Disable blink_perf.canvas on linux again.

Disable blink_perf.canvas on linux again.

This was re-enabled again temporarily to see if https://codereview.chromium.org/1142603002 fixed the issue, which unfortunately it didn't.

BUG=488059
CQ_EXTRA_TRYBOTS=tryserver.chromium.perf:linux_perf_bisect;tryserver.chromium.perf:mac_perf_bisect;tryserver.chromium.perf:win_perf_bisect;tryserver.chromium.perf:android_nexus5_perf_bisect

Committed: https://crrev.com/11eeebaacfbd84895aa2f5b48968825b3feb36e8
Cr-Commit-Position: refs/heads/master@{#330259}

[shatch, 2015-05-15 20:30:05]

simonhatch@chromium.org changed reviewers:
+ sullivan@chromium.org

[shatch, 2015-05-15 20:30:06]

Looks like something went wrong with Sami's revert
https://codereview.chromium.org/1131853007/, and it's way after hours there, so
I'll just put this up so that the bot doesn't stay red all weekend.

[sullivan, 2015-05-15 20:37:18]

lgtm

[shatch, 2015-05-15 20:37:45]

The CQ bit was checked by simonhatch@chromium.org

[commit-bot: I haz the power, 2015-05-15 20:38:40]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1139243002/1

[commit-bot: I haz the power, 2015-05-15 22:43:07]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-05-15 22:43:07]

Try jobs failed on following builders:
  win_perf_bisect on tryserver.chromium.perf (JOB_TIMED_OUT, no build URL)

[shatch, 2015-05-15 23:14:25]

The CQ bit was checked by simonhatch@chromium.org

[commit-bot: I haz the power, 2015-05-15 23:16:57]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1139243002/1

[commit-bot: I haz the power, 2015-05-16 01:15:09]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-05-18 11:30:31]

Patchset 1 (id:??) landed as
https://crrev.com/11eeebaacfbd84895aa2f5b48968825b3feb36e8
Cr-Commit-Position: refs/heads/master@{#330259}