[hms] use IPv4 for mini HMS
[hms] use IPv4 for mini HMS

This patch explictly uses IPv4 protocol in the JVM environment options
that are passed to the mini HMS, to avoid IPv6 being accidentally used,
because IPv6 is not supported in Hadoop yet (https://wiki.apache.org/hadoop/HadoopIPv6).

Change-Id: I0ceeccb45f3cdd13ccdc5ed77e0675ae5442f808
Reviewed-on: http://gerrit.cloudera.org:8080/11276
Reviewed-by: Adar Dembo <866ca730bfc7f544e3ebce604ceeba4879f23df0@cloudera.com>
Tested-by: Kudu Jenkins
Reviewed-by: Dan Burkert <4ef91e292a55314d2653d35ff669a6bd939ce515@apache.org>

helifu/kudu,helifu/kudu,helifu/kudu,InspurUSA/kudu,helifu/kudu,helifu/kudu,InspurUSA/kudu,InspurUSA/kudu,InspurUSA/kudu,InspurUSA/kudu,InspurUSA/kudu,helifu/kudu,helifu/kudu,InspurUSA/kudu,InspurUSA/kudu,helifu/kudu,helifu/kudu,InspurUSA/kudu