RFR: 8373295: Wrong log tag for UseCompressedOops ergo setting

[Ioi Lam]

Please review this trivial change: Ergonomic settings of `UseCompressedOops` should be logged with `log_debug(gc, heap, coops)`


Note: this is the same log channel used just a few lines above.

https://github.com/openjdk/jdk/blob/c9ab330b7bdd3cc2410ffdb336a63aa0ac7256a3/src/hotspot/share/runtime/arguments.cpp#L1579-L1586

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Commit messages:
 - 8373295: Wrong log tag for UseCompressedOops ergo setting

Changes: https://git.openjdk.org/jdk/pull/28716/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28716&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8373295
  Stats: 4 lines in 1 file changed: 0 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/28716.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/28716/head:pull/28716

PR: https://git.openjdk.org/jdk/pull/28716