Version bump to OPD1.170601.007

Change-Id: Ie1a5fdff1e9b2510b7096da05fe8c82946587721
diff --git a/core/build_id.mk b/core/build_id.mk
index e935431..60db650 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=OPD1.170601.006
+export BUILD_ID=OPD1.170601.007