Google announced that it is changing its sexual harassment policies a week after nearly 20 thousand worldwide employees staged a walkout . The mass protest followed a New York Times  story saying former senior executive, Andy Rubin, left the company with a million exit package after harassment claims against him were found to be credible. Among the changes, Google CEO Sundar Pichai sent a letter out saying that arbitration in these instances would no longer be mandatory as there would be more transparency in how these complaints are handled, and those who report these issues would get more support. But does all this go far enough to address employee concerns?…