Updating security string to 2016-09-05 to platform and CTS in preparation for 2016 September OTA on mnc-dev am: 525c6aa541 am: 63ec9d8f23 am: 04fe21c7b7 am: 8736caaba9
am: f25aadc812

Change-Id: I7172d0aef5029648ad1d7792eaa9e291ab41ec97