Google has co-operated with the ACCC, admitted liability and agreed to jointly submit to the Court that Google should pay a total penalty of $55 million

$55 million penalty for Google is a joke.

Can you then be sued in another country based on such an admission?

In the undertaking, Google commits to removing certain pre-installation and default search engine restrictions from its contracts with Android phone manufacturers and telcos.

This ought to be interesting. At least it will hopefully mean one less bit of bloatware on Android phones.