RFR: 8315071 : Modify TrayIconScalingTest.java, PrintLatinCJKTest.java to use new PassFailJFrame's builder pattern usage

[lawrence.andrews]

Both the tests demonstrates how to use the  PassFailJFrame's builder pattern.
1) TrayIconScalingTest.java demonstrates how to add screen shot method
2) PrintLatinCJKTest.java demonstrates how to use PassFailJFrame's builder pattern without screen shot method.

@aivanov-jdk 
@honkar-jdk

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Commit messages:
 - 8315071 : Modify TrayIconScalingTest.java, PrintLatinCJKTest.java to use new PassFailJFrame's builder pattern usage

Changes: https://git.openjdk.org/jdk/pull/15438/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=15438&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8315071
  Stats: 18 lines in 2 files changed: 12 ins; 0 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/15438.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/15438/head:pull/15438

PR: https://git.openjdk.org/jdk/pull/15438