Make change and version bump to OPD1.170816.012

Change-Id: Ie167bb2d8839636658f36390523cceb4e5b63215
diff --git a/core/build_id.mk b/core/build_id.mk
index 36bd0bd..3910090 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=OPD1.170816.011
+export BUILD_ID=OPD1.170816.012