[jdk11u-dev] RFR: 8198624: java/awt/KeyboardFocusmanager/TypeAhead/SubMenuShowTest/SubMenuShowTest.html fails on mac [v2]

[Christoph Langer]

> Backport JDK-8198624
> 
> Backport is not clean since in 11u we still use jdk.testlibrary.OSInfo instead of jdk.test.lib.Platform. I had to adapt to that.

Christoph Langer has refreshed the contents of this pull request, and previous commits have been removed. The incremental views will show differences compared to the previous content of the PR. The pull request contains one new commit since the last revision:

  Backport fe6aa29326db76cb0eb04a874ae5ca8c14034f29

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Changes:
  - all: https://git.openjdk.java.net/jdk11u-dev/pull/526/files
  - new: https://git.openjdk.java.net/jdk11u-dev/pull/526/files/7a229b3e..ba7475ac

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=526&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk11u-dev&pr=526&range=00-01

  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.java.net/jdk11u-dev/pull/526.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk11u-dev pull/526/head:pull/526

PR: https://git.openjdk.java.net/jdk11u-dev/pull/526