GRG63B

Change-Id: If3b8c5989cb652d9edabe68abe25e125c25c6529
diff --git a/core/build_id.mk b/core/build_id.mk
index 08be00d..15a4ef9 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=GRG63
+export BUILD_ID=GRG63B