GRG70B

Change-Id: I0559a4aee3908e18e4c5b93c7fe425b151c856f9
diff --git a/core/build_id.mk b/core/build_id.mk
index c3d7c77..043089e 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=GRG70
+export BUILD_ID=GRG70B