Properly order signal copy agent tagging with copy operation.

Change-Id: Ic428c958551279fbea1b2449afba930b82804ede

runtime/hsa-runtime/core/runtime/amd_gpu_agent.cpp

@@ -643,15 +643,14 @@ hsa_status_t GpuAgent::DmaCopy(void* dst, core::Agent& dst_agent,
     return HSA_STATUS_ERROR_OUT_OF_RESOURCES;
   }
 
-  hsa_status_t stat =
-      blit->SubmitLinearCopyCommand(dst, src, size, dep_signals, out_signal);
-
-  if (profiling_enabled() && HSA_STATUS_SUCCESS == stat) {
+  if (profiling_enabled()) {
     // Track the agent so we could translate the resulting timestamp to system
     // domain correctly.
     out_signal.async_copy_agent(this);
   }
 
+  hsa_status_t stat = blit->SubmitLinearCopyCommand(dst, src, size, dep_signals, out_signal);
+
   return stat;
 }