RFR: 8343124: Tests fails with java.lang.IllegalAccessException: class com.sun.javatest.regtest.agent.MainWrapper$MainTask cannot access [v3]

[Prasanta Sadhukhan]

> Couple of printing tests dont have "public" modifier so CI testing fails to run this test citing IllegalAccessException.
> Fix is made to made the test class public.
> 
> Additionally, modified PrintDlgPageable.java to use PFJ and made StreamPrintingOrientation.java automated.

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

  remove some redundant code

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/21780/files
  - new: https://git.openjdk.org/jdk/pull/21780/files/e92d441c..26108501

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=21780&range=02
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=21780&range=01-02

  Stats: 1 line in 1 file changed: 0 ins; 1 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/21780.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21780/head:pull/21780

PR: https://git.openjdk.org/jdk/pull/21780