GRG28

Change-Id: Ife1a68ba1edc1d96250a304c548a86ed498fb4e3
diff --git a/core/build_id.mk b/core/build_id.mk
index f75bfd6..b1f9fa2 100644
--- a/core/build_id.mk
+++ b/core/build_id.mk
@@ -19,4 +19,4 @@
 # (like "CRB01").  It must be a single word, and is
 # capitalized by convention.
 
-export BUILD_ID=GRG27
+export BUILD_ID=GRG28