Revert of Remove SkFontConfigInterface race suppression.

Revert of Remove SkFontConfigInterface race suppression. (patchset #1 id:1 of https://codereview.chromium.org/1467313002/ )

Reason for revert:
The data race is still reproducible (see the bug)

BUG=chromium:369257
Original issue's description:
> Remove SkFontConfigInterface race suppression.
>
> The race was fixed with https://codereview.chromium.org/355573006 ,
> committed as
> https://skia.googlesource.com/skia/+/e438ddbc7451ec80f953266409fea4695e78c8c2
>
> This is effectively a revert of https://codereview.chromium.org/273523002 .
>
> BUG=chromium:369257
>
> Committed: https://crrev.com/a8c01b568251a5dc191e4fb67ab5c1dc6b8af86e
> Cr-Commit-Position: refs/heads/master@{#361125}

TBR=mtklein@chromium.org,bungeman@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=chromium:369257
Committed: https://crrev.com/ac2843f9b9583ee6512cd1312ed416b7e884b92b
Cr-Commit-Position: refs/heads/master@{#361323}

[Alexander Potapenko, 2015-11-24 12:16:00]

Created Revert of Remove SkFontConfigInterface race suppression.

[commit-bot: I haz the power, 2015-11-24 12:16:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1468173005/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1468173005/1

[commit-bot: I haz the power, 2015-11-24 12:17:07]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-11-24 12:18:06]

Patchset 1 (id:??) landed as
https://crrev.com/ac2843f9b9583ee6512cd1312ed416b7e884b92b
Cr-Commit-Position: refs/heads/master@{#361323}