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PARQUET-2423: [C++][Parquet] Avoid allocating buffer object in RecordReader's SkipRecords (#39818)

### Rationale for this change

Currently each invocation of `SkipRecords()` for non-repeated fields would [create a new buffer](https://github.com/apache/arrow/blob/main/cpp/src/parquet/column_reader.cc#L1482) object to hold a decoded validity bitmpa. It is not useful as we are merely counting how many defined values are in the internal buffer, not reusing the validity bitmap.

### What changes are included in this PR?

* Remove temporary validity bitmap, just counting the definition levels at the max value instead. This improves performance when skipping non-repeated records.
* Add a new microbenchmark for reading and skipping alternatively from a RecordReader.

### Are these changes tested?

Yes.

### Are there any user-facing changes?

No.

Lead-authored-by: jp0317 <zjpzlz@gmail.com>
Co-authored-by: Antoine Pitrou <antoine@python.org>
Co-authored-by: Jinpeng <zjpzlz@163.com>
Signed-off-by: Antoine Pitrou <antoine@python.org>