perfetto: refactor testing code to make benchmarks easier to write

Bug: 74380167
Change-Id: Idfb37433e610dd4871127fb5fe01fe6ca6ea28a1
diff --git a/tools/gen_tracing_cpp_headers_from_protos.py b/tools/gen_tracing_cpp_headers_from_protos.py
index fc250ac..d855c77 100755
--- a/tools/gen_tracing_cpp_headers_from_protos.py
+++ b/tools/gen_tracing_cpp_headers_from_protos.py
@@ -23,6 +23,7 @@
   'perfetto/config/data_source_descriptor.proto',
   'perfetto/config/ftrace/ftrace_config.proto',
   'perfetto/config/trace_config.proto',
+  'perfetto/config/test_config.proto',
   'perfetto/ipc/commit_data_request.proto',
 )