Re-enable nox tests in Travis script now that haiku is in PyPI and re-allow ACPC in tests on MacOS since fixing of memory issues.
Re-enable nox tests in Travis script now that haiku is in PyPI and re-allow ACPC in tests on MacOS since fixing of memory issues.

PiperOrigin-RevId: 321785756
Change-Id: Ie5e64f292d7f8c8f630b5541ec562b8615328700

deepmind/open_spiel,deepmind/open_spiel,deepmind/open_spiel,deepmind/open_spiel,deepmind/open_spiel,deepmind/open_spiel