RFR: JDK-8322248: Fix inconsistent wording in ElementFilter.typesIn

[Jonathan Gibbons]

On Tue, 2 Jan 2024 22:28:51 GMT, Joe Darcy <darcy at openjdk.org> wrote:

> Correct small oversight made during the fix for
> 
>     JDK-8257638: Update usage of "type" terminology in javax.lang.model

Marked as reviewed by jjg (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/17231#pullrequestreview-1801170498