Fix type-hidden issues

Author: maropu

sql/catalyst/src/main/scala/org/apache/spark/sql/types/StructType.scala

@@ -25,7 +25,7 @@ import org.json4s.JsonDSL._
 import org.apache.spark.SparkException
 import org.apache.spark.annotation.DeveloperApi
 import org.apache.spark.sql.catalyst.expressions.{Attribute, AttributeReference, InterpretedOrdering}
-import org.apache.spark.sql.catalyst.util.{DataTypeParser, LegacyTypeStringParser}
+import org.apache.spark.sql.catalyst.util.LegacyTypeStringParser
 
 /**
  * :: DeveloperApi ::

sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/json/JacksonParser.scala

@@ -28,7 +28,7 @@ import org.apache.spark.sql.catalyst.InternalRow
 import org.apache.spark.sql.catalyst.expressions._
 import org.apache.spark.sql.catalyst.util._
 import org.apache.spark.sql.execution.datasources.json.JacksonUtils.nextUntil
-import org.apache.spark.sql.types._
+import org.apache.spark.sql.types.{ArrayBasedMapData => _, _}
 import org.apache.spark.unsafe.types.UTF8String
 import org.apache.spark.util.Utils
 

sql/hive/src/main/scala/org/apache/spark/sql/hive/HiveInspectors.scala

@@ -31,7 +31,7 @@ import org.apache.spark.sql.catalyst.InternalRow
 import org.apache.spark.sql.catalyst.expressions._
 import org.apache.spark.sql.catalyst.util._
 import org.apache.spark.sql.types
-import org.apache.spark.sql.types._
+import org.apache.spark.sql.types.{ArrayBasedMapData => _, _}
 import org.apache.spark.unsafe.types.UTF8String
 
 /**