Add CAST_PRODUCT_TYPE_AUDIO to cast metrics proto

Add CAST_PRODUCT_TYPE_AUDIO to cast metrics proto

BUG=

Committed: https://crrev.com/55fba46bc691d512bc8070a3f55eee8a436e0bfd
Cr-Commit-Position: refs/heads/master@{#312870}

[cleichner, 2015-01-23 01:16:03]

cleichner@chromium.org changed reviewers:
+ gfhuang@chromium.org, mpearson@google.com

[cleichner, 2015-01-23 01:16:03]

cleichner@chromium.org changed required reviewers:
+ mpearson@google.com

[cleichner, 2015-01-23 01:16:06]

The CQ bit was checked by cleichner@chromium.org

[gfhuang, 2015-01-23 01:17:20]

lgtm

[commit-bot: I haz the power, 2015-01-23 01:20:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/870873002/1

[commit-bot: I haz the power, 2015-01-23 01:20:26]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-01-23 01:20:27]

All required reviewers (with asterisk prefixes) have not yet approved this CL.

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[Mark P, 2015-01-23 01:24:05]

mpearson@chromium.org changed reviewers:
+ mpearson@chromium.org

[Mark P, 2015-01-23 01:24:06]

lgtm

[cleichner, 2015-01-23 16:46:01]

The CQ bit was checked by cleichner@chromium.org

[commit-bot: I haz the power, 2015-01-23 16:46:55]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/870873002/1

[commit-bot: I haz the power, 2015-01-23 16:46:57]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-01-23 16:46:58]

All required reviewers (with asterisk prefixes) have not yet approved this CL.

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[cleichner, 2015-01-23 16:48:11]

cleichner@chromium.org changed reviewers:
- mpearson@google.com

[cleichner, 2015-01-23 16:48:11]

cleichner@chromium.org changed required reviewers:
- mpearson@google.com

[cleichner, 2015-01-23 16:48:17]

The CQ bit was checked by cleichner@chromium.org

[commit-bot: I haz the power, 2015-01-23 16:48:36]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/870873002/1

[commit-bot: I haz the power, 2015-01-23 17:42:36]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-01-23 17:42:37]

Failed to request the patch to try. Please note that binary files are still
unsupported at the moment, this is being worked on.

Thanks for your patience.

Transient error: <urlopen error [Errno 8] _ssl.c:510: EOF occurred in violation
of protocol>

[commit-bot: I haz the power, 2015-01-23 17:42:53]

The CQ bit was unchecked by commit-bot@chromium.org

[cleichner, 2015-01-23 17:42:57]

The CQ bit was checked by cleichner@chromium.org

[commit-bot: I haz the power, 2015-01-23 17:43:55]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/870873002/1

[commit-bot: I haz the power, 2015-01-23 17:45:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-01-23 17:46:55]

Patchset 1 (id:??) landed as
https://crrev.com/55fba46bc691d512bc8070a3f55eee8a436e0bfd
Cr-Commit-Position: refs/heads/master@{#312870}