Update config.json

config.json

@@ -4,11 +4,12 @@ learner: "GRADIENT_BOOSTED_TREES"
 [yggdrasil_decision_forests.model.gradient_boosted_trees.proto.gradient_boosted_trees_config] {
 num_trees: 1000
 use_hessian_gain: true
-validation_set_ratio: 0.0
+validation_set_ratio: 0.1
 early_stopping: NONE
-decision_tree {
+GradientBoostedTreesModel {
     growing_strategy_best_first_global { max_num_nodes: 64 }
     sparse_oblique_split {}
     categorical { random {} }
+get_compile_flags()
  }
 }