<Swing Dev> [9] Review Request: 7056797 The test failed automatically, because throw a ArrayIndexOutOfBoundsException

[Sergey Bylokhov]

Hello.
Please review the fix for jdk 9.
The problem occurs when a JTabbedPane was repainted on EDT and the new 
tab was added in JApplet.init().

Bug: https://bugs.openjdk.java.net/browse/JDK-7056797
Webrev can be found at: 
http://cr.openjdk.java.net/~serb/7056797/webrev.00/webrev
Diff: http://cr.openjdk.java.net/~serb/7056797/webrev.00/diff

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Best regards, Sergey.