Update Security String to 2020-11-01

Bug: 168709737
Merged-In: I96489891caa4f5248c90be2d8c16327e1991e3bb
Change-Id: I2ec81773c28b4ad2e74b600dbf1bfd2503b085ea
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 5ba3d85..3813e64 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 := 2020-10-01
+      PLATFORM_SECURITY_PATCH := 2020-11-01
 endif
 
 ifndef PLATFORM_BASE_OS