RFR: 8329491: GetThreadListStackTraces function should use JvmtiHandshake [v2]

[Serguei Spitsyn]

> The internal JVM TI `JvmtiHandshake` and `JvmtiUnitedHandshakeClosure` classes were introduced in the JDK 22 to unify/simplify the JVM TI functions supporting implementation of the virtual threads. This enhancement is to refactor the JVM TI function `GetThreadListStackTraces` on the base of `JvmtiHandshake` and `JvmtiUnitedHandshakeClosure` classes.
> 
> Testing:
>  - Ran mach5 tiers 1-6

Serguei Spitsyn has updated the pull request incrementally with one additional commit since the last revision:

  review: cleanup - removed temporary logging used for debugging

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18574/files
  - new: https://git.openjdk.org/jdk/pull/18574/files/86cb34e7..8f048d34

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18574&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18574&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/18574.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18574/head:pull/18574

PR: https://git.openjdk.org/jdk/pull/18574