Update Packet::GetHeader() to copy playout_delay

Update Packet::GetHeader() to copy playout_delay

Packet::GetHeader() wasn't copying playout_delay. As result
playout_delay was ignored when flexfec is enabled.

Patch by Rob McCool <rmccool@google.com>;

BUG=webrtc:7590
Review-Url: https://codereview.webrtc.org/2899553003
Cr-Commit-Position: refs/heads/master@{#18218}
Committed: https://chromium.googlesource.com/external/webrtc/+/b2c001a79542050d69fa916199f51d5d98626f21

[Sergey Ulanov, 2017-05-20 19:48:55]

sergeyu@chromium.org changed reviewers:
+ danilchap@webrtc.org

[Sergey Ulanov, 2017-05-20 19:49:12]

Description was changed from

==========
Update Packet::GetHeader() to copy playout_delay

Packet::GetHeader() wasn't copying playout_delay. As result
playout_delay was ignored when flexfec is enabled.

Patch by Rob McCool <rmccool@google.com>

BUG=webrtc:7590
==========

to

==========
Update Packet::GetHeader() to copy playout_delay

Packet::GetHeader() wasn't copying playout_delay. As result
playout_delay was ignored when flexfec is enabled.

Patch by Rob McCool <rmccool@google.com>

BUG=webrtc:7590
==========

[danilchap, 2017-05-20 20:53:49]

lgtm

[danilchap, 2017-05-20 20:54:51]

The CQ bit was checked by danilchap@webrtc.org

[commit-bot: I haz the power, 2017-05-20 20:54:55]

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, 2017-05-20 21:16:53]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1495313691862690, "parent_rev":
"f816493c4f6b016b66ef40fb6b9f59f71ed8c8ea", "commit_rev":
"b2c001a79542050d69fa916199f51d5d98626f21"}

[commit-bot: I haz the power, 2017-05-20 21:16:57]

Description was changed from

==========
Update Packet::GetHeader() to copy playout_delay

Packet::GetHeader() wasn't copying playout_delay. As result
playout_delay was ignored when flexfec is enabled.

Patch by Rob McCool <rmccool@google.com>

BUG=webrtc:7590
==========

to

==========
Update Packet::GetHeader() to copy playout_delay

Packet::GetHeader() wasn't copying playout_delay. As result
playout_delay was ignored when flexfec is enabled.

Patch by Rob McCool <rmccool@google.com>

BUG=webrtc:7590

Review-Url: https://codereview.webrtc.org/2899553003
Cr-Commit-Position: refs/heads/master@{#18218}
Committed:
https://chromium.googlesource.com/external/webrtc/+/b2c001a79542050d69fa91619...
==========

[commit-bot: I haz the power, 2017-05-20 21:16:58]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/b2c001a79542050d69fa91619...