[Filebeat][Gsuite] Adds Admin audit Fileset (elastic#19769)

* Add application settings

* Add calendar settings

* Add chat settings

* Add chrome os settings

* Add contacts settings

* Add delegated admin settings

* Add drive

* Add sites

* Add licences settings

* Add groups settings

* Add gmail settings

* Add org settings

* Add security settings and split test files

* Add domain settings

* Add user settings

* Add mobile settings

* Add CHANGELOG entry

* Generate fields.go

Author: marc-gr

CHANGELOG.next.asciidoc

@@ -57,6 +57,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Adds Gsuite module with SAML support. {pull}19329[19329]
 - Adds Gsuite User Accounts support. {pull}19329[19329]
 - Adds Gsuite Login audit support. {pull}19702[19702]
+- Adds Gsuite Admin support. {pull}19769[19769]
 
 *Heartbeat*