[jdk17u-dev] RFR: 8299077: [REDO] JDK-4512626 Non-editable JTextArea provides no visual indication of keyboard focus

[Goetz Lindenmaier]

I backport this for parity with 17.0.15-oracle.

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Commit messages:
 - Backport fef70d78baec9ce11d50b9a4c1fb26a1b854ccbf

Changes: https://git.openjdk.org/jdk17u-dev/pull/3082/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=3082&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8299077
  Stats: 228 lines in 4 files changed: 68 ins; 76 del; 84 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/3082.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/3082/head:pull/3082

PR: https://git.openjdk.org/jdk17u-dev/pull/3082