Add untracked header files to GN targets in audio_coding

Add untracked header files to GN targets in audio_coding

BUG=webrtc:7619
Review-Url: https://codereview.webrtc.org/2875033002
Cr-Commit-Position: refs/heads/master@{#18101}
Committed: https://chromium.googlesource.com/external/webrtc/+/a8e2c63a9935f38b670810c041e4a978f5a324b1

[hlundin-webrtc, 2017-05-11 11:22:37]

henrik.lundin@webrtc.org changed reviewers:
+ mbonadei@webrtc.org

[hlundin-webrtc, 2017-05-11 11:22:38]

mbonadei@, PTAL.

[mbonadei, 2017-05-11 12:26:31]

On 2017/05/11 11:22:38, hlundin-webrtc wrote:
> mbonadei@, PTAL.

Thanks! lgtm

[hlundin-webrtc, 2017-05-11 13:14:58]

The CQ bit was checked by henrik.lundin@webrtc.org

[commit-bot: I haz the power, 2017-05-11 13:15:06]

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, 2017-05-11 14:18:06]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1494508498513620, "parent_rev":
"8a329652de719b5efab5421019ebdc343c57deba", "commit_rev":
"a8e2c63a9935f38b670810c041e4a978f5a324b1"}

[commit-bot: I haz the power, 2017-05-11 14:18:10]

Description was changed from

==========
Add untracked header files to GN targets in audio_coding

BUG=webrtc:7619
==========

to

==========
Add untracked header files to GN targets in audio_coding

BUG=webrtc:7619

Review-Url: https://codereview.webrtc.org/2875033002
Cr-Commit-Position: refs/heads/master@{#18101}
Committed:
https://chromium.googlesource.com/external/webrtc/+/a8e2c63a9935f38b670810c04...
==========

[commit-bot: I haz the power, 2017-05-11 14:18:11]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/a8e2c63a9935f38b670810c04...