[jdk17] RFR: 8268888: Upstream 8268230: Foreign Linker API & Windows user32/kernel32: String conversion seems broken [v2]

[Jorn Vernee]

> Upstream fix for 8268230 to mainline JDK.
> 
> Prior review thread can be found here: https://github.com/openjdk/panama-foreign/pull/554
> 
> Testing: jdk_foreign test suite on Windows and Linux (WSL).

Jorn Vernee has updated the pull request incrementally with one additional commit since the last revision:

  Exclude test on unsupported platforms
  
  This test indirectly initializes CABI, which fails on Linux x86

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

Changes:
  - all: https://git.openjdk.java.net/jdk17/pull/77/files
  - new: https://git.openjdk.java.net/jdk17/pull/77/files/08a8b081..20565c87

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk17&pr=77&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk17&pr=77&range=00-01

  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk17/pull/77.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17 pull/77/head:pull/77

PR: https://git.openjdk.java.net/jdk17/pull/77