RFR: 7903358: jextract does not generate correct signature for multidimensional arrays in doc comments

[Per Minborg]

On Mon, 17 Oct 2022 07:03:57 GMT, Athijegannathan Sundararajan <sundar at openjdk.org> wrote:

> "context" was not properly handled in nested array type case.

LGTM

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Marked as reviewed by minborg at github.com (no known OpenJDK username).

PR: https://git.openjdk.org/jextract/pull/89