[mac] Add support for XCode 10
[mac] Add support for XCode 10

Change-Id: I442a1cd4605858b0800fc7d7686817936efd155e
Reviewed-on: http://gerrit.cloudera.org:8080/11602
Reviewed-by: Alexey Serbin <864f6b82bd94e8dda64141d4274519ee66e0102e@cloudera.com>
Tested-by: Kudu Jenkins
Reviewed-by: Attila Bukor <53758272babe3057a5ff4ad51afd9bfd6e6014a1@apache.org>
Tested-by: Attila Bukor <53758272babe3057a5ff4ad51afd9bfd6e6014a1@apache.org>

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