[Ozone-DRI] Fix cursor showing on wrong monitor after display changes

[Ozone-DRI] Fix cursor showing on wrong monitor after display changes

When windows are moved the underlying display controller changes. In these cases
we need to hide the cursor before moving and restore it after.

BUG=none
NOTRY=true

Committed: https://crrev.com/d693c730916cbae0fef38dd8aafa74ec44651b15
Cr-Commit-Position: refs/heads/master@{#294699}

[dnicoara, 2014-09-12 17:17:27]

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

[dnicoara, 2014-09-12 17:17:27]

PTAL

[spang, 2014-09-12 17:54:00]

lgtm

[dnicoara, 2014-09-12 23:40:19]

The CQ bit was checked by dnicoara@chromium.org

[commit-bot: I haz the power, 2014-09-12 23:46:25]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patchset/566953002/1

[commit-bot: I haz the power, 2014-09-13 00:01:12]

Committed patchset #1 (id:1) as 9fdf62a7077978bc0a210ed880597ac8ccb05d8d

[commit-bot: I haz the power, 2014-09-13 00:13:57]

Patchset 1 (id:??) landed as
https://crrev.com/d693c730916cbae0fef38dd8aafa74ec44651b15
Cr-Commit-Position: refs/heads/master@{#294699}