Version bump to OPM1.170912.002

Change-Id: I3d01f19a0f0a421b2a222b4c91b3dd48fe7f71b0
diff --git a/core/build_id.mk b/core/build_id.mk
index 5a420dc..969e06d 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=OPM1.170912.001
+export BUILD_ID=OPM1.170912.002