Add support for unpackaged resources to speed up loads on Android, i.e. so we don't have to decompress entire GPAs to load a single resource.

PortabilityLayer/ResTypeID.h

@@ -19,6 +19,7 @@ namespace PortabilityLayer
 		bool operator!=(const ResTypeID &other) const;
 
 		void ExportAsChars(char *chars) const;
+		int32_t ExportAsInt32() const;
 
 	private:
 		char m_id[4];
@@ -70,6 +71,11 @@ namespace PortabilityLayer
 	{
 		memcpy(chars, m_id, 4);
 	}
+
+	inline int32_t ResTypeID::ExportAsInt32() const
+	{
+		return ResTypeIDCodec::Decode(m_id);
+	}
 }
 
 #endif