[Transform] add support for percentile aggs#51808

Merged

hendrikmuhs merged 2 commits intoelastic:masterfrom

hendrikmuhs:transform-percentile

Feb 4, 2020

Commits on Feb 3, 2020

apply spotless code formatting
Hendrik Muhs
committed
make transform ready for multi value aggregations and add support for percentile
Hendrik Muhs
committed