Localization Dashboard does not Localize Audio Content from Within Plugins

The Localization Dashboard is not properly localizing Dialogue Wave assets that are located within plugins. This appears to be a problem with the UExportDialogueScriptCommandlet - namely, it appears to hardcode the search path to be either "/Game" or "/Engine," which will not find Plugin content. UImportLocalizedDialogueCommandlet has this issue as well.

• Create a Plugin with Dialogue Wave Assets
• Use Localization Dashboard to store the assets in Plugins/[PluginName]/Content/L10N
• Build the game with a language other than the default
• Play the audio assets

Expected Result:

• Audio assets are in the language the game was set to
  Actual Result:
• Audio assets are in the default language