Implemented Window::SetClass() functionality in window-impl-ecore-wl.cpp
Implemented Window::SetClass() functionality in window-impl-ecore-wl.cpp

Signed-off-by: suhyung Eom <f8a02c09f6750ac09bfb21fdb27b8c0ebf8323d8@samsung.com>
Change-Id: I83f4fd248cb22bac03f82a70465afbdf15e6e25d

dalihub/dali-adaptor,dalihub/dali-adaptor,dalihub/dali-adaptor,dalihub/dali-adaptor,dalihub/dali-adaptor