RFR: 8340271: Open source several AWT Robot tests [v4]

[Prasanta Sadhukhan]

> Opensource few Robot tests

Prasanta Sadhukhan has updated the pull request incrementally with one additional commit since the last revision:

  review comment fix

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Changes:
  - all: https://git.openjdk.org/jdk/pull/21062/files
  - new: https://git.openjdk.org/jdk/pull/21062/files/e5111877..189044b1

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21062&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21062&range=02-03

  Stats: 4 lines in 2 files changed: 0 ins; 1 del; 3 mod
  Patch: https://git.openjdk.org/jdk/pull/21062.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21062/head:pull/21062

PR: https://git.openjdk.org/jdk/pull/21062