tree ae1fee5583ace4a17be4f19eb05e673bf18f443d
parent f17508760898e0debeb4ae7ff6455d664577c647
author Ying Wang <wangying@google.com> 1396487710 -0700
committer Ying Wang <wangying@google.com> 1396487710 -0700

Unset _JAVA_OPTIONS before running "java -version".

Unfortunately the previous approach of grepping out java version before
"head -n 1" clash with the effort of running "java -version" only once.

Change-Id: Ic78719c3bf1a54a45342d74bbbfa8e83bbc1bce1