add java_home to standalone env (#2829)
add java_home to standalone env (#2829)

* add java_home to standalone env

* some update
intel-analytics/BigDL,yangw1234/BigDL,yangw1234/BigDL,intel-analytics/BigDL,intel-analytics/BigDL,yangw1234/BigDL,yangw1234/BigDL,intel-analytics/BigDL