[Merge to M59] cros: Update virtual audio label name to Built-in mic/speaker

[Merge to M59] cros: Update virtual audio label name to Built-in mic/speaker

Changes:
As from discussion with UX writer, updating the label name here.

TBR=tommi@chromium.org
BUG=658048
TEST=none
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2847173003
Cr-Commit-Position: refs/heads/master@{#468248}
(cherry picked from commit 934e8926ee432fe5f5e6b2b9a1f196455ede77df)

Review-Url: https://codereview.chromium.org/2856493002 .
Cr-Commit-Position: refs/branch-heads/3071@{#314}
Cr-Branched-From: a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed: https://chromium.googlesource.com/chromium/src/+/58a885b06af608a8dd427e81a490ef5fb8cc0e2d

[Qiang(Joe) Xu, 2017-05-01 00:33:42]

Description was changed from

==========
[Merge to M59] cros: Update virtual audio label name to Built-in mic/speaker

Changes:
As from discussion with UX writer, updating the label name here.

TBR=tommi@chromium.org
BUG=658048
TEST=none
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2847173003
Cr-Commit-Position: refs/heads/master@{#468248}
(cherry picked from commit 934e8926ee432fe5f5e6b2b9a1f196455ede77df)
==========

to

==========
[Merge to M59] cros: Update virtual audio label name to Built-in mic/speaker

Changes:
As from discussion with UX writer, updating the label name here.

TBR=tommi@chromium.org
BUG=658048
TEST=none
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.android:android_optional_gpu_tests_rel;master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2847173003
Cr-Commit-Position: refs/heads/master@{#468248}
(cherry picked from commit 934e8926ee432fe5f5e6b2b9a1f196455ede77df)

Review-Url: https://codereview.chromium.org/2856493002 .
Cr-Commit-Position: refs/branch-heads/3071@{#314}
Cr-Branched-From:
a106f0abbf69dad349d4aaf4bcc4f5d376dd2377-refs/heads/master@{#464641}
Committed:
https://chromium.googlesource.com/chromium/src/+/58a885b06af608a8dd427e81a490...
==========

[Qiang(Joe) Xu, 2017-05-01 00:33:43]

Committed patchset #1 (id:1) manually as
58a885b06af608a8dd427e81a490ef5fb8cc0e2d (presubmit successful).