"security sensitive" items interaction with localization

[aphillips]

Updating the manifest
https://w3c.github.io/manifest/#updating

For the purpose of updating, the following member are security-sensitive members, as they are presented during installation and on launch surfaces:

• short_name,
• icons
• name,

These items are all localizable. If an app adds a new locale to the list of supported locales and this locale matches that of the user, should the app be required to report updating the name/short name/icon? Probably the answer is yes, but I18N wants to call out the interaction. The spec text assumes that there is only one (unlocalized) value for the name and short name. Also, note that users sometimes change their device locale...