[client_channel] Minimal stack should not include retry filter (#29929)

src/core/ext/filters/client_channel/client_channel.cc

@@ -1498,6 +1498,7 @@ void ClientChannel::UpdateServiceConfigInDataPlaneLocked() {
       channel_args_, args_to_add.data(), args_to_add.size());
   new_args = config_selector->ModifyChannelArgs(new_args);
   bool enable_retries =
+      !grpc_channel_args_want_minimal_stack(new_args) &&
       grpc_channel_args_find_bool(new_args, GRPC_ARG_ENABLE_RETRIES, true);
   // Construct dynamic filter stack.
   std::vector<const grpc_channel_filter*> filters =