[macosx] The native dialog doesn't have 'close'(X) button on Mac OS.

Testsuite name: 2D Regression
Test name(s): java/awt/print/Dialog/RestoreActiveWindowTest/RestoreActiveWindowTest.html
Product(s) tested: JDK 9 b82
OS/architecture: Mac 10.10 x64

Error log file : http://aurora.ru.oracle.com/slot-gw/1119754.ManualSubmit-1/workDir/java/awt/print/Dialog/RestoreActiveWindowTest/RestoreActiveWindowTest.jtr

Case Instruction:
1.1) Click on 'show a native print dialog'. A native print dialog will come up.
1.2) Click on the 'close'(X) button. The dialog will be closed.
1.3) After the dialog closing another window should become the active window.
1.4) If there no any active window then the test failed.
2.1) Click on 'show a native page dialog'. A native page dialog will come up.
2.2) Click on the 'close'(X) button. The dialog will be closed.
2.3) After the dialog closing another window should become the active window.
2.4) If there no any active window then the test failed.
3) Test Passed.

Actual behavior:
The native dialog doesn't have 'close'(X) button refer to RestoreActiveWindowTest-page.jpg and RestoreActiveWindowTest-print.jpg.