Version bump to OPM2.171019.012

Change-Id: I8285ec8e61afaaea5af87e8fb132af9cf0f06917
diff --git a/core/build_id.mk b/core/build_id.mk
index 8f9e6d4..4f06a60 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=OPM2.171019.011
+export BUILD_ID=OPM2.171019.012