[jfx11u] RFR: 8185447: The special high-contrast mode of JavaFX Controls in Japanese environment do not work.

[Johan Vos]

8185447: The special high-contrast mode of JavaFX Controls in Japanese environment do not work.

Reviewed-by: kcr, jvos
Backport LONG-COMMIT-HASH

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Commit messages:
 - 8185447: The special high-contrast mode of JavaFX Controls in Japanese environment do not work.

Changes: https://git.openjdk.java.net/jfx11u/pull/50/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jfx11u&pr=50&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8185447
  Stats: 120 lines in 16 files changed: 113 ins; 0 del; 7 mod
  Patch: https://git.openjdk.java.net/jfx11u/pull/50.diff
  Fetch: git fetch https://git.openjdk.java.net/jfx11u pull/50/head:pull/50

PR: https://git.openjdk.java.net/jfx11u/pull/50