Update Security String to 2017-02-01 in klp-dev am: b1a7ec0841 am: 5c99964c63 am: ce2b665128  -s ours am: 2c827418dd am: 380ba6deec am: 9baf1b5294 am: 34eec6554f am: 647c853775 am: 71a1639a8b am: ad296afa4c am: 4fde436775 am: 79a86d157a
am: 6e4e6c168e

Change-Id: Iabafc29bdec6f7af5770c35fdc4440ef4791a6a7