add LD_PRELOAD to init_spark_on_yarn (#2828)
add LD_PRELOAD to init_spark_on_yarn (#2828)

* add LD_PRELOAD

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