RFR: 8339289: Parameter size mismatch between client and VM sides of the Attach API - Windows [v4]

[Alex Menkov]

> The fix improves Attch API protocol and implements updated protocol on windows; shared code is ready to implement updated protocol support on other platforms.
> More detailed explanations on the 1st comment.
> 
> Testing: tier1,tier2,tier3,tier4,hs-tier5-svc
>   manually tested backward compatibility (old tools can attach to current VMs, current tools can attach to older VMs) on Windows with jdk21u and jdk8u.

Alex Menkov has updated the pull request incrementally with two additional commits since the last revision:

 - updated comment
 - feedback

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/20782/files
  - new: https://git.openjdk.org/jdk/pull/20782/files/1fed4ea6..86bd1cd2

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=20782&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=20782&range=02-03

  Stats: 8 lines in 1 file changed: 0 ins; 0 del; 8 mod
  Patch: https://git.openjdk.org/jdk/pull/20782.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/20782/head:pull/20782

PR: https://git.openjdk.org/jdk/pull/20782