8160974: [TESTBUG] Mark more headful tests with @key headful.
Reviewed-by: serb, simonis

8145116: [TEST_BUG] Incorrect binary comparison in java/awt/event/KeyEvent/ExtendedModifiersTest/ExtendedModifiersTest.java
Reviewed-by: ssadetsky, jdv

8043126: move awt automated functional tests from AWT_Events/Lw and AWT_Events/AWT to OpenJDK repository
Reviewed-by: pchelko