[Ozone-Dri] Rename DriWrapper to DrmDevice

[Ozone-Dri] Rename DriWrapper to DrmDevice

Similarly GbmWrapper to GbmDevice. This was done to better reflect their
role.

BUG=none

Committed: https://crrev.com/16fda6112e0db1142581aaeb9c088c6a3c44db95
Cr-Commit-Position: refs/heads/master@{#318815}

[dnicoara, 2015-02-12 18:52:54]

dnicoara@chromium.org changed reviewers:
+ spang@chromium.org

[dnicoara, 2015-02-12 18:52:55]

PTAL

[spang, 2015-02-12 18:58:52]

lgtm

[hshi1, 2015-02-19 17:33:38]

On 2015/02/12 18:58:52, spang wrote:
> lgtm

this appears to be in conflict with tip of trunk

[dnicoara, 2015-02-20 09:55:28]

On 2015/02/19 17:33:38, hshi1 wrote:
> On 2015/02/12 18:58:52, spang wrote:
> > lgtm
> 
> this appears to be in conflict with tip of trunk

This applies on top of https://codereview.chromium.org/905873003/. Though, there
may be other conflicts at the moment.

[dnicoara, 2015-03-03 00:52:05]

The CQ bit was checked by dnicoara@chromium.org

[dnicoara, 2015-03-03 00:52:05]

The patchset sent to the CQ was uploaded after l-g-t-m from spang@chromium.org
Link to the patchset: https://codereview.chromium.org/908993003/#ps20001 (title:
"rebased")

[commit-bot: I haz the power, 2015-03-03 00:53:46]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/908993003/20001

[commit-bot: I haz the power, 2015-03-03 01:47:42]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-03-03 01:48:20]

Patchset 2 (id:??) landed as
https://crrev.com/16fda6112e0db1142581aaeb9c088c6a3c44db95
Cr-Commit-Position: refs/heads/master@{#318815}