Version bump to OPR1.170623.006

Change-Id: I92fc2d32e9b6a875c83f37131c39f32fdc16d33f
diff --git a/core/build_id.mk b/core/build_id.mk
index 4e6d3f4..f626462 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=OPR1.170623.005
+export BUILD_ID=OPR1.170623.006