Add gbenchmark for strings find/contains functions#7392

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rapids-bot[bot] merged 6 commits intorapidsai:branch-0.19from davidwendt:benchmark-strings-find

Feb 19, 2021

+109-11

Commits on Feb 16, 2021

Commits on Feb 17, 2021

Commits on Feb 19, 2021

fix merge conflicts
davidwendt
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