[jdk20] RFR: 8299090: Specify coordinate order for additional CaptureCallState parameters on class as well

[Jorn Vernee]

A small doc clarification that also specifies where the additional MemorySegment parameter of a downcall method handle linked with the captureCallState option appears in the parameter list, on the CaptureCallState class.

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Commit messages:
 - add parameter order clarification

Changes: https://git.openjdk.org/jdk20/pull/95/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk20&pr=95&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8299090
  Stats: 4 lines in 1 file changed: 4 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk20/pull/95.diff
  Fetch: git fetch https://git.openjdk.org/jdk20 pull/95/head:pull/95

PR: https://git.openjdk.org/jdk20/pull/95