Fix `onthrow` issue by passing the event info to the `initialize` method. This prevents `jdb` from receiving a broken exception event and throwing an internal NullPointerException, upon attaching to the JDWP-agent.
------------- Commit messages: - Fix onthrow issue Changes: https://git.openjdk.org/jdk/pull/16145/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16145&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8317920 Stats: 29 lines in 1 file changed: 18 ins; 3 del; 8 mod Patch: https://git.openjdk.org/jdk/pull/16145.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/16145/head:pull/16145 PR: https://git.openjdk.org/jdk/pull/16145
