Fix PUBDEV-2987: Allow learn_rate_annealing to be passed to H2OGBMEstimator.
Fix PUBDEV-2987: Allow learn_rate_annealing to be passed to H2OGBMEstimator.

jangorecki/h2o-3,h2oai/h2o-dev,h2oai/h2o-3,michalkurka/h2o-3,mathemage/h2o-3,jangorecki/h2o-3,h2oai/h2o-3,h2oai/h2o-3,h2oai/h2o-dev,h2oai/h2o-3,h2oai/h2o-3,jangorecki/h2o-3,spennihana/h2o-3,spennihana/h2o-3,jangorecki/h2o-3,jangorecki/h2o-3,michalkurka/h2o-3,mathemage/h2o-3,jangorecki/h2o-3,spennihana/h2o-3,h2oai/h2o-dev,h2oai/h2o-dev,h2oai/h2o-3,h2oai/h2o-dev,h2oai/h2o-3,michalkurka/h2o-3,h2oai/h2o-dev,michalkurka/h2o-3,h2oai/h2o-3,spennihana/h2o-3,michalkurka/h2o-3,h2oai/h2o-dev,mathemage/h2o-3,spennihana/h2o-3,mathemage/h2o-3,mathemage/h2o-3,michalkurka/h2o-3,michalkurka/h2o-3,mathemage/h2o-3,mathemage/h2o-3,jangorecki/h2o-3,spennihana/h2o-3,spennihana/h2o-3