Update Security String to 2016-10-01 to platform and CTS for October Security
Update Security String to 2016-10-01 to platform and CTS for October Security

Change-Id: I7ccdd54c1d269422c5e2e1f3e268fc539b6eb684
(cherry picked from commit cb60b2dedbf6a346f3affc66a2e89a8068c530e2)

xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build,xorware/android_build