easy-unlock: Make policy fully override field trial.

easy-unlock: Make policy fully override field trial.

This allows dogfooders to get Easy unlock on consumer devices
(i.e. non-enrolled devices).

BUG=395154
Committed: https://crrev.com/09098f7713f7cc8ea1faff9b6976301975675511
Cr-Commit-Position: refs/heads/master@{#294872}

[xiyuan, 2014-09-13 16:48:20]

xiyuan@chromium.org changed reviewers:
+ tbarzic@chromium.org

[xiyuan, 2014-09-13 16:48:20]

Chrome side change needed to enable dogfooders on non-enrolled device.

We lost the ability to turn off the feature via finch for managed accounts. But
it is probably a right thing that we should respect the policy 'Enable' value as
well.

[tbarzic, 2014-09-15 06:02:37]

lgtm

[Andrew T Wilson (Slow), 2014-09-15 08:13:40]

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

[Andrew T Wilson (Slow), 2014-09-15 08:13:40]

lgtm

[xiyuan, 2014-09-15 18:19:48]

The CQ bit was checked by xiyuan@chromium.org

[commit-bot: I haz the power, 2014-09-15 18:25:25]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patchset/546163005/1

[commit-bot: I haz the power, 2014-09-15 19:56:55]

Committed patchset #1 (id:1) as cf2d0bb87b73bf0ed1dfdedc2d66c01fe9a76424

[commit-bot: I haz the power, 2014-09-15 20:00:31]

Patchset 1 (id:??) landed as
https://crrev.com/09098f7713f7cc8ea1faff9b6976301975675511
Cr-Commit-Position: refs/heads/master@{#294872}