Fix numerous debug agent issues and testing deficiencies related to Thread.interrupt(). As a first read you should look at the description in the CR. More details in first comment below.
Also, this PR is dependent on the fix for [JDK-8325187](https://bugs.openjdk.org/browse/JDK-8325187). The test might generate GHA failures in the meantime. Tested with all svc tier1, tier2, and tier5 tests. ------------- Commit messages: - Undo some test changes that were suppose to be temporary - Improved debug agent thread interrupt handling Changes: https://git.openjdk.org/jdk/pull/17989/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17989&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8324868 Stats: 299 lines in 3 files changed: 173 ins; 62 del; 64 mod Patch: https://git.openjdk.org/jdk/pull/17989.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/17989/head:pull/17989 PR: https://git.openjdk.org/jdk/pull/17989
