test: move common.ArrayStream to separate module

In a continuing effort to de-monolithize `require('../common')`,
move `common.ArrayStream` out to a separate module that is
imported only when it is needed.

PR-URL: https://github.com/nodejs/node/pull/22447


Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Trivikram Kamat <trivikr.dev@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>