Use exact text of https://www.apache.org/licenses/LICENSE-2.0 appendix.
Use exact text of https://www.apache.org/licenses/LICENSE-2.0 appendix.

PiperOrigin-RevId: 358356523
Change-Id: I98e780a5055a2203bf04eb6d50a29364a4ad4b9b

deepmind/dm-haiku,deepmind/dm-haiku