8159690: [TESTBUG] Mark headful tests with @key headful.
Reviewed-by: simonis, alexsch

6943119: Rebrand source copyright notices
Reviewed-by: darcy, weijun

6806217: implement synthetic focus model for MS Windows
Reviewed-by: art, dcherepanov

6522725: Component in a minimized Frame has focus and receives key events
Summary: XAWT: a window natively focused may request focus in it only synthetically
Reviewed-by: son