Update Security String to 2017-11-01 on oc-dev bug:65631379 am: 8f4a4c2131 am: 8e3eac06fb
am: 813eb5e81d

Change-Id: Ib1cb2b5d8789b8b43de101786ceb00d98e156afa
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 2c0cd55..2ef1ecf 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -198,7 +198,7 @@
     #  It must be of the form "YYYY-MM-DD" on production devices.
     #  It must match one of the Android Security Patch Level strings of the Public Security Bulletins.
     #  If there is no $PLATFORM_SECURITY_PATCH set, keep it empty.
-      PLATFORM_SECURITY_PATCH := 2017-10-05
+      PLATFORM_SECURITY_PATCH := 2017-11-01
 endif
 
 ifndef PLATFORM_BASE_OS