[jdk11u-dev] RFR: 8233637: [TESTBUG] Swing ActionListenerCalledTwiceTest.java fails on macos

[Christoph Langer]

Backport of JDK-8233637.

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Commit messages:
 - Backport 98c91b64b2bfaf16a59f42a58fb86346d2b4261d

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/587/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=587&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8233637
  Stats: 6 lines in 2 files changed: 3 ins; 1 del; 2 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/587.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/587/head:pull/587

PR: https://git.openjdk.java.net/jdk11u-dev/pull/587