[SPARK-14704][CORE] create accumulators in TaskMetrics

## What changes were proposed in this pull request?

Before this PR, we create accumulators at driver side(and register them) and send them to executor side, then we create `TaskMetrics` with these accumulators at executor side.
After this PR, we will create `TaskMetrics` at driver side and send it to executor side, so that we can create accumulators inside `TaskMetrics` directly, which is cleaner.

## How was this patch tested?

existing tests.

Author: Wenchen Fan <wenchen@databricks.com>

Closes #12472 from cloud-fan/acc.

1 files changed, 2 insertions, 2 deletions

diff --git a/sql/core/src/test/scala/org/apache/spark/sql/execution/UnsafeRowSerializerSuite.scala b/sql/core/src/test/scala/org/apache/spark/sql/execution/UnsafeRowSerializerSuite.scala
index 01687877ee..53105e0b24 100644
--- a/sql/core/src/test/scala/org/apache/spark/sql/execution/UnsafeRowSerializerSuite.scala
+++ b/sql/core/src/test/scala/org/apache/spark/sql/execution/UnsafeRowSerializerSuite.scala
@@ -21,6 +21,7 @@ import java.io.{ByteArrayInputStream, ByteArrayOutputStream, File}
 import java.util.Properties
 
 import org.apache.spark._
+import org.apache.spark.executor.TaskMetrics
 import org.apache.spark.memory.TaskMemoryManager
 import org.apache.spark.rdd.RDD
 import org.apache.spark.sql.Row
@@ -113,8 +114,7 @@ class UnsafeRowSerializerSuite extends SparkFunSuite with LocalSparkContext {
         (i, converter(Row(i)))
       }
       val taskMemoryManager = new TaskMemoryManager(sc.env.memoryManager, 0)
-      val taskContext = new TaskContextImpl(
-        0, 0, 0, 0, taskMemoryManager, new Properties, null, InternalAccumulator.createAll(sc))
+      val taskContext = new TaskContextImpl(0, 0, 0, 0, taskMemoryManager, new Properties, null)
 
       val sorter = new ExternalSorter[Int, UnsafeRow, UnsafeRow](
         taskContext,