<AWT Dev> RFR(M): 8185500: [TESTBUG] Add keywords headful/printer in java/awt and javax tests.

[Lindenmaier, Goetz]

Hi,

I looked at all the remaining tests failing in our test environment, and I
think I have now identified the last set of headful tests that lack the
@key headful tag.

Also, I identified a row of tests that require a printer. For these I introduced
the new keyword 'printer' and marked them accordingly.

A few tests threw NullPointerException in the finalizer if run headless,
I fixed that, too.

Please review this change:
http://cr.openjdk.java.net/~goetz/wr17/8185500-headlessKey/webrev.01/index.html

Thanks and best regards,
  Goetz.
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