Version bump to OPD1.170615.006

Change-Id: I1b14c0a6189a336d338d7dd05a1b60d183cd5b38
diff --git a/core/build_id.mk b/core/build_id.mk
index 9f314a4..8520c6b 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=OPD1.170615.005
+export BUILD_ID=OPD1.170615.006