launcher:: do not using dpkg to get package name.

tower:https://tower.im/projects/8f19f0bf0e754f0b82ef2c24bc230973/todos/46264acc65174484a2dc96e8aeee7dea/#26ecd2cc0c4f4f22b13c183b4aead3c9
Change-Id: Ic6b194134cb3264a3a13b0aef340c371a303fb3b