Updating Security String to 2017-01-01 on nyc-dev am: 202380f93e am: 6108f21d36 am: 6a954bbdbc am: 2e5e286112 am: 7a83d3131b
am: 3e3c6e34ae

Change-Id: I59b7bf97a357831395c0810c467c35c9eb4da143