RFR: 8312306: Add more Reference.reachabilityFence() calls to the security classes using Cleaner

Tue Aug 29 21:32:09 UTC 2023

On Tue, 22 Aug 2023 18:06:59 GMT, Valerie Peng <valeriep at openjdk.org> wrote:

> This PR updates the various security classes using Cleaner with the try/finally pattern. Also noticed that SunJCE's PBEKey impl class overrides the destroy() method but not the isDestroyed() method, fixed this inconsistency as well.
> 
> Thanks in advance for the review!

I am fine with the change

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Marked as reviewed by ascarpino (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/15390#pullrequestreview-1601310478