public class Example {
    public static final boolean FIRST_VALUE_IS_ACCOUNT_TYPE = false;
    public static final boolean FIRST_VALUE_IS_DEMO_USER = false;

    public static void main(String[] args) {
        Flowable<AccountType> accountTypeObs = Flowable.empty();
        Flowable<Boolean> isDemoUserObs = Flowable.empty();

        Flowable
                .combineLatest(
                        accountTypeObs
                                .map(accountType -> accountType == AccountType.type1 || accountType == AccountType.type2)
                                .startWithItem(FIRST_VALUE_IS_ACCOUNT_TYPE),
                        isDemoUserObs.startWithItem(FIRST_VALUE_IS_DEMO_USER),
                        (isAccountType, isDemoUser) -> isAccountType || isDemoUser)
                .doOnNext(Example::setFilterVisibility);

    }

    private static void setFilterVisibility(boolean val) {
        //filterLayout.setFilterVisibility(val ? View.VISIBLE : View.DONE);
    }
}

enum AccountType { type1, type2, type3, type4, type5 }