SWDEV-496544 - Reset mem alloc node count for AutoFreeOnLaunch.

Change-Id: Ib32b04584548a46632606ecd85b58c6ce4a5894d

hipamd/src/hip_graph_internal.cpp

@@ -832,6 +832,7 @@ hipError_t GraphExec::Run(hipStream_t graph_launch_stream) {
   if (flags_ & hipGraphInstantiateFlagAutoFreeOnLaunch) {
     if (!topoOrder_.empty()) {
       topoOrder_[0]->GetParentGraph()->FreeAllMemory(launch_stream);
+      topoOrder_[0]->GetParentGraph()->memalloc_nodes_ = 0;
     }
   }