ant: tweak ant task logging

[rotty3000]

For example, I think the way logging is handled in JPMSModuleInfoPlugin is not ideal. Seems noisy without easy means of control.

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[github-actions[bot]]

This issue has been automatically closed due to inactivity. If you can reproduce this on a recent version of Bnd/Bndtools or if you have a good use case for this feature, please feel free to reopen the issue with steps to reproduce, a quick explanation of your use case or a high-quality pull request.