Revert of Revert of Enable bot update on slave[250:256]-c4 on the tryserver (https://codereview.chromium.org/240353004/)
Revert of Revert of Enable bot update on slave[250:256]-c4 on the tryserver (https://codereview.chromium.org/240353004/)

Reason for revert:
Relanding after fix in https://codereview.chromium.org/245983002

Original issue's description:
> Revert of Enable bot update on slave[250:256]-c4 on the tryserver (https://codereview.chromium.org/238023008/)
> 
> Reason for revert:
> Failure here:
> http://build.chromium.org/p/tryserver.chromium/builders/linux_chromium_clang_dbg/builds/16293
> 
> Original issue's description:
> > Enable bot update on slave[250:256]-c4 on the tryserver
> > 
> > BUG=361346
> > 
> > Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=264217
> 
> TBR=agable@chromium.org
> NOTREECHECKS=true
> NOTRY=true
> BUG=361346
> 
> Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=264267

TBR=agable@chromium.org
NOTREECHECKS=true
NOTRY=true
BUG=361346

Review URL: https://codereview.chromium.org/246993004

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@265348 0039d316-1c4b-4281-b951-d872f2087c98

eunchong/build,eunchong/build,eunchong/build,eunchong/build