Version bump to OPR6.170623.023

Change-Id: I119458f0694fe9d5d86c854f99b2e2e5f7bc7a8a
diff --git a/core/build_id.mk b/core/build_id.mk
index 34a698f..175d37c 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=OPR6.170623.022
+export BUILD_ID=OPR6.170623.023