This reverts commit 72d41aa6da94dacb8a8464d1abd4ca7d1afffc65. New change made: Do not reset the BWE when the new network route is not ready to send media. BUG= R=pthatcher@webrtc.org, stefan@webrtc.org Review URL: https://codereview.webrtc.org/2041593002 . Cr-Commit-Position: refs/heads/master@{#13280}