Revert of Disable local fallback in goma staging environment

Revert of Disable local fallback in goma staging environment (patchset #2 id:20001 of https://codereview.chromium.org/2392853002/ )

Reason for revert:
https://build.chromium.org/p/chromium.goma/builders/Chromium%20Linux%20Goma%20Staging/builds/12050/steps/compile/logs/stdio

compile.py with disable_local_fallback does not stop compile when compiler_proxy fails to ping server.

Original issue's description:
> Disable local fallback in goma staging environment
> 
> When rolling new server, starting goma fails sometimes due to timing issue.
> 
> * rename goma_canary -> goma_failfast in config
> 
> BUG=
> 
> Committed: https://chromium.googlesource.com/chromium/tools/build/+/32eebb8c482d73dbc453dfdce62e46d4c8ee19a1

TBR=phajdan.jr@chromium.org,shinyak@chromium.org,ukai@chromium.org,yyanagisawa@chromium.org
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Committed: https://chromium.googlesource.com/chromium/tools/build/+/fee67c6802805c049ddf19e436fb00ad8416032f

[tikuta, 2016-10-04 10:36:22]

The CQ bit was checked by tikuta@chromium.org

[tikuta, 2016-10-04 10:36:23]

Created Revert of Disable local fallback in goma staging environment

[commit-bot: I haz the power, 2016-10-04 10:36:33]

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

[commit-bot: I haz the power, 2016-10-04 10:36:40]

Description was changed from

==========
Revert of Disable local fallback in goma staging environment (patchset #2
id:20001 of https://codereview.chromium.org/2392853002/ )

Reason for revert:
https://build.chromium.org/p/chromium.goma/builders/Chromium%20Linux%20Goma%2...

compile.py with disable_local_fallback does not stop compile when compiler_proxy
fails to ping server.

Original issue's description:
> Disable local fallback in goma staging environment
> 
> When rolling new server, starting goma fails sometimes due to timing issue.
> 
> * rename goma_canary -> goma_failfast in config
> 
> BUG=
> 
> Committed:
https://chromium.googlesource.com/chromium/tools/build/+/32eebb8c482d73dbc453...

TBR=phajdan.jr@chromium.org,shinyak@chromium.org,ukai@chromium.org,yyanagisaw...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=
==========

to

==========
Revert of Disable local fallback in goma staging environment (patchset #2
id:20001 of https://codereview.chromium.org/2392853002/ )

Reason for revert:
https://build.chromium.org/p/chromium.goma/builders/Chromium%20Linux%20Goma%2...

compile.py with disable_local_fallback does not stop compile when compiler_proxy
fails to ping server.

Original issue's description:
> Disable local fallback in goma staging environment
> 
> When rolling new server, starting goma fails sometimes due to timing issue.
> 
> * rename goma_canary -> goma_failfast in config
> 
> BUG=
> 
> Committed:
https://chromium.googlesource.com/chromium/tools/build/+/32eebb8c482d73dbc453...

TBR=phajdan.jr@chromium.org,shinyak@chromium.org,ukai@chromium.org,yyanagisaw...
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=

Committed:
https://chromium.googlesource.com/chromium/tools/build/+/fee67c6802805c049ddf...
==========

[commit-bot: I haz the power, 2016-10-04 10:36:40]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/chromium/tools/build/+/fee67c6802805c049ddf...