Adds support for USB audio devices in AppRTCMobile on Android

Adds support for USB audio devices in AppRTCMobile on Android.

This change extends the definition of wired headset to also include USB
devices. The effect is that audio will now be routed to USB audio devices
when used in combination with AppRTCMobile.

BUG=webrtc:7931
Review-Url: https://codereview.webrtc.org/2971613003
Cr-Commit-Position: refs/heads/master@{#18889}
Committed: https://chromium.googlesource.com/external/webrtc/+/8eadead3f42f4cf8a1265bb31ec74114a58662aa

[henrika_webrtc, 2017-07-04 11:15:17]

Description was changed from

==========
Adds support for USB audio devices in AppRTCMobile on Android

Adds support for USB audio devices in AppRTCMobile on Android

BUG=
==========

to

==========
Adds support for USB audio devices in AppRTCMobile on Android

BUG=webrtc:7931
==========

[henrika_webrtc, 2017-07-04 11:15:18]

henrika@webrtc.org changed reviewers:
+ magjed@webrtc.org

[henrika_webrtc, 2017-07-04 11:17:33]

Description was changed from

==========
Adds support for USB audio devices in AppRTCMobile on Android

BUG=webrtc:7931
==========

to

==========
Adds support for USB audio devices in AppRTCMobile on Android.

This change extends the definition of wired headset to also include USB
devices. The effect is that audio will now be routed to USB audio devices
when used in combination with AppRTCMobile.

BUG=webrtc:7931
==========

[henrika_webrtc, 2017-07-04 11:17:47]

PTAL

[henrika_webrtc, 2017-07-04 11:18:10]

Small change but large effect ;-)

[magjed_webrtc, 2017-07-04 11:22:35]

lgtm

[henrika_webrtc, 2017-07-04 11:24:54]

The CQ bit was checked by henrika@webrtc.org

[commit-bot: I haz the power, 2017-07-04 11:24:56]

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, 2017-07-04 12:10:49]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1499167494675790, "parent_rev":
"a9521e248ef1c92bbbd992a010d5d130000f29f8", "commit_rev":
"8eadead3f42f4cf8a1265bb31ec74114a58662aa"}

[commit-bot: I haz the power, 2017-07-04 12:10:52]

Description was changed from

==========
Adds support for USB audio devices in AppRTCMobile on Android.

This change extends the definition of wired headset to also include USB
devices. The effect is that audio will now be routed to USB audio devices
when used in combination with AppRTCMobile.

BUG=webrtc:7931
==========

to

==========
Adds support for USB audio devices in AppRTCMobile on Android.

This change extends the definition of wired headset to also include USB
devices. The effect is that audio will now be routed to USB audio devices
when used in combination with AppRTCMobile.

BUG=webrtc:7931

Review-Url: https://codereview.webrtc.org/2971613003
Cr-Commit-Position: refs/heads/master@{#18889}
Committed:
https://chromium.googlesource.com/external/webrtc/+/8eadead3f42f4cf8a1265bb31...
==========

[commit-bot: I haz the power, 2017-07-04 12:10:53]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/external/webrtc/+/8eadead3f42f4cf8a1265bb31...