sakal 6bce6ad485 H264BitstreamParser: Log nalu type when parsing slice type fails.
Decreases all parsing failures to a warning because they are not
critical errors. This is a speculative commit to help diagnose
why bots are failing.

BUG=chromium:697795
TBR=stefan@webrtc.org

Review-Url: https://codereview.webrtc.org/2726833005
Cr-Commit-Position: refs/heads/master@{#16966}
2017-03-02 12:34:32 +00:00
..
2017-02-15 10:23:28 +00:00