Pontoon: Update Chinese (China) (zh-CN) localization of Firefox Screenshots
Pontoon: Update Chinese (China) (zh-CN) localization of Firefox Screenshots

Localization authors:
- 新垣结衣松冈茉优长泽雅美门胁麦上野树里石原里美 <eloli@foxmail.com>

mozilla-services/screenshots,mozilla-services/screenshots,mozilla-services/pageshot,mozilla-services/pageshot,mozilla-services/screenshots,mozilla-services/pageshot,mozilla-services/screenshots,mozilla-services/pageshot