Update binary.mk language to comply with Android's inclusive language guidance

See https://source.android.com/setup/contribute/respectful-code for reference

Bug: 162241205
diff --git a/core/binary.mk b/core/binary.mk
index 29a78a3..be7dc27 100644
--- a/core/binary.mk
+++ b/core/binary.mk
@@ -594,7 +594,7 @@
 
 $(call track-src-file-gen,$(renderscript_sources),$(rs_generated_cpps))
 
-# This is just a dummy rule to make sure gmake doesn't skip updating the dependents.
+# This is just a no-op rule to make sure gmake doesn't skip updating the dependents.
 $(rs_generated_cpps) : $(RenderScript_file_stamp)
 	@echo "Updated RS generated cpp file $@."
 	$(hide) touch $@