[DO NOT MERGE] Update Security String to 2017-06-05 for nyc-dev am: 70d708e29f am: 15420e5bb0 am: 49ca7ee1b0 am: 0e503efe43 am: 019c695262
am: 055547cddf  -s ours

Change-Id: Ib97e0df7db04f55bc2487df3c3021b0427d919d3