[DO NOT MERGE] Update Security String to 2017-06-01 in klp-dev am: e6a77de43b am: 8dcfa2ac07 am: 386d7ae2e8  -s ours am: 4389a11f4b  -s ours am: 65101a958e am: 18c3da68f0  -s ours
am: 988fc368d3

Change-Id: Ice678f7c46970fe343208e5b793bbd362439192e