Add FixExpand and add more options to AspectScale (#2253)
Add FixExpand and add more options to AspectScale (#2253)

* Add FixExpand and add more options to AspectScale

* fix ut

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