RFR: 8315726: Open source several AWT applet tests [v2]

[Alexander Zvegintsev]

> Some closed AWT test are open sourced.

Alexander Zvegintsev has updated the pull request incrementally with one additional commit since the last revision:

  spacing

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Changes:
  - all: https://git.openjdk.org/jdk/pull/15671/files
  - new: https://git.openjdk.org/jdk/pull/15671/files/9a4498f7..25cca2ef

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15671&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15671&range=00-01

  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/15671.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15671/head:pull/15671

PR: https://git.openjdk.org/jdk/pull/15671