Edition: Singapore Indonesia Asia US/UK BRUSSELS :Alphabet's Google faced a potential setback on Thursday as an adviser to Europe's highest court sided with EU antitrust regulators in the company's fight against a record 4.34 billion euro ($4.98 billion) fine levied seven years ago. The European Commission in its 2018 decision said Google had used its Android mobile operating system to block rivals. A lower tribunal endorsed the EU finding in 2022 but trimmed the fine to 4.1 billion euros,