RFR: JDK-8355429 : Open source ProgressMonitor test [v2]

[Harshitha Onkar]

> javax/swing/ProgressMonitor/bug4401480.java open-sourced

Harshitha Onkar has updated the pull request incrementally with one additional commit since the last revision:

  createTestUI changes

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Changes:
  - all: https://git.openjdk.org/jdk/pull/24833/files
  - new: https://git.openjdk.org/jdk/pull/24833/files/f7ed2144..9f45ff8e

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=24833&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=24833&range=00-01

  Stats: 49 lines in 1 file changed: 22 ins; 20 del; 7 mod
  Patch: https://git.openjdk.org/jdk/pull/24833.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24833/head:pull/24833

PR: https://git.openjdk.org/jdk/pull/24833