<AWT Dev> [9] Review Request for 8041592: [TEST_BUG] Move 42 AWT hw/lw mixing tests to jdk

[Yuri Nesterenko]

Hi,

please review this change for
https://bugs.openjdk.java.net/browse/JDK-8041592

Webrev is in:
http://cr.openjdk.java.net/~yan/8041592/webrev.00/

Thanks,
-yan

Here's an excerpt from the bug Description:
________________________________________

There are 42 automatic functional tests verifying various aspects of
HW/LW mixing in AWT. We will move them to a separate directory
test/java/awt/Mixing/AWT_Mixing/.

Note that:
(1) we decided to make only small changes to the tests as it is just
some 5% of our task at hand;
(2) tests are written in someway different styles;
(3) most of them extend some basic class (included in the
same directory);
(4) they use an utility class (included) someway duplicating new
functionality of ExtendedRobot. However we left this part intact to
avoid unnecessary refactoring;
(5) the tests seems stable enough. They were run on 3 platforms
continuously many times together demonstrating exactly the same output.
(6) Of the 42 in total, 3 fail on OS X (2 of them also on Linux and 
Windows) because of the open product bugs.