Fix receiving FlexFEC in video_loopback.

Fix receiving FlexFEC in video_loopback.

BUG=webrtc:5654
Review-Url: https://codereview.webrtc.org/2965503006
Cr-Commit-Position: refs/heads/master@{#18847}
Committed: https://chromium.googlesource.com/external/webrtc/+/cb8f045d9f0b71e2ed53d04fa8ae01278fe299ea

[brandtr, 2017-06-30 08:00:12]

brandtr@webrtc.org changed reviewers:
+ asapersson@webrtc.org

[åsapersson, 2017-06-30 09:10:34]

lgtm

[brandtr_google, 2017-06-30 09:11:31]

The CQ bit was checked by brandtr@google.com

[commit-bot: I haz the power, 2017-06-30 09:11:36]

CQ is trying da patch.

Follow status at:
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.webrtc.org/...

[commit-bot: I haz the power, 2017-06-30 09:34:21]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1498813891649100, "parent_rev":
"5f8b04d53a41621f4a091d19c0e35801de9a0423", "commit_rev":
"cb8f045d9f0b71e2ed53d04fa8ae01278fe299ea"}

[commit-bot: I haz the power, 2017-06-30 09:34:26]

Description was changed from

==========
Fix receiving FlexFEC in video_loopback.

BUG=webrtc:5654
==========

to

==========
Fix receiving FlexFEC in video_loopback.

BUG=webrtc:5654

Review-Url: https://codereview.webrtc.org/2965503006
Cr-Commit-Position: refs/heads/master@{#18847}
Committed:
https://chromium.googlesource.com/external/webrtc/+/cb8f045d9f0b71e2ed53d04fa...
==========

[commit-bot: I haz the power, 2017-06-30 09:34:27]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/cb8f045d9f0b71e2ed53d04fa...