RFR: 8304443: bootcycle builds fail after JDK-8015831

Sat Mar 18 23:20:21 UTC 2023

On Sat, 18 Mar 2023 17:46:00 GMT, Archie L. Cobbs <duke at openjdk.org> wrote:

> The fix for JDK-8015831, which added the new `this-escape` lint warning, caused the build of the `bootcycle-images` make target to fail.
> 
> This commit adds the additional `@SuppressWarnings("this-escape")` annotations needed to fix it.

change looks good, rerunning the tests to double check

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PR: https://git.openjdk.org/jdk/pull/13089