RFR: 8343085: jpackage Executor outputs verbose log messages even if run in the quiet mode

[Alexander Matveev]

- All verbose log messages in Executor will only be shown if mode is not quite to eliminate partial and unnecessary log messages.

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Commit messages:
 - 8343085: jpackage Executor outputs verbose log messages even if run in the quiet mode

Changes: https://git.openjdk.org/jdk/pull/21779/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21779&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8343085
  Stats: 5 lines in 1 file changed: 3 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/21779.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21779/head:pull/21779

PR: https://git.openjdk.org/jdk/pull/21779