Make get_label_info take into account the toolchain for target_gen_dir

tools/gn/ninja_create_bundle_target_writer.cc

Index: tools/gn/ninja_create_bundle_target_writer.cc
diff --git a/tools/gn/ninja_create_bundle_target_writer.cc b/tools/gn/ninja_create_bundle_target_writer.cc
index 351ec0c883e91666e1861fa1e51b82ed69ed1511..3b87129f11892a7b70a33e4b03937aafc0fefaec 100644
--- a/tools/gn/ninja_create_bundle_target_writer.cc
+++ b/tools/gn/ninja_create_bundle_target_writer.cc
@@ -174,9 +174,7 @@ NinjaCreateBundleTargetWriter::WriteCompileAssetsCatalogInputDepsStamp(
     return dependencies[0]->dependency_output_file();
 
   OutputFile xcassets_input_stamp_file =
-      OutputFile(RebasePath(GetTargetOutputDir(target_).value(),
-                            settings_->build_settings()->build_dir(),
-                            settings_->build_settings()->root_path_utf8()));
+      GetBuildDirForTargetAsOutputFile(target_, BuildDirType::OBJ);
   xcassets_input_stamp_file.value().append(target_->label().name());
   xcassets_input_stamp_file.value().append(".xcassets.inputdeps.stamp");
 
@@ -261,9 +259,7 @@ OutputFile NinjaCreateBundleTargetWriter::WriteCodeSigningInputDepsStamp(
                      dependencies.end());
 
   OutputFile code_signing_input_stamp_file =
-      OutputFile(RebasePath(GetTargetOutputDir(target_).value(),
-                            settings_->build_settings()->build_dir(),
-                            settings_->build_settings()->root_path_utf8()));
+      GetBuildDirForTargetAsOutputFile(target_, BuildDirType::OBJ);
   code_signing_input_stamp_file.value().append(target_->label().name());
   code_signing_input_stamp_file.value().append(".codesigning.inputdeps.stamp");