Revert of Force clang/tot bots to do clobber builds of clang for a bit.

Revert of Force clang/tot bots to do clobber builds of clang for a bit. (patchset #1 id:1 of https://codereview.chromium.org/1546323004/ )

Reason for revert:
Every tot bot should have cycled with this by now.

Original issue's description:
> Force clang/tot bots to do clobber builds of clang for a bit.
>
> Apparently cmake doesn't like it if the compiler changes like it did in
> https://codereview.chromium.org/1555443002/ without a clobber build.
>
> Since this might help with issue 569337 too (who knows), do it everywhere
> for a short while instead of just on linux.
>
> BUG=509739, 569337
> TBR=hans
>
> Committed: https://chromium.googlesource.com/chromium/src/+/1c0fd1fac8ee649f5da00473e5d88565ea3ae930

TBR=hans@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=509739, 569337
Committed: https://crrev.com/5fd19892f3794b1f75eea5ccfb40bb6fc8e9e3a5
Cr-Commit-Position: refs/heads/master@{#367065}

[Nico, 2015-12-29 14:25:20]

Created Revert of Force clang/tot bots to do clobber builds of clang for a bit.

[commit-bot: I haz the power, 2015-12-29 14:25:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1554573002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1554573002/1

[commit-bot: I haz the power, 2015-12-29 14:25:49]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-12-29 14:27:06]

Description was changed from

==========
Revert of Force clang/tot bots to do clobber builds of clang for a bit.
(patchset #1 id:1 of https://codereview.chromium.org/1546323004/ )

Reason for revert:
Every tot bot should have cycled with this by now.

Original issue's description:
> Force clang/tot bots to do clobber builds of clang for a bit.
> 
> Apparently cmake doesn't like it if the compiler changes like it did in
> https://codereview.chromium.org/1555443002/ without a clobber build.
> 
> Since this might help with issue 569337 too (who knows), do it everywhere
> for a short while instead of just on linux.
> 
> BUG=509739,569337
> TBR=hans
> 
> Committed:
https://chromium.googlesource.com/chromium/src/+/1c0fd1fac8ee649f5da00473e5d8...

TBR=hans@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=509739,569337
==========

to

==========
Revert of Force clang/tot bots to do clobber builds of clang for a bit.
(patchset #1 id:1 of https://codereview.chromium.org/1546323004/ )

Reason for revert:
Every tot bot should have cycled with this by now.

Original issue's description:
> Force clang/tot bots to do clobber builds of clang for a bit.
>
> Apparently cmake doesn't like it if the compiler changes like it did in
> https://codereview.chromium.org/1555443002/ without a clobber build.
>
> Since this might help with issue 569337 too (who knows), do it everywhere
> for a short while instead of just on linux.
>
> BUG=509739,569337
> TBR=hans
>
> Committed:
https://chromium.googlesource.com/chromium/src/+/1c0fd1fac8ee649f5da00473e5d8...

TBR=hans@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=509739,569337

Committed: https://crrev.com/5fd19892f3794b1f75eea5ccfb40bb6fc8e9e3a5
Cr-Commit-Position: refs/heads/master@{#367065}
==========

[commit-bot: I haz the power, 2015-12-29 14:27:08]

Patchset 1 (id:??) landed as
https://crrev.com/5fd19892f3794b1f75eea5ccfb40bb6fc8e9e3a5
Cr-Commit-Position: refs/heads/master@{#367065}