RFR: 8343633: The ClassLoader::print_counters() prints to stdout when logging is enabled.

[Coleen Phillimore]

Please review this small change to make print_counters() use logging.
Tested with tier1-4.

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Commit messages:
 - 8343633: The ClassLoader::print_counters() prints to stdout when logging is enabled.

Changes: https://git.openjdk.org/jdk/pull/22065/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22065&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8343633
  Stats: 43 lines in 3 files changed: 26 ins; 4 del; 13 mod
  Patch: https://git.openjdk.org/jdk/pull/22065.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22065/head:pull/22065

PR: https://git.openjdk.org/jdk/pull/22065