Version bump to OPD2.170816.006

Change-Id: If9e2d8e52121e57fa843646776a0494d63034d04
diff --git a/core/build_id.mk b/core/build_id.mk
index 4e911d0..a57d00a 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=OPD2.170816.005
+export BUILD_ID=OPD2.170816.006