3d31bd65cf
In the existing code, if the server address and the local IP family does not match, we still create a TurnPort and destroy it later. Instead, we could avoid creating it at the beginning. This does not affect the client behavior except for the port creation. BUG= R=deadbeef@webrtc.org, pthatcher@webrtc.org, zhihuang@webrtc.org Review URL: https://codereview.webrtc.org/2206713004 . Cr-Commit-Position: refs/heads/master@{#13720}