Update Security String to 2017-05-05 on nyc-dev am: cfdcc41cd7 am: d5894faefd am: f773f981bb am: ad8cf29586 am: f9b4cfca80 am: 7e6be015b6
am: 00361be05e

Change-Id: I489f0b9473cee47583a3e9e63c88eab081122813