Summary:
ecore_evas win32 engine is updated to support it. This fixes the
"maximized/unmaximized" elm "windows states" test.
Test Plan: elm_test
Reviewers: raster, jptiz, felipealmeida
Subscribers: cedric, #reviewers, #committers
Tags: #efl
Differential Revision: https://phab.enlightenment.org/D12177