RFR: 7903181: port jextract for foreign-preview changes [v2]

[Athijegannathan Sundararajan]

> 7903181: port jextract for foreign-preview changes

Athijegannathan Sundararajan has updated the pull request incrementally with one additional commit since the last revision:

  scope name changed to session (per review comments)

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Changes:
  - all: https://git.openjdk.java.net/jextract/pull/35/files
  - new: https://git.openjdk.java.net/jextract/pull/35/files/4f0d0b13..f8d55729

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jextract&pr=35&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jextract&pr=35&range=00-01

  Stats: 153 lines in 37 files changed: 0 ins; 0 del; 153 mod
  Patch: https://git.openjdk.java.net/jextract/pull/35.diff
  Fetch: git fetch https://git.openjdk.java.net/jextract pull/35/head:pull/35

PR: https://git.openjdk.java.net/jextract/pull/35