RFR: 8345155: Add /native to native test in FFM

Wed Feb 5 09:04:58 UTC 2025

Hi all,

This PR add `/native` keyword in the test header for FFM tests. The `/native` keyword will make run the related tests by jtreg standalone more friendly.

I runed all the FFM tests without `-nativepath` argument and find the fail tests. This will find all the FFM tests which missing '/native' flag.

Change has been verified locally, test-fix, no risk.

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Commit messages:
 - 8345155: Add /native to native test in FFM

Changes: https://git.openjdk.org/jdk/pull/23458/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=23458&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8345155
  Stats: 76 lines in 34 files changed: 0 ins; 0 del; 76 mod
  Patch: https://git.openjdk.org/jdk/pull/23458.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/23458/head:pull/23458

PR: https://git.openjdk.org/jdk/pull/23458