[jdk19] RFR: 8290207: Missing notice in dom.md

[Naoto Sato]

On Wed, 13 Jul 2022 00:04:24 GMT, Joe Wang <joehw at openjdk.org> wrote:

> Update dom.md, adding notice.

Marked as reviewed by naoto (Reviewer).

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PR: https://git.openjdk.org/jdk19/pull/138