[Feature Request]: Add a native Logging transform to Java SDK

What would you like to happen?

AFAIK the Java SDK doesn't have an easy utility to print/log the outputs of a PCollection. I've always had to hack something together like:

    rows.apply(MapElements.into(strings()).via(row -> {
      System.out.println("row: " + row);
      return "";
    }));

Would be nice to have an easy utility that can be used like:

    rows.apply(Log.info());

The Python SDK has something like this: https://github.com/apache/beam/blob/26c6ec7cb749d60455c9895aa1be49d5cf552a75/sdks/python/apache_beam/transforms/util.py#L2183-L2197

Issue Priority

Priority: 2 (default / most feature requests should be filed as P2)

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