message: Don't pass primary to post lowering
  Summary: As title. Most of the times we don't want to change primary. Let;'s enforce it.
diff: @@ -987,7 +987,8 @@ void redex_backend(const std::string& output_dir,
  stores[0].get_dex_magic(),
  secondary_gatherer);
  - if (run_post_lowering) {
  + // Excluding primary from post lowering processing.
  + if (run_post_lowering && !(store.is_root_store() && i == 0)) {
  post_lowering.run(store.get_dexen()[i]);
  }
  