For American audiences, the Netflix documentary American Factory reveals the life of US workers on Chinese-owned production lines.  But for Chinese audiences, the film serves as a reminder of the human costs behind China’s rise as a manufacturing superpower.  The film, backed by Barack and Michelle Obama’s new production company, documents how Chinese auto-glass company Fuyao built a factory near Dayton, Ohio, where thousands of workers were laid off when General Motors closed its plant in…