apply workaround from 2272823004 to all mac instead of mac intel

apply workaround from 2272823004 to all mac instead of mac intel

BUG=640506
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2566493005
Cr-Commit-Position: refs/heads/master@{#437692}
(cherry picked from commit e26843bfad416dbeb1d7abf7b0543ff118b9c27e)

Committed: https://chromium.googlesource.com/chromium/src/+/a9dd0aa726a0992e694cf30b40e954246e44e8bb

[Kai Ninomiya, 2016-12-12 19:30:15]

Description was changed from

==========
apply workaround from 2272823004 to all mac instead of mac intel

BUG=640506
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2566493005
Cr-Commit-Position: refs/heads/master@{#437692}
(cherry picked from commit e26843bfad416dbeb1d7abf7b0543ff118b9c27e)
==========

to

==========
apply workaround from 2272823004 to all mac instead of mac intel

BUG=640506
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel;master.tryserver.chromium.android:android_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2566493005
Cr-Commit-Position: refs/heads/master@{#437692}
(cherry picked from commit e26843bfad416dbeb1d7abf7b0543ff118b9c27e)

Committed:
https://chromium.googlesource.com/chromium/src/+/a9dd0aa726a0992e694cf30b40e9...
==========

[Kai Ninomiya, 2016-12-12 19:30:16]

Committed patchset #4 (id:60001) manually as
a9dd0aa726a0992e694cf30b40e954246e44e8bb.