RFR: 8246195: ListViewSkin/Behavior: misbehavior on switching skin

[Ambarish Rapte]

On Thu, 4 Jun 2020 10:19:47 GMT, Jeanette Winzenburg <fastegal at openjdk.org> wrote:

> Cleanup memory leaks and malicious side-effects (produced by eventhandlers and listeners that were not removed) when
> replacing a ListViewSkin.
> The fix is to remove the listeners/handlers as needed. Added tests that failed before and pass after the fix.
> 
> It's part of the ongoing cleanup effort [JDK-8241364](https://bugs.openjdk.java.net/browse/JDK-8241364).

Marked as reviewed by arapte (Reviewer).

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PR: https://git.openjdk.java.net/jfx/pull/247