RFR: 8195744: Avoid calling ClassLoader.checkPackageAccess if security manager is not installed [v4]

[Coleen Phillimore]

On Mon, 8 Feb 2021 22:05:16 GMT, Mandy Chung <mchung at openjdk.org> wrote:

>> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Fix logging and comment.
>
> Looks good.

Thanks Mandy!

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PR: https://git.openjdk.java.net/jdk/pull/2410