Headful awt Test failures on HiDPI systems

These tests fail repeatedly on Windows hi-dpi
javax/swing/plaf/synth/7158712/bug7158712.java
javax/swing/plaf/basic/BasicComboPopup/JComboBoxPopupLocation/JComboBoxPopupLocation.java
javax/swing/plaf/basic/BasicComboPopup/7072653/bug7072653.java
javax/swing/JTable/6263446/bug6263446.java
java/awt/TrayIcon/RightClickWhenBalloonDisplayed/RightClickWhenBalloonDisplayed.java
java/awt/PopupMenu/PopupMenuLocation.java
java/awt/Mixing/AWT_Mixing/MixingFrameResizing.java
java/awt/Mixing/AWT_Mixing/HierarchyBoundsListenerMixingTest.java
java/awt/GridLayout/ComponentPreferredSize/ComponentPreferredSize.java
java/awt/GridLayout/ChangeGridSize/ChangeGridSize.java
java/awt/event/MouseEvent/FrameMouseEventAbsoluteCoordsTest/FrameMouseEventAbsoluteCoordsTest.java

We should look to see if they should be run with ui scale of 1,
or if they are telling us of one or more product bugs.