Update Security String to 2017-11-01 on oc-dev bug:65631379
(cherry picked from commit 8f4a4c213118ce088245abc4f31204393bab62a5)

Change-Id: Id80a2fe3afa1cf89ae53c8b84e8ab9c5fd672ed9
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index a44ce77..29929a1 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -165,7 +165,7 @@
     #  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