[jdk11u-dev] RFR: 8233635: [TESTBUG] ProgressMonitorEscapeKeyPress.java fails on macos

[Christoph Langer]

Backport of JDK-8233635.

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Commit messages:
 - Backport 38636a8c9674f637a6529ad68b6983a388b4bf7a

Changes: https://git.openjdk.java.net/jdk11u-dev/pull/560/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=560&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8233635
  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/560.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/560/head:pull/560

PR: https://git.openjdk.java.net/jdk11u-dev/pull/560