Generalize V4L2 HW video codec device names

Generalize V4L2 HW video codec device names

Switch to more generalized V4L2 video accelerator device names and update
sandbox rules to reflect that.

This is another attempt at crrev.com/763743002, reverted in
crrev.com/767383002 with a fixup for sandbox permissions.

BUG=405861, 437598
TEST=compile

Committed: https://crrev.com/30a3721c82953428d445a93ebe2bf0014e27bc10
Cr-Commit-Position: refs/heads/master@{#306642}

[Pawel Osciak, 2014-12-02 00:26:12]

posciak@chromium.org changed reviewers:
+ jorgelo@chromium.org, scherkus@chromium.org

[Pawel Osciak, 2014-12-02 00:26:12]

scherkus@: please owners for media
jorgelo@: please owners for sandbox

Thanks.

[Pawel Osciak, 2014-12-02 00:27:01]

The CQ bit was checked by posciak@chromium.org

[commit-bot: I haz the power, 2014-12-02 00:27:20]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/730693005/1

[commit-bot: I haz the power, 2014-12-02 00:27:21]

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

[commit-bot: I haz the power, 2014-12-02 00:27:22]

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.

[Jorge Lucangeli Obes, 2014-12-02 00:30:24]

Did you send it in before el-gee-tee-ems?

lgtm for sandbox

[Pawel Osciak, 2014-12-02 00:31:25]

On 2014/12/02 00:30:24, Jorge Lucangeli Obes wrote:
> Did you send it in before el-gee-tee-ems?

I meant to say git cl try, but clicked "commit" instead. Brain typo.

[scherkus (not reviewing), 2014-12-02 18:41:00]

lgtm

[Pawel Osciak, 2014-12-03 19:10:47]

The CQ bit was checked by posciak@chromium.org

[commit-bot: I haz the power, 2014-12-03 19:11:57]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/730693005/1

[commit-bot: I haz the power, 2014-12-03 19:22:29]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2014-12-03 19:23:24]

Patchset 1 (id:??) landed as
https://crrev.com/30a3721c82953428d445a93ebe2bf0014e27bc10
Cr-Commit-Position: refs/heads/master@{#306642}

[jonross, 2014-12-05 20:53:31]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/784553004/ by jonross@chromium.org.

The reason for reverting is: This change breaks video_ChromeHWDecodeUsed, please
see crbug.com/439175 for details..