Make change and version bump to OPM5.171019.018

Change-Id: I99b25410193f57f1ae02ca91b38e38661a70caf6
diff --git a/core/build_id.mk b/core/build_id.mk
index 3827924..39a324d 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=OPM5.171019.017
+export BUILD_ID=OPM5.171019.018