Make change and version bump to PPR2.181005.003.A1

Change-Id: I8af61bb29c16822a501ed2c6934ce6ab65b503f2
diff --git a/core/build_id.mk b/core/build_id.mk
index 0d9c215..e4ec114 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -18,4 +18,4 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-export BUILD_ID=PPR2.181005.003
+export BUILD_ID=PPR2.181005.003.A1
diff --git a/core/version_defaults.mk b/core/version_defaults.mk
index 3199c09..18cf002 100644
--- a/core/version_defaults.mk
+++ b/core/version_defaults.mk
@@ -231,7 +231,7 @@
     #  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 := 2018-10-05
+      PLATFORM_SECURITY_PATCH := 2018-11-01
 endif
 
 ifndef PLATFORM_SECURITY_PATCH_TIMESTAMP