Add include_container option for flattened_layers (#1941)
Add include_container option for flattened_layers (#1941)

* update

* style

yangw1234/BigDL,yangw1234/BigDL,intel-analytics/BigDL,intel-analytics/BigDL,intel-analytics/BigDL,yangw1234/BigDL,intel-analytics/BigDL,yangw1234/BigDL