062a53e6a1
- Enable Unit_hipGraphInstantiateWithFlags_DependencyGraph for AMD.
- Add stream sync for null stream.
- Fix Unit_hipGraphInstantiateWithFlags_DependencyGraph.
change-Id: I5774563fdfed1afd29a43927f3630adbfb75c48a
[ROCm/hip commit: 53599bce3e]