[DO NOT MERGE] Update Security String to 2017-06-05 for nyc-dev am: 70d708e29f am: 15420e5bb0 am: 49ca7ee1b0  -s ours
am: 557f15a715  -s ours

Change-Id: I41ea577729e4f96902024424d3df26c50e7181b9