Summary:
Efl.Ui.Theme class is required to support language bindings.
Efl.Ui.Theme works based on current elm_theme features.
This patch fixes T7357.
Reviewers: segfaultxavi, cedric, lauromoura, woohyun, zmike, SanghyeonLee
Reviewed By: segfaultxavi, SanghyeonLee
Subscribers: SanghyeonLee, herdsman, #reviewers, #committers
Tags: #efl
Maniphest Tasks: T7357
Differential Revision: https://phab.enlightenment.org/D7244
