GP-1592 Process symbols in .gnu_debugdata.

.gnu_debugdata is a xz compressed ELF file that only contains a symtabthat has been stripped out of the main binary.If its present, decompress it and markup the symbols when loading the main binary.

Ghidra/Framework/Project/Module.manifest

@@ -1 +1,2 @@
 MODULE FILE LICENSE: lib/commons-compress-1.19.jar Apache License 2.0
+MODULE FILE LICENSE: lib/xz-1.9.jar Public Domain

Ghidra/Framework/Project/build.gradle

@@ -31,5 +31,6 @@ dependencies {
 	
 	testImplementation project(path: ':Generic', configuration: 'testArtifacts')
 	api "org.apache.commons:commons-compress:1.19"
+	api "org.tukaani:xz:1.9"
 }