Converted V8 CQ config to proto-format

Converted V8 CQ config to proto-format

This will land with https://chromereviews.googleplex.com/202967013

R=akuegel@chromium.org, machenbach@chromium.org
BUG=471767
NOTRY=true
LOG=N

Committed: https://crrev.com/9088719ee5a4add22f95911ded2056d64943a3ef
Cr-Commit-Position: refs/heads/master@{#28684}

[Michael Achenbach, 2015-05-28 14:27:55]

lgtm

[Adrian Kuegel, 2015-05-28 14:37:10]

lgtm

[Sergiy Byelozyorov, 2015-05-28 14:40:29]

The CQ bit was checked by sergiyb@chromium.org

[commit-bot: I haz the power, 2015-05-28 14:40:39]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1161873004/20001

[Sergiy Byelozyorov, 2015-05-28 14:41:16]

The CQ bit was unchecked by sergiyb@chromium.org

[Sergiy Byelozyorov, 2015-05-28 14:41:21]

The CQ bit was checked by sergiyb@chromium.org

[commit-bot: I haz the power, 2015-05-28 14:41:34]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1161873004/20001

[Sergiy Byelozyorov, 2015-05-28 14:41:35]

The CQ bit was unchecked by sergiyb@chromium.org

[Sergiy Byelozyorov, 2015-05-28 15:00:56]

The CQ bit was checked by sergiyb@chromium.org

[commit-bot: I haz the power, 2015-05-28 15:01:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1161873004/20001

[commit-bot: I haz the power, 2015-05-28 15:02:47]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2015-05-28 15:03:03]

Patchset 2 (id:??) landed as
https://crrev.com/9088719ee5a4add22f95911ded2056d64943a3ef
Cr-Commit-Position: refs/heads/master@{#28684}