Make side of converting refreshmod to a shell script

Bug: 340648588
Test: refreshmod
Change-Id: Iedbdd31f9a58cb609a826dfe8066c9eff8aa5904
diff --git a/core/tasks/module-info.mk b/core/tasks/module-info.mk
index aa695eb..07e2d19 100644
--- a/core/tasks/module-info.mk
+++ b/core/tasks/module-info.mk
@@ -52,6 +52,8 @@
 	$(PRIVATE_MERGE_JSON_OBJECTS) -o $@ $(PRIVATE_SOONG_MODULE_INFO) $@.tmp
 	rm $@.tmp
 
+.PHONY: module-info
+module-info: $(MODULE_INFO_JSON)
 
 droidcore-unbundled: $(MODULE_INFO_JSON)