[jdk11u-dev] RFR: 8294156: Allow PassFailJFrame.Builder to create test UI

[Andrew Lu]

I backport this for parity with 11.0.24-oracle.

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Commit messages:
 - Backport 42b9ac8a07b540f4d7955a778923d24a876451cc

Changes: https://git.openjdk.org/jdk11u-dev/pull/2551/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk11u-dev&pr=2551&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8294156
  Stats: 442 lines in 1 file changed: 365 ins; 38 del; 39 mod
  Patch: https://git.openjdk.org/jdk11u-dev/pull/2551.diff
  Fetch: git fetch https://git.openjdk.org/jdk11u-dev.git pull/2551/head:pull/2551

PR: https://git.openjdk.org/jdk11u-dev/pull/2551