android: Rename existing android devices which have the domain_name 'localhost'. Parsing of the existing host info structure in the client_state.xml file happens before the detection routines are executed.

client/hostinfo_network.cpp

@@ -63,7 +63,7 @@ int HOST_INFO::get_local_network_info() {
     strcpy(ip_addr, "");
 
 #ifdef ANDROID
-    if (strlen(domain_name)) return 0;
+    if (strlen(domain_name) && (strcmp(domain_name, "localhost") != 0)) return 0;
     char buf[256];
     make_random_string("", buf);
     buf[8] = 0;