Make change and version bump to OPM1.171019.012

Change-Id: Ied0468dbda55a5c21e048fdac64ecc529bcc98b4
diff --git a/core/build_id.mk b/core/build_id.mk
index 8fc715c..6be08bb 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=OPM1.171019.011
+export BUILD_ID=OPM1.171019.012