perkj f5b2e519b4 Fix stats for encoder target bitrate when target rate is zero.
When the target bitrate is zero, currently  VideoSendStream.Stats.target_media_bitrate_bps show the last set rate before the target was set to zero.

BUG=webrtc::5687 b/29574845

Review-Url: https://codereview.webrtc.org/2122743003
Cr-Commit-Position: refs/heads/master@{#13386}
2016-07-05 15:34:08 +00:00
..
2016-06-16 13:51:40 +00:00
2016-06-13 07:19:53 +00:00