Version bump to OPR4.170623.009

Change-Id: I4eaf125e7254cd08d014287c22d865f936a30ff6
diff --git a/core/build_id.mk b/core/build_id.mk
index 23c7be2..73e753e 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=OPR4.170623.008
+export BUILD_ID=OPR4.170623.009