Revert of Turn on hermetic toolchain for all corp machines.

Revert of Turn on hermetic toolchain for all corp machines. (patchset #3 id:40001 of https://codereview.chromium.org/2445993004/ )

Reason for revert:
Breaks compilation in WebRTC since we use the same toolchain (but needs 10.12 SDK which is not available in the hermetic toolchain). See https://bugs.chromium.org/p/webrtc/issues/detail?id=6700#c1

Original issue's description:
> Turn on hermetic toolchain for all corp machines.
> 
> BUG=659726
> 
> Committed: https://crrev.com/7778e931dabc1fa85d0b77321e3fdef166e0b6a0
> Committed: https://crrev.com/da01626aa3c2e1533c53c325de9bd579f0aa54d2
> Cr-Original-Commit-Position: refs/heads/master@{#430376}
> Cr-Commit-Position: refs/heads/master@{#430863}

TBR=thakis@chromium.org,dpranke@chromium.org,brettw@chromium.org,justincohen@chromium.org,erikchen@chromium.org
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=659726

[kjellander_chromium, 2016-11-11 14:07:23]

The CQ bit was checked by kjellander@chromium.org

[kjellander_chromium, 2016-11-11 14:07:23]

Created Revert of Turn on hermetic toolchain for all corp machines.

[commit-bot: I haz the power, 2016-11-11 14:07:40]

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

[kjellander_chromium, 2016-11-11 14:09:17]

The CQ bit was unchecked by kjellander@chromium.org

[kjellander_chromium, 2016-11-11 14:23:45]

I think I found a better way to work around this for downstream projects:
https://codereview.chromium.org/2494103002/ so I unchecked the CQ bit for now.
Let me know what you think about that instead.

I have confirmed that it solves the problem WebRTC was seeing at least.

[kjellander_chromium, 2016-11-14 13:30:44]

Description was changed from

==========
Revert of Turn on hermetic toolchain for all corp machines. (patchset #3
id:40001 of https://codereview.chromium.org/2445993004/ )

Reason for revert:
Breaks compilation in WebRTC since we use the same toolchain (but needs 10.12
SDK which is not available in the hermetic toolchain). See
https://bugs.chromium.org/p/webrtc/issues/detail?id=6700#c1

Original issue's description:
> Turn on hermetic toolchain for all corp machines.
> 
> BUG=659726
> 
> Committed: https://crrev.com/7778e931dabc1fa85d0b77321e3fdef166e0b6a0
> Committed: https://crrev.com/da01626aa3c2e1533c53c325de9bd579f0aa54d2
> Cr-Original-Commit-Position: refs/heads/master@{#430376}
> Cr-Commit-Position: refs/heads/master@{#430863}

TBR=thakis@chromium.org,dpranke@chromium.org,brettw@chromium.org,justincohen@...
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=659726
==========

to

==========
Revert of Turn on hermetic toolchain for all corp machines. (patchset #3
id:40001 of https://codereview.chromium.org/2445993004/ )

Reason for revert:
Breaks compilation in WebRTC since we use the same toolchain (but needs 10.12
SDK which is not available in the hermetic toolchain). See
https://bugs.chromium.org/p/webrtc/issues/detail?id=6700#c1

Original issue's description:
> Turn on hermetic toolchain for all corp machines.
> 
> BUG=659726
> 
> Committed: https://crrev.com/7778e931dabc1fa85d0b77321e3fdef166e0b6a0
> Committed: https://crrev.com/da01626aa3c2e1533c53c325de9bd579f0aa54d2
> Cr-Original-Commit-Position: refs/heads/master@{#430376}
> Cr-Commit-Position: refs/heads/master@{#430863}

TBR=thakis@chromium.org,dpranke@chromium.org,brettw@chromium.org,justincohen@...
# Not skipping CQ checks because original CL landed more than 1 days ago.
BUG=659726
==========