Fix Tricorder errors in BlindSignAuth

PiperOrigin-RevId: 561148673
diff --git a/build/source_list.json b/build/source_list.json
index 35fe79c..3be1a6b 100644
--- a/build/source_list.json
+++ b/build/source_list.json
@@ -1589,6 +1589,7 @@
     "quiche/blind_sign_auth/anonymous_tokens/cpp/testing/utils.h",
     "quiche/blind_sign_auth/blind_sign_auth.h",
     "quiche/blind_sign_auth/blind_sign_auth_interface.h",
+    "quiche/blind_sign_auth/blind_sign_auth_protos.h",
     "quiche/blind_sign_auth/blind_sign_http_interface.h",
     "quiche/blind_sign_auth/blind_sign_http_response.h",
     "quiche/blind_sign_auth/cached_blind_sign_auth.h",