asapersson 8d75ac7e3f Add stats for forced software encoder fallback for VP8.
Stats added for number of forced SW fallback changes per minute and percentage of time fallback is enabled for sent video streams:

- "WebRTC.Video.Encoder.ForcedSwFallbackChangesPerMinute.Vp8"
- "WebRTC.Video.Encoder.ForcedSwFallbackTimeInPercent.Vp8"

BUG=webrtc:6634

Review-Url: https://codereview.webrtc.org/3012863002
Cr-Commit-Position: refs/heads/master@{#19862}
2017-09-15 13:41:15 +00:00
..