Add an abstracted interface around android-specific handling

* This makes it easier to use the same kind of interface to manage other kinds
  of devices.

qrenderdoc/Code/pyrenderdoc/qrenderdoc_stub.cpp

@@ -143,7 +143,7 @@ void PersistantConfig::RemoveRemoteHost(RemoteHost host)
 {
 }
 
-void PersistantConfig::AddAndroidHosts()
+void PersistantConfig::UpdateEnumeratedProtocolDevices()
 {
 }