Reason for revert: It turns out this revert was not necessary because the connection-state mapping for turn-turn connections was not done in connection. Original issue's description: > Revert of Revert "Revert of Update the BWE when the network route changes. (patchset #5 id:180001 of https://… (patchset #5 id:120001 of https://codereview.webrtc.org/2041593002/ ) > > Reason for revert: > ReadyToSendMedia did not consider the new presumed_writable state. > > Original issue's description: > > Revert "Revert of Update the BWE when the network route changes. (patchset #5 id:180001 of https://codereview.webrtc.org/2000063003/ )" > > > > 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 > > TBR=pthatcher@webrtc.org,stefan@webrtc.org NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true BUG= Review-Url: https://codereview.webrtc.org/2094863003 Cr-Commit-Position: refs/heads/master@{#13282}