SWDEV-488033 - Add dependency between memcpy node for child graph.

Since 29cc678d8d H2D can't be synced always so it's good to have dependency set.

Change-Id: I7d757a9b6afd3cf7064dc3b7014677cdf754125a


[ROCm/hip-tests commit: 8515ac9b2f]

projects/hip-tests/catch/unit/graph/hipGraphDebugDotPrint.cc

@@ -226,7 +226,7 @@ static void hipGraphDebugDotPrint_Functional(const char* fName,
   HIP_CHECK(hipGraphAddMemcpyNodeFromSymbol(&memcpyFromSymbolNode, childGraph,
                                      nullptr, 0, B_h, HIP_SYMBOL(globalIn),
                                      Nbytes, 0, hipMemcpyDeviceToHost));
-
+  HIP_CHECK(hipGraphAddDependencies(childGraph, &memcpyToSymbolNode, &memcpyFromSymbolNode, 1));
   // Add memset node to graph & validate its DebugDotPrint descriptions
   hipMemsetParams memsetParams{};
   memset(&memsetParams, 0, sizeof(memsetParams));
@@ -244,7 +244,7 @@ static void hipGraphDebugDotPrint_Functional(const char* fName,
                                       nullptr, 0, childGraph));
 
   std::map<std::string, unsigned> graphData;
-  graphData["->"] = 3;       //  number of edges
+  graphData["->"] = 4;       //  number of edges
   graphData["MEMCPY"] = 6;
   graphData["HtoA"] = 1;
   graphData["HtoD"] = 3;