[foreign-memaccess+abi] Integrated: Fix imports

[Per Minborg]

On Mon, 19 Sep 2022 12:04:55 GMT, Per Minborg <duke at openjdk.org> wrote:

> This PR fixes some imports and is related to https://bugs.openjdk.org/browse/JDK-8293510
> 
> Two other minor fixes are also included.

This pull request has now been integrated.

Changeset: abb929b6
Author:    Per Minborg <pminborg at gmail.com>
Committer: Maurizio Cimadamore <mcimadamore at openjdk.org>
URL:       https://git.openjdk.org/panama-foreign/commit/abb929b6da68808475a018aa57871d0fed41ce22
Stats:     60 lines in 11 files changed: 45 ins; 3 del; 12 mod

Fix imports

Reviewed-by: mcimadamore

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PR: https://git.openjdk.org/panama-foreign/pull/723