Version bump to N9F27J

Change-Id: I423873405c9f03e082bf02f4239f057e169838da
diff --git a/core/build_id.mk b/core/build_id.mk
index 80c6381..0506466 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=N9F27I
+export BUILD_ID=N9F27J