error_t grpc_session_attr_initialize_with_object_handle_np(grpc_object_handle_t_np *handle, grpc_session_attr_t_np *attr)
  grpc_object_handle_t_np *handle  grpc_session_attr_t_np *attrThe grpc_session_attr_initialize_with_object_handle_np() function initializes session attributes.
This function is MT-safe.
If successful, GRPC_NO_ERROR is returned. In the case of an error, Error code is returned.
  GRPC_NOT_INITIALIZED   GRPC_INVALID_OBJECT_HANDLE_NP  GRPC_OTHER_ERROR_CODE