Add ActiveProfileResolver and 'resolver' attribute to @ActiveProfiles

Add ActiveProfileResolver interface to use together with 'resolver'
attribute of @ActiveProfiles annotation. ActiveProfileResolver allows
to resolve active profiles for test in dynamic way at runtime.
Add support for ActiveProfileResolver to ContextLoaderUtils.

Changes:

  - Add ActiveProfileResolver, update ContextLoaderUtils

  - Test for new functionality

  - Changelog update

  - Reference manual TODO for 'inheritProfiles' done

  - Reference manual update for ActiveProfileResolver

Issue: SPR-10338