[SPARK-38142][SQL][TESTS] Move ArrowColumnVectorSuite to `org.apach…

…e.spark.sql.vectorized`

### What changes were proposed in this pull request?
This PR proposes to move `ArrowColumnVectorSuite` to `org.apache.spark.sql.vectorized` so that the package names match

### Why are the changes needed?
Currently `ArrowColumnVector` is under `org.apache.spark.sql.vectorized`. However, `ArrowColumnVectorSuite` is under `org.apache.spark.sql.execution.vectorized`.

### Does this PR introduce _any_ user-facing change?
No

### How was this patch tested?
Existing tests

Closes #35448 from kazuyukitanimura/SPARK-38142.

Authored-by: Kazuyuki Tanimura <ktanimura@apple.com>
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>
(cherry picked from commit 5b02a34)
Signed-off-by: Dongjoon Hyun <dongjoon@apache.org>

sql/core/src/test/scala/org/apache/spark/sql/execution/vectorized/ArrowColumnVectorSuite.scala → sql/core/src/test/scala/org/apache/spark/sql/vectorized/ArrowColumnVectorSuite.scala

@@ -15,15 +15,14 @@
  * limitations under the License.
  */
 
-package org.apache.spark.sql.execution.vectorized
+package org.apache.spark.sql.vectorized
 
 import org.apache.arrow.vector._
 import org.apache.arrow.vector.complex._
 
 import org.apache.spark.SparkFunSuite
 import org.apache.spark.sql.types._
 import org.apache.spark.sql.util.ArrowUtils
-import org.apache.spark.sql.vectorized.ArrowColumnVector
 import org.apache.spark.unsafe.types.UTF8String
 
 class ArrowColumnVectorSuite extends SparkFunSuite {