RFR: 8328370: Convert java/awt/print/Dialog/PrintApplet.java applet test to main [v3]

[Damon Nguyen]

> Convert java/awt/print/Dialog/PrintApplet.java applet test to main using PassFailJFrame. Also rename the test to PrintModalDialog.java since this is no longer an applet. Added test instructions related to the linked JBS issue.

Damon Nguyen has updated the pull request incrementally with two additional commits since the last revision:

 - Modify instructions more
 - Modify instructions

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Changes:
  - all: https://git.openjdk.org/jdk/pull/18362/files
  - new: https://git.openjdk.org/jdk/pull/18362/files/bb9d6848..5db0a4af

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18362&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18362&range=01-02

  Stats: 9 lines in 1 file changed: 3 ins; 0 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/18362.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18362/head:pull/18362

PR: https://git.openjdk.org/jdk/pull/18362