[jdk17u] RFR: 8274056: JavaAccessibilityUtilities leaks JNI objects

[Phil Race]

Backport 8274056: JavaAccessibilityUtilities leaks JNI objects

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Commit messages:
 - Backport 42d5d2abaad8a88a5e1326ea8b4494aeb8b5748b

Changes: https://git.openjdk.java.net/jdk17u/pull/83/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk17u&pr=83&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8274056
  Stats: 8 lines in 1 file changed: 5 ins; 0 del; 3 mod
  Patch: https://git.openjdk.java.net/jdk17u/pull/83.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk17u pull/83/head:pull/83

PR: https://git.openjdk.java.net/jdk17u/pull/83