Merge "Ensure SOONG_CONV_DATA is generated even no modules require conversion" into main am: 396e7c01db

Original change: https://android-review.googlesource.com/c/platform/build/+/3391784

Change-Id: I4d8a8f882eba5c9532fe8af51ece92c2ba4aa657
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
diff --git a/core/Makefile b/core/Makefile
index dbb8976..a7ab442 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -872,6 +872,7 @@
 SOONG_CONV_DATA := $(call intermediates-dir-for,PACKAGING,soong_conversion)/soong_conv_data
 $(SOONG_CONV_DATA):
 	@rm -f $@
+	@touch $@ # This file must be present even if SOONG_CONV is empty.
 	@$(foreach s,$(SOONG_CONV),echo "$(s),$(SOONG_CONV.$(s).TYPE),$(sort $(SOONG_CONV.$(s).PROBLEMS)),$(sort $(filter-out $(SOONG_ALREADY_CONV),$(SOONG_CONV.$(s).DEPS))),$(sort $(SOONG_CONV.$(s).MAKEFILES)),$(sort $(SOONG_CONV.$(s).INSTALLED))" >>$@;)
 
 $(call declare-1p-target,$(SOONG_CONV_DATA),build)