cleanup: remove unused parameter to ImportResolver

Bug: n/a
Test: m
Change-Id: Iae43b898de102082c97e77ad65cd2b2dddb70fb5
diff --git a/aidl_unittest.cpp b/aidl_unittest.cpp
index e2a37ac..c59b469 100644
--- a/aidl_unittest.cpp
+++ b/aidl_unittest.cpp
@@ -104,7 +104,7 @@
     args.emplace_back(path);
     Options options = Options::From(args);
     vector<string> imported_files;
-    ImportResolver import_resolver{io_delegate_, path, import_paths_, {}};
+    ImportResolver import_resolver{io_delegate_, path, import_paths_};
     AidlError actual_error = ::android::aidl::internals::load_and_validate_aidl(
         path, options, io_delegate_, &typenames_, &imported_files);