Review Request: HIVE-3479 - Bug fix: Return the child JVM exit code to the parent process to handle the error conditions

[Kanna Karanam]

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https://reviews.apache.org/r/7152/
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Review request for hive.


Description
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It is a bug in the script and noticed it while fixing some of the Negative CLI 
test failures


This addresses bug HIVE-3479.
    https://issues.apache.org/jira/browse/HIVE-3479


Diffs
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  trunk/testutils/hadoop.cmd 1387251 

Diff: https://reviews.apache.org/r/7152/diff/


Testing
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Tested it on Windows as well as on Unix


Thanks,

Kanna Karanam