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 am: 001e51af1d
am: 845465db6f

Change-Id: Iba9bd1ca40accec3ed6e016499a3bffe2f3fa6b4