[9] Review request: JDK-8170979: Update for Jigsaw etc. the openFX functional tests

[Yuri Nesterenko]

Colleagues,

please review this test bug fix:
http://cr.openjdk.java.net/~yan/8170979/webrev.00/
Bug: https://bugs.openjdk.java.net/browse/JDK-8170979


The changes are mostly in tests/functional/.

This is a merge of current testbase in
http://hg.openjdk.java.net/openjfx/9-dev/tests and whatever
we have internally. The tests should now compile and work
with Jigsaw (including b148, --add-opens), recognize already
not too new JDK directory structure, do not use Builders etc.
Small number of tests was excluded and even dropped for various
reasons.
Several suites were tested with b142-b146 and PIT build for
the recent Jigsaw update (re: --add-opens).

There are still some reservations and unanswered questions.
For instance, a hard monotonous work of creation and maintaining
of the so called golden images is up to a tester: I don't know a
good place to share them between independent teams.
A couple of the suites still won't start without a minor
reconfiguration beforehand, not always properly documented.
We intend to use this state of the tests for the next massive test run
starting from jdk9 b150.