Updating Security String to 2017-03-05 on nyc-dev am: 25b39b12ba am: cb8fef9d91 am: 8e89e568b9 am: 6bce8b94e6
am: 74ab792ef4

Change-Id: I2d265dbff4aeea7d7c279fe9aa12b087cbbf16b0