Revert "Revert "Update Notification API""
Revert "Revert "Update Notification API""

This reverts commit c1513a17e8e382ae5477184725e4140c88df35b9.

Change-Id: Ie3246feabec4f2cc2a40143b49a4f4654b07ea5a

WonyoungChoi/crosswalk-tizen,sung-su/crosswalk-tizen,hgl888/crosswalk-tizen,YongseopKim/crosswalk-tizen,hgl888/crosswalk-tizen,YongseopKim/crosswalk-tizen,WonyoungChoi/crosswalk-tizen,psikorski/crosswalk-tizen,hgl888/crosswalk-tizen,YongseopKim/crosswalk-tizen,psikorski/crosswalk-tizen,hgl888/crosswalk-tizen,psikorski/crosswalk-tizen,WonyoungChoi/crosswalk-tizen,WonyoungChoi/crosswalk-tizen,myroot/crosswalk-tizen,sung-su/crosswalk-tizen,myroot/crosswalk-tizen,sung-su/crosswalk-tizen,YongseopKim/crosswalk-tizen,myroot/crosswalk-tizen,myroot/crosswalk-tizen,psikorski/crosswalk-tizen,sung-su/crosswalk-tizen