[SPARK-35412][SQL] Fix a bug in groupBy of year-month/day-time intervals

[maropu]

What changes were proposed in this pull request?

To fix a bug below in groupBy of year-month/day-time intervals, this PR proposes to make HashMapGenerator handle the two types for hash-aggregates;

scala> Seq(java.time.Duration.ofDays(1)).toDF("a").groupBy("a").count().show()
scala.MatchError: DayTimeIntervalType (of class org.apache.spark.sql.types.DayTimeIntervalType$)
  at org.apache.spark.sql.execution.aggregate.HashMapGenerator.genComputeHash(HashMapGenerator.scala:159)
  at org.apache.spark.sql.execution.aggregate.HashMapGenerator.$anonfun$generateHashFunction$1(HashMapGenerator.scala:102)
  at scala.collection.TraversableLike.$anonfun$map$1(TraversableLike.scala:238)
  at scala.collection.immutable.List.foreach(List.scala:392)
  at scala.collection.TraversableLike.map(TraversableLike.scala:238)
  at scala.collection.TraversableLike.map$(TraversableLike.scala:231)
  at scala.collection.immutable.List.map(List.scala:298)
  at org.apache.spark.sql.execution.aggregate.HashMapGenerator.genHashForKeys$1(HashMapGenerator.scala:99)
  at org.apache.spark.sql.execution.aggregate.HashMapGenerator.generateHashFunction(HashMapGenerator.scala:111)

Why are the changes needed?

Bugfix.

Does this PR introduce any user-facing change?

No.

How was this patch tested?

Added a unit test.

[SparkQA]

Kubernetes integration test starting
URL: https://amplab.cs.berkeley.edu/jenkins/job/SparkPullRequestBuilder-K8s/43108/

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Kubernetes integration test status failure
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[SparkQA]

Test build #138587 has finished for PR 32560 at commit 7e7a3f3.

• This patch passes all tests.
• This patch merges cleanly.
• This patch adds no public classes.

[dongjoon-hyun]

+1, LGTM. Thank you, @maropu and @srowen .
Merged to master.

[maropu]

Thank you, @srowen @dongjoon-hyun