- Made `*OpCodes` array branded for safer type checking. - Simplify `I18NRemoveOpCodes` encoding. - Broke out `IcuCreateOpCodes` from `I18nMutableOpCodes`. PR Close #39233
- Made `*OpCodes` array branded for safer type checking. - Simplify `I18NRemoveOpCodes` encoding. - Broke out `IcuCreateOpCodes` from `I18nMutableOpCodes`. PR Close #39233