ozone: evdev: Release pressed keys when event filtering starts

ozone: evdev: Release pressed keys when event filtering starts

This prevents filtering out key release events, resulting in stuck keys.

BUG=449162
TEST=Fully rotate glimmer while holding spacebar. No spurious
  key repeats.

Committed: https://crrev.com/df407c56b6491906362df48f228b8a2d972192b8
Cr-Commit-Position: refs/heads/master@{#318535}

[spang, 2015-02-27 20:44:30]

spang@chromium.org changed reviewers:
+ pkotwicz@chromium.org, rsadam@chromium.org

[pkotwicz, 2015-02-27 21:43:57]

LGTM

[spang, 2015-02-27 22:25:53]

The CQ bit was checked by spang@chromium.org

[commit-bot: I haz the power, 2015-02-27 22:26:58]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/958403003/1

[commit-bot: I haz the power, 2015-02-27 22:43:48]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-27 22:44:28]

Patchset 1 (id:??) landed as
https://crrev.com/df407c56b6491906362df48f228b8a2d972192b8
Cr-Commit-Position: refs/heads/master@{#318535}