Add aggregatable debug reporting routes to RoutesBuilder (#46569)

Author: linnan-github

tools/serve/serve.py

@@ -599,6 +599,7 @@ def add_mount_point(self, url_base, path):
             ("*", "/.well-known/attribution-reporting/debug/report-event-attribution", handlers.PythonScriptHandler),
             ("*", "/.well-known/attribution-reporting/report-aggregate-attribution", handlers.PythonScriptHandler),
             ("*", "/.well-known/attribution-reporting/debug/report-aggregate-attribution", handlers.PythonScriptHandler),
+            ("*", "/.well-known/attribution-reporting/debug/report-aggregate-debug", handlers.PythonScriptHandler),
             ("*", "/.well-known/attribution-reporting/debug/verbose", handlers.PythonScriptHandler),
             ("GET", "/.well-known/interest-group/permissions/", handlers.PythonScriptHandler),
             ("*", "/.well-known/private-aggregation/*", handlers.PythonScriptHandler),