Revert of Temporary reduce backoff factor. (patchset #2 id:20001 of https://codereview.chromium.org/1279443003/ )
Revert of Temporary reduce backoff factor. (patchset #2 id:20001 of https://codereview.chromium.org/1279443003/ )

Reason for revert:
it was temporary; things look good, so let's get back.

Original issue's description:
> Temporary reduce backoff factor.
> 
> This should help going through the retries faster and avoid a timeout.
> We currently rely on failing all retries to fix the bot state after the
> DEPS change.
> Also only do 3 retry attempts.
> 
> BUG=518835
> 
> Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=296264

TBR=phajdan.jr@chromium.org,akuegel@chromium.org
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=518835

Review URL: https://codereview.chromium.org/1283943002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@296293 0039d316-1c4b-4281-b951-d872f2087c98

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