Roll libvpx: cf86fa:5cdd30

Roll libvpx: cf86fa:5cdd30

Now that AVX2 detection works turn on the code:
https://codereview.chromium.org/884013006

R=tomfinegan@chromium.org

Committed: https://crrev.com/8da21c0ad8c172e42be2aaf8a1ab857317dd6c71
Cr-Commit-Position: refs/heads/master@{#313821}

[Johann, 2015-01-29 20:31:00]

We have been here before and will (probably) be here again.

[Tom Finegan, 2015-01-29 20:52:50]

lgtm

[Johann, 2015-01-29 20:53:04]

The CQ bit was checked by johannkoenig@google.com

[commit-bot: I haz the power, 2015-01-29 20:53:57]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/858153008/1

[commit-bot: I haz the power, 2015-01-29 22:22:08]

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

[commit-bot: I haz the power, 2015-01-29 22:22:09]

Try jobs failed on following builders:
  android_dbg_tests_recipe on tryserver.chromium.linux
(http://build.chromium.org/p/tryserver.chromium.linux/builders/android_dbg_tes...)

[Johann, 2015-01-29 22:22:39]

The CQ bit was checked by johannkoenig@google.com

[commit-bot: I haz the power, 2015-01-29 22:23:28]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/858153008/1

[commit-bot: I haz the power, 2015-01-29 23:24:14]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-01-29 23:25:11]

Patchset 1 (id:??) landed as
https://crrev.com/8da21c0ad8c172e42be2aaf8a1ab857317dd6c71
Cr-Commit-Position: refs/heads/master@{#313821}