Added placeholders for new App lion key: tt_ctl_download

Change-Id: I2a299789d1049c26f25b23bdcdd85d2df1ce76c4
diff --git a/web/gui/src/main/resources/org/onosproject/ui/lion/core/view/App_zh_CN.properties b/web/gui/src/main/resources/org/onosproject/ui/lion/core/view/App_zh_CN.properties
index f1120c8..44b60a2 100644
--- a/web/gui/src/main/resources/org/onosproject/ui/lion/core/view/App_zh_CN.properties
+++ b/web/gui/src/main/resources/org/onosproject/ui/lion/core/view/App_zh_CN.properties
@@ -26,6 +26,7 @@
 tt_ctl_activate=激活选定的应用
 tt_ctl_deactivate=停用选定的应用
 tt_ctl_uninstall=卸载选定的应用
+tt_ctl_download=Download selected application (.oar file) (zh_CN)
 
 # Quick-Help panel
 qh_hint_esc=取消选定的应用