Clean-up the list of blocking streams

- Insert the stream into the list on the host queue creation,
instead of stream creation

Change-Id: Ib25053019f7df97e5bc786922a6587b9514852d3

vdi/hip_event.cpp

@@ -217,18 +217,14 @@ hipError_t hipEventRecord(hipEvent_t event, hipStream_t stream) {
     HIP_RETURN(hipErrorInvalidHandle);
   }
 
-  hip::Event* e = reinterpret_cast<hip::Event*>(event);
-
-  hip::Stream* s = reinterpret_cast<hip::Stream*>(stream);
   amd::HostQueue* queue = hip::getQueue(stream);
-
   amd::Command* command = queue->getLastQueuedCommand(true);
-
   if (command == nullptr) {
     command = new amd::Marker(*queue, false);
     command->enqueue();
   }
 
+  hip::Event* e = reinterpret_cast<hip::Event*>(event);
   e->addMarker(queue, command);
 
   HIP_RETURN(hipSuccess);