SEC-2843: JdbcDaoImpl should ease of use in relation to groupAuthoritiesByUsernameQuery

[spring-projects-issues]

Jordi Llach Fernandez (Migrated from SEC-2843) said:

In order to override loadGroupAuthorities(String username) method from JdbcDaoImpl I need access to groupAuthoritiesByUsernameQuery,
I think that an accessor method with protected visibility should be created.