RFR: 8334437: De-duplicate ProxyMethod list creation

[Chen Liang]

On Tue, 18 Jun 2024 07:41:26 GMT, Claes Redestad <redestad at openjdk.org> wrote:

> Simple refactoring to extract identical, simple lambda expressions. Improve code clarity and reduce classes generated.

Marked as reviewed by liach (Committer).

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PR Review: https://git.openjdk.org/jdk/pull/19760#pullrequestreview-2141860506