GRG13

Change-Id: Ieee9e0567310b0f7fce3ecb569c0f2558927fa0b
diff --git a/core/build_id.mk b/core/build_id.mk
index 2b8b28d..04b0b92 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=GRG12
+export BUILD_ID=GRG13