Support `m product-graph` in Starlark product config

Bug: 221312856
Test: Manually
Change-Id: Ia3a78df2de356801c83b1ba5c17601acfc026d06
diff --git a/core/board_config.mk b/core/board_config.mk
index 72a8044..dc50a68 100644
--- a/core/board_config.mk
+++ b/core/board_config.mk
@@ -254,7 +254,7 @@
   endif
 
   $(shell build/soong/scripts/update_out $(OUT_DIR)/rbc/rbc_board_config_results.mk \
-    $(OUT_DIR)/rbcrun RBC_OUT="make,global" $(OUT_DIR)/rbc/boardlauncher.rbc)
+    $(OUT_DIR)/rbcrun RBC_OUT="make" $(OUT_DIR)/rbc/boardlauncher.rbc)
   ifneq ($(.SHELLSTATUS),0)
     $(error board configuration runner failed: $(.SHELLSTATUS))
   endif