RFR: 8368960: Adjust java UL logging in the build [v3]

[Matthias Baesken]

> In the build process, unwanted UL error/warning messages can pollute stdout and influence the build process/results.
> 
> An example is the polluted blocked.certs file from https://bugs.openjdk.org/browse/JDK-8357691 .

Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:

  Adjust logging in the build instead of just disabling it

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/27588/files
  - new: https://git.openjdk.org/jdk/pull/27588/files/d674a86f..498d70f3

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=27588&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=27588&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/27588.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27588/head:pull/27588

PR: https://git.openjdk.org/jdk/pull/27588