Previously DomainPricingCustomLogic#customizeCreatePrice takes in the create
price itself and modifies it. Change it to take in the entire FeesAndCredits (previously named EppCommandOperations) which may contain other fees related to domain creation,
such as EAP fees, and returns FeesAndCredits that may either change the
fees or add new type of fees.
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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=141600614