[SPARK-39676][CORE][TESTS] Add task partition id for TaskInfo assertEquals method in JsonProtocolSuite

### What changes were proposed in this pull request?

In #35185 , task partition id was added in taskInfo. And, JsonProtocolSuite#assertEquals about TaskInfo doesn't have partitionId.

### Why are the changes needed?

Should assert partitionId equals or not.

### Does this PR introduce _any_ user-facing change?

No.

### How was this patch tested?

No need to add unit test.

Closes #37081 from dcoliversun/SPARK-39676.

Authored-by: Qian.Sun <qian.sun2020@gmail.com>
Signed-off-by: Hyukjin Kwon <gurwls223@apache.org>

Author: dcoliversun

core/src/test/scala/org/apache/spark/util/JsonProtocolSuite.scala

@@ -790,6 +790,8 @@ private[spark] object JsonProtocolSuite extends Assertions {
     assert(info1.taskId === info2.taskId)
     assert(info1.index === info2.index)
     assert(info1.attemptNumber === info2.attemptNumber)
+    // The "Partition ID" field was added in Spark 3.3.0
+    assert(info1.partitionId === info2.partitionId)
     assert(info1.launchTime === info2.launchTime)
     assert(info1.executorId === info2.executorId)
     assert(info1.host === info2.host)