[7.x] [Maps] add Top term aggregation (#57875)#58599

Merged

nreese merged 1 commit intoelastic:7.xfrom nreese:backport/7.x/pr-57875

Feb 26, 2020

+726-416

Commits on Feb 26, 2020

[Maps] add Top term aggregation (elastic#57875 )

nreese
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elasticmachine
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