RFR: 8071693: Introspector ignores default interface methods [v6]

[Alexey Ivanov]

On Mon, 24 Apr 2023 17:48:37 GMT, Archie Cobbs <acobbs at openjdk.org> wrote:

>> The `Introspector` class was never updated to include `default` methods inherited from interfaces.
>> 
>> This patch attempts to fix that omission.
>
> Archie Cobbs has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add braces around if clause.

Marked as reviewed by aivanov (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/13544#pullrequestreview-1398588735