Cherry-pick #20912 to 7.x: [Filebeat] add panos type and sub_type#21102

Merged

leehinman merged 1 commit intoelastic:7.xfrom leehinman:backport_20912_7.x

Sep 16, 2020

+879-38

Commits on Sep 15, 2020

[Filebeat] add panos type and sub_type (elastic#20912 )
leehinman
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