[jdk11u-dev] RFR: 8169187: [macosx] Aqua: java/awt/image/multiresolution/MultiresolutionIconTest.java

[Goetz Lindenmaier]

I backport this for parity with 11.0.18-oracle.

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Commit messages:
 - Backport 90257f95058626196339c444937f037516dbd21e

Changes: https://git.openjdk.org/jdk11u-dev/pull/1444/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1444&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8169187
  Stats: 7 lines in 2 files changed: 4 ins; 1 del; 2 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1444.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1444/head:pull/1444

PR: https://git.openjdk.org/jdk11u-dev/pull/1444