res:launcher:: fix regexp problem.

some app like Notepad++.desktop make launcher starts failed.

reason:
regexp string is not escape.

tower: https://tower.im/projects/1c0cd0c59ef941298c6e6b2ba6833b91/todos/00062383b11a4999b1794a0436dedb73/

Change-Id: I849984ab65970f111ac860c10847ce9ab090468c