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

8150535: [TEST_BUG] fix @library for test/java/awt/TrayIcon/MouseMovedTest/MouseMovedTest.java
8151033: [TEST_BUG] typo in java/awt/MouseInfo/PointerInfoCrashTest.java: no sun.awt.peer
8151037: [TEST_BUG] javax/swing/Action/8133039/bug8133039.java requires @modules
8152301: [TESTBUG] Compilation errors in client lib test files
Reviewed-by: serb, alexsch

8133039: Provide public API to sun.swing.UIAction#isEnabled(Object)
Reviewed-by: serb, azvegint