MissingManifestResourceException when using Portable Class Libraries within WinRT

Our team recently ran into a strange issue.  Our Windows Phone application targets Silverlight 8.1 but we have several WinRT 8.1 based background tasks.  Recently, we refactored our codebase into several Portable Class Libraries (PCLs) in order to better share code between the application and background tasks.  Since then, however, we’ve started seeing MissingManifestResourceExceptions thrown…

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