HADOOP-18052. Support Apple Silicon in start-build-env.sh (#3817)
HADOOP-18052. Support Apple Silicon in start-build-env.sh (#3817)

Reviewed-by: Wei-Chiu Chuang <69b92d7faa6f3821f81872c17428713be71a6bb0@apache.org>
JingchengDu/hadoop,apache/hadoop,wwjiang007/hadoop,JingchengDu/hadoop,apache/hadoop,mapr/hadoop-common,wwjiang007/hadoop,mapr/hadoop-common,wwjiang007/hadoop,JingchengDu/hadoop,apache/hadoop,mapr/hadoop-common,JingchengDu/hadoop,JingchengDu/hadoop,apache/hadoop,mapr/hadoop-common,wwjiang007/hadoop,mapr/hadoop-common,mapr/hadoop-common,JingchengDu/hadoop,JingchengDu/hadoop,mapr/hadoop-common,apache/hadoop,wwjiang007/hadoop,wwjiang007/hadoop,apache/hadoop,wwjiang007/hadoop,apache/hadoop