RFR: JDK-8276649: MethodHandles.Lookup docs: replace the table in the cross-module access check section with list

[Mandy Chung]

On Thu, 4 Nov 2021 16:18:45 GMT, Ludvig Janiuk <duke at openjdk.java.net> wrote:

> Inferring from the flow of the text, the table should have been a list all along, so I've made it that way. Before and after for comparison:
> ![image](https://user-images.githubusercontent.com/6298393/140376551-6f8ac0c9-5336-4da0-8504-01af806ecae0.png)
> ![image](https://user-images.githubusercontent.com/6298393/140376679-54716d82-f431-46f7-b959-022374b6f893.png)

Marked as reviewed by mchung (Reviewer).

That's what I suspect related to accessibility.  Thanks.

BTW, I updated the summary of JBS issue.  You will need to update this PR title to match it before integration.

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PR: https://git.openjdk.java.net/jdk/pull/6260