public GFile getPayloadFile() {
		return payloadFile;
	}
This is a {@link GFileSystem} that provides a single file, which is the text version
of a binary android xml file.
<p>
NOTE: most of this code was hijacked from AXMLPrinter.java class!
Ghidra/Features/FileFormats/src/main/java/ghidra/file/formats/android/xml/AndroidXmlFileSystem.java