launcher:: fix new install software problem.

if some software is updated, it will be marked to new.

tower:https://tower.im/projects/8f19f0bf0e754f0b82ef2c24bc230973/todos/e6b58e208b84410b98bb820c13f63ddf
Change-Id: I827c8099dc80f99c0f35b8158b0b31ab7ced0cf0