RFR: 8334618: ubsan: support setting additional ubsan check options

[Matthias Baesken]

Sometimes it would be helpful to have configure-support for adding additional ubsan check options.
E.g. support new configure option '--with-additional-ubsan-checks=<check-settings>' .

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Commit messages:
 - JDK-8334618

Changes: https://git.openjdk.org/jdk/pull/19802/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19802&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8334618
  Stats: 8 lines in 1 file changed: 7 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/19802.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19802/head:pull/19802

PR: https://git.openjdk.org/jdk/pull/19802