Increase retry amount to 5, to slow things down in serious outages.
Increase retry amount to 5, to slow things down in serious outages.

BUG=513560

Review URL: https://codereview.chromium.org/1260453004

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@296113 0039d316-1c4b-4281-b951-d872f2087c98

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