[DO NOT MERGE] Update security string to 2018-02-05 for oc-mr1-dev
bug:70348883

Change-Id: I3e6a87e66cd2c113d2f8fc0e9572b0a2744a6515
(cherry picked from commit fb5f3b5add30fa435008e165da930e1a81bcfd8f)
1 file changed