Update Generator project build file to new Premake filter syntax.
Update Generator project build file to new Premake filter syntax.

ddobrev/CppSharp,zillemarco/CppSharp,u255436/CppSharp,u255436/CppSharp,ddobrev/CppSharp,mohtamohit/CppSharp,ddobrev/CppSharp,mono/CppSharp,mono/CppSharp,zillemarco/CppSharp,zillemarco/CppSharp,mohtamohit/CppSharp,mono/CppSharp,mono/CppSharp,u255436/CppSharp,mohtamohit/CppSharp,mohtamohit/CppSharp,mohtamohit/CppSharp,ddobrev/CppSharp,mono/CppSharp,ddobrev/CppSharp,zillemarco/CppSharp,u255436/CppSharp,zillemarco/CppSharp,u255436/CppSharp,mono/CppSharp