service accounts are in /creds/service_accounts
service accounts are in /creds/service_accounts

Service account json key files are moved from /creds to
/creds/service_accounts
https://chromereviews.googleplex.com/148947013/

R=vadimsh@chromium.org, friedman@chromium.org
BUG=453728

Review URL: https://codereview.chromium.org/902053002

git-svn-id: 239fca9b83025a0b6f823aeeca02ba5be3d9fd76@293999 0039d316-1c4b-4281-b951-d872f2087c98

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