8341191: Open source few more AWT FileDialog tests

[kumarabhi006]

AWT File Dialog related tests are converted from applet to manual and moved to open.

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Issue

• JDK-8341191: Open source few more AWT FileDialog tests (Bug - P4)

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[mlbridge]

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• 00: Full (872bae22)

[turbanoff]

Suggested change

	System.setProperty("sun.awt.disableGtkFileDialogs","true");
	System.setProperty("sun.awt.disableGtkFileDialogs", "true");