Suppress libyuv::TestCpuFlag races.

Suppress libyuv::TestCpuFlag races.

Two concurrently running decoders will trigger data races on cpu_info_
which is lazily initialized on reading TestCpuFlag without proper
atomics.

BUG=libyuv:508
R=kjellander@webrtc.org
TEST=Running EndToEndTest.SendsAndReceivesMultipleStreams under TSan.

Committed: https://crrev.com/7ae926274593c7965f3559d4cb698b0f40dfd8ef
Cr-Commit-Position: refs/heads/master@{#10335}

[pbos-webrtc, 2015-10-20 10:10:23]

PTAL

[pbos-webrtc, 2015-10-20 10:11:15]

Description was changed from

==========
Suppress libyuv::TestCpuFlag races.

Two concurrently running decoders will trigger data races on cpu_flag_
which is lazily initialized on reading TestCpuFlag without proper
atomics.

BUG=libyuv:508
R=kjellander@webrtc.org
TEST=Running EndToEndTest.SendsAndReceivesMultipleStreams repeatedly.
==========

to

==========
Suppress libyuv::TestCpuFlag races.

Two concurrently running decoders will trigger data races on cpu_info_
which is lazily initialized on reading TestCpuFlag without proper
atomics.

BUG=libyuv:508
R=kjellander@webrtc.org
TEST=Running EndToEndTest.SendsAndReceivesMultipleStreams repeatedly.
==========

[pbos-webrtc, 2015-10-20 10:11:31]

Description was changed from

==========
Suppress libyuv::TestCpuFlag races.

Two concurrently running decoders will trigger data races on cpu_info_
which is lazily initialized on reading TestCpuFlag without proper
atomics.

BUG=libyuv:508
R=kjellander@webrtc.org
TEST=Running EndToEndTest.SendsAndReceivesMultipleStreams repeatedly.
==========

to

==========
Suppress libyuv::TestCpuFlag races.

Two concurrently running decoders will trigger data races on cpu_info_
which is lazily initialized on reading TestCpuFlag without proper
atomics.

BUG=libyuv:508
R=kjellander@webrtc.org
TEST=Running EndToEndTest.SendsAndReceivesMultipleStreams under TSan.
==========

[kjellander_webrtc, 2015-10-20 11:08:01]

lgtm

[pbos-webrtc, 2015-10-20 11:37:47]

Committed patchset #1 (id:1) manually as
7ae926274593c7965f3559d4cb698b0f40dfd8ef (presubmit successful).

[commit-bot: I haz the power, 2015-10-20 11:37:49]

Patchset 1 (id:??) landed as
https://crrev.com/7ae926274593c7965f3559d4cb698b0f40dfd8ef
Cr-Commit-Position: refs/heads/master@{#10335}