Restoring a check within HasProjectContent() so that we still check the AssemblyReferences collection as part of the check.  Removing that caused some unit tests to fail.
Restoring a check within HasProjectContent() so that we still check the
AssemblyReferences collection as part of the check.  Removing that caused
some unit tests to fail.

--HG--
extra : rebase_source : cc2538fecfa23e469bfe770eb740aad2811fc97d

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