[SPARK-9586] [ML] Update BinaryClassificationEvaluator to use setRawPredictionCol

Update BinaryClassificationEvaluator to use setRawPredictionCol, rather than setScoreCol. Deprecated setScoreCol.

I don't think setScoreCol was actually used anywhere (based on search).

CC: mengxr

Author: Joseph K. Bradley <joseph@databricks.com>

Closes #7921 from jkbradley/binary-eval-rawpred and squashes the following commits:

e5d7dfa [Joseph K. Bradley] Update BinaryClassificationEvaluator to use setRawPredictionCol

mllib/src/main/scala/org/apache/spark/ml/evaluation/BinaryClassificationEvaluator.scala

@@ -28,7 +28,7 @@ import org.apache.spark.sql.types.DoubleType
 
 /**
  * :: Experimental ::
- * Evaluator for binary classification, which expects two input columns: score and label.
+ * Evaluator for binary classification, which expects two input columns: rawPrediction and label.
  */
 @Experimental
 class BinaryClassificationEvaluator(override val uid: String)
@@ -50,6 +50,13 @@ class BinaryClassificationEvaluator(override val uid: String)
   def setMetricName(value: String): this.type = set(metricName, value)
 
   /** @group setParam */
+  def setRawPredictionCol(value: String): this.type = set(rawPredictionCol, value)
+
+  /**
+   * @group setParam
+   * @deprecated use [[setRawPredictionCol()]] instead
+   */
+  @deprecated("use setRawPredictionCol instead", "1.5.0")
   def setScoreCol(value: String): this.type = set(rawPredictionCol, value)
 
   /** @group setParam */