Version bump to OPM7.181105.004

Change-Id: I45c2a868c556002c147d73750b0200bf1e528197
diff --git a/core/build_id.mk b/core/build_id.mk
index 41a7e5a..b84eb96 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=OPM7.181105.003
+export BUILD_ID=OPM7.181105.004