[8u20] Request for approval for JDK-8024061: Exception thrown when drag and drop between two components is executed quickly

[Alexey Ivanov]

Hello,

Please approve the backport of the fix to jdk8u-dev.

Bug: https://bugs.openjdk.java.net/browse/JDK-8024061
JDK9 changeset: http://hg.openjdk.java.net/jdk9/client/jdk/rev/85b7ff7d0ba7

Code review: 
http://mail.openjdk.java.net/pipermail/awt-dev/2014-April/007510.html


Thank you,
Alexey.