RFR: 8324868: debug agent does not properly handle interrupts of a virtual thread [v2]

[Chris Plummer]

> 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.

Chris Plummer has updated the pull request incrementally with one additional commit since the last revision:

  review feed back. fix up some comments.

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Changes:
  - all: https://git.openjdk.org/jdk/pull/17989/files
  - new: https://git.openjdk.org/jdk/pull/17989/files/e31a5ef8..0ba5b0ff

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=17989&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=17989&range=00-01

  Stats: 7 lines in 1 file changed: 4 ins; 0 del; 3 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