[Chromedriver] Disable window & screenshot tests on Chrome v57.

[Chromedriver] Disable window & screenshot tests on Chrome v57.

BUG=chromedriver:1625
Review-Url: https://codereview.chromium.org/2692533002
Cr-Commit-Position: refs/heads/master@{#449693}
Committed: https://chromium.googlesource.com/chromium/src/+/ed8f1828942b62be160096076aef279b1367f2bb

[gmanikpure, 2017-02-10 18:29:02]

gmanikpure@chromium.org changed reviewers:
+ samuong@chromium.org

[gmanikpure, 2017-02-10 18:29:03]

Sam,

After advancing bot to M57, tests that are already disabled on HEAD started
failing against v57. Hence, disabling it again for 57. Please take a look.

Thanks

[samuong, 2017-02-10 18:38:34]

lgtm

[gmanikpure, 2017-02-10 18:39:06]

The CQ bit was checked by gmanikpure@chromium.org

[commit-bot: I haz the power, 2017-02-10 18:40:05]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2017-02-10 19:38:10]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1486751946141470, "parent_rev":
"fb34188f3672ba0ce949749aaa985bdf39fc09aa", "commit_rev":
"ed8f1828942b62be160096076aef279b1367f2bb"}

[commit-bot: I haz the power, 2017-02-10 19:39:12]

Description was changed from

==========
[Chromedriver] Disable window & screenshot tests on Chrome v57.

BUG=chromedriver:1625
==========

to

==========
[Chromedriver] Disable window & screenshot tests on Chrome v57.

BUG=chromedriver:1625

Review-Url: https://codereview.chromium.org/2692533002
Cr-Commit-Position: refs/heads/master@{#449693}
Committed:
https://chromium.googlesource.com/chromium/src/+/ed8f1828942b62be160096076aef...
==========

[commit-bot: I haz the power, 2017-02-10 19:39:12]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/src/+/ed8f1828942b62be160096076aef...