RFR: 7903669: jextract-22 jextract tool shows enable native access warning

[Athijegannathan Sundararajan]

--add-options was defined twice in jlink command line. The latter one overrides the previous one! To specify multiple launcher options, single --add-options with quoted, space separated options has to specified in the jlink command line.

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Commit messages:
 - 7903669: jextract-22 jextract tool shows enable native access warning

Changes: https://git.openjdk.org/jextract/pull/220/files
 Webrev: https://webrevs.openjdk.org/?repo=jextract&pr=220&range=00
  Issue: https://bugs.openjdk.org/browse/CODETOOLS-7903669
  Stats: 3 lines in 1 file changed: 0 ins; 2 del; 1 mod
  Patch: https://git.openjdk.org/jextract/pull/220.diff
  Fetch: git fetch https://git.openjdk.org/jextract.git pull/220/head:pull/220

PR: https://git.openjdk.org/jextract/pull/220