Update Security String to 11-06 for KRACK Fix
(cherry picked from commit 89464c994c148c6e3f9ecfa799f5c11737dd9d9d)

Change-Id: Ie481d2bd081532b13819d1f7e9443291a2551d29
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 996900b..636d9e3 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 := 2017-11-05
+      PLATFORM_SECURITY_PATCH := 2017-11-06
 endif
 
 ifndef PLATFORM_BASE_OS