RFR: 8274056 JavaAccessibilityUtilities leaks JNI objects

[Artem Semenov]

8274056 JavaAccessibilityUtilities leaks JNI objects

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Commit messages:
 - 8274056 JavaAccessibilityUtilities leaks JNI objects - Java Bug System

Changes: https://git.openjdk.java.net/jdk/pull/5602/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=5602&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/jdk/pull/5602.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/5602/head:pull/5602

PR: https://git.openjdk.java.net/jdk/pull/5602