RFR: 8315990: Amend PL tests to proper category [v2]

[Prasanta Sadhukhan]

> Few awt problem listed tests are placed in swing category which should be amended

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

  PL amend

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Changes:
  - all: https://git.openjdk.org/jdk/pull/15655/files
  - new: https://git.openjdk.org/jdk/pull/15655/files/bd1c5fab..2bd2f9c0

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=15655&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=15655&range=00-01

  Stats: 9 lines in 1 file changed: 4 ins; 5 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/15655.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15655/head:pull/15655

PR: https://git.openjdk.org/jdk/pull/15655