!996 move end_task after assignadd on iterator_loop case

From: @wangxiaotian22
Reviewed-by: @xchu42,@wqtshg
Signed-off-by: @ji_chen

ge/graph/build/task_generator.cc

@@ -673,7 +673,7 @@ Status TaskGenerator::AutoFindBpOpIndex(const ComputeGraphPtr &graph, ProfilingP
       }
     }
     if (graph->GetNeedIteration()) {
-      if (op_desc->GetName() == NODE_NAME_NET_OUTPUT + '_' + NODE_NAME_STREAM_SWITCH + "_StreamActive") {
+      if (op_desc->GetName() == NODE_NAME_FLOWCTRL_LOOP_ASSIGNADD) {
         profiling_point.end_index.insert(current_idx);
         GELOGI("Iter end name %s, idx %u, from Node_Output_IteratorCtrl_StreamSwitch_StreamActive",
                op_desc->GetName().c_str(), current_idx);