message: Enable kana modifier insensitive conversion for mobile engine.
  The feature is enabled by default in the actual mozc in Gboard.
diff: @@ -453,6 +453,7 @@ int main(int argc, char **argv) {
  absl::GetFlag(FLAGS_magic));
  CHECK_OK(data_manager);
  + mozc::config::Config config = mozc::config::ConfigHandler::DefaultConfig();
  mozc::commands::Request request;
  std::unique_ptr<mozc::EngineInterface> engine;
  if (absl::GetFlag(FLAGS_engine_type) == "desktop") {
  @@ -461,6 +462,7 @@ int main(int argc, char **argv) {
  } else if (absl::GetFlag(FLAGS_engine_type) == "mobile") {
  engine = mozc::Engine::CreateMobileEngine(*std::move(data_manager)).value();
  mozc::commands::RequestForUnitTest::FillMobileRequest(&request);
  + config.set_use_kana_modifier_insensitive_conversion(true);
  } else {
  LOG(FATAL) << "Invalid type: --engine_type="
  << absl::GetFlag(FLAGS_engine_type);
  @@ -478,8 +480,6 @@ int main(int argc, char **argv) {
  mozc::Segments segments;
  std::string line;
  - mozc::config::Config config;
  - mozc::config::ConfigHandler::GetDefaultConfig(&config);
  mozc::ConversionRequest conversion_request =
  mozc::ConversionRequest(nullptr, &request, &config);
  conversion_request.set_max_conversion_candidates_size(
  