Cherry-pick #16450 to 7.x: [Filebeat] Update fileset input merging to replaces paths and append processors.#16525

Merged

blakerouse merged 1 commit intoelastic:7.xfrom blakerouse:backport_16450_7.x

Feb 24, 2020

+250-41

Commits on Feb 24, 2020

[Filebeat] Update fileset input merging to replaces paths and append processors. (elastic#16450 )
blakerouse
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