RFR: 8264732: Clean up LinkResolver::vtable_index_of_interface_method()

[Lois Foltan]

On Mon, 5 Apr 2021 18:01:15 GMT, Vladimir Ivanov <vlivanov at openjdk.org> wrote:

> Turn `resolved_method` parameter into raw `Method*`.
> 
> Testing:
> * [x] hs-tier1 - hs-tier6

Looks good to me.
Lois

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Marked as reviewed by lfoltan (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/3346