[jdk11u-dev] RFR: 8065097: [macosx] javax/swing/Popup/TaskbarPositionTest.java fails because Popup is one pixel off

[Goetz Lindenmaier]

I backport this for parity with 11.0.19-oracle.

I resolved the ProblemList, will mark as clean.

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Commit messages:
 - Backport 649f2d8835027128c6c8cf37236808094a12a35f

Changes: https://git.openjdk.org/jdk11u-dev/pull/1625/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=1625&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8065097
  Stats: 131 lines in 2 files changed: 37 ins; 4 del; 90 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/1625.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev pull/1625/head:pull/1625

PR: https://git.openjdk.org/jdk11u-dev/pull/1625