TestGLAutoDrawableGLCanvasOnOffscrnCapsAWT: Wrong test comment, no NEWT involved
Bug 678: Differentiate ALT (left) and ALT_GRAPH (right) on X11, EventDev, Windows and OSX

- X11: Memorize pressed Alt_R to decide which 'alt' has to be used for non key modifier fetching
- Windows: Only use GetKeyState(..) and compare the US vkey, since int. kbd layout use reduced scancode