[rllib] [build-fix] ES iterations get unexpectedly long (#1235)
[rllib] [build-fix] ES iterations get unexpectedly long (#1235)

* fix very long es

* Revert prior change.

* Shorten ES jenkins tests.

atumanov/ray,stephanie-wang/ray,pcmoritz/ray-1,stephanie-wang/ray,richardliaw/ray,pcmoritz/ray-1,stephanie-wang/ray,atumanov/ray,robertnishihara/ray,stephanie-wang/ray,stephanie-wang/ray,robertnishihara/ray,ray-project/ray,pcmoritz/ray-1,ray-project/ray,robertnishihara/ray,richardliaw/ray,ray-project/ray,ujvl/ray-ng,robertnishihara/ray,atumanov/ray,atumanov/ray,robertnishihara/ray,richardliaw/ray,robertnishihara/ray,pcmoritz/ray-1,stephanie-wang/ray,ujvl/ray-ng,robertnishihara/ray,stephanie-wang/ray,ujvl/ray-ng,atumanov/ray,stephanie-wang/ray,richardliaw/ray,pcmoritz/ray-1,ray-project/ray,pcmoritz/ray-1,richardliaw/ray,atumanov/ray,robertnishihara/ray,richardliaw/ray,richardliaw/ray,pcmoritz/ray-1,ujvl/ray-ng,robertnishihara/ray,atumanov/ray,stephanie-wang/ray,pcmoritz/ray-1,ray-project/ray,ray-project/ray,ray-project/ray,ray-project/ray,richardliaw/ray,atumanov/ray