Reserves failure details field numbers for internal use

RELNOTES: None.
PiperOrigin-RevId: 314471725
diff --git a/src/main/protobuf/failure_details.proto b/src/main/protobuf/failure_details.proto
index 8fa25ea..6cfe01f 100644
--- a/src/main/protobuf/failure_details.proto
+++ b/src/main/protobuf/failure_details.proto
@@ -141,6 +141,7 @@
   reserved 138; // For internal use
   reserved 143; // For internal use
   reserved 149; // For internal use
+  reserved 155; // For internal use
 }
 
 message Interrupted {
@@ -762,4 +763,4 @@
   }
 
   Code code = 1;
-}
\ No newline at end of file
+}