<AWT Dev> [9] Review Request: 4379403 Need to disable the "magic AWT dump key" (CTRL+SHIFT+F1)

[Sergey Bylokhov]

Hello.
Please review the fix for jdk9.
After the fix a "Magic dump key" is disabled by default, to enable it 
the user needs to enable debug mode(via property file or system property).

Bug: https://bugs.openjdk.java.net/browse/JDK-4379403
Webrev can be found at: http://cr.openjdk.java.net/~serb/4379403/webrev.00

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Best regards, Sergey.