Disable AutoclickTest.DISABLED_SynthesizedMouseMovesIgnored test.

Disable AutoclickTest.DISABLED_SynthesizedMouseMovesIgnored test on official build since it has been failing for several days.

BUG=489896
Committed: https://crrev.com/3686570d07c015646957cf737999b3077cd0fca9
Cr-Commit-Position: refs/heads/master@{#330705}

[xdai1, 2015-05-19 23:01:53]

Patchset #1 (id:1) has been deleted

[xdai1, 2015-05-19 23:03:31]

xdai@chromium.org changed reviewers:
+ oshima@chromium.org

[xdai1, 2015-05-19 23:03:32]

Oshima, could you help to review this CL please? This CL just disables a test
that fails on official cros build. Thanks.

[oshima, 2015-05-20 06:41:54]

lgtm

[oshima, 2015-05-20 06:42:02]

The CQ bit was checked by oshima@chromium.org

[commit-bot: I haz the power, 2015-05-20 06:42:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1124113006/20001

[commit-bot: I haz the power, 2015-05-20 06:53:48]

Committed patchset #1 (id:20001)

[commit-bot: I haz the power, 2015-05-20 06:54:36]

Patchset 1 (id:??) landed as
https://crrev.com/3686570d07c015646957cf737999b3077cd0fca9
Cr-Commit-Position: refs/heads/master@{#330705}