Add fnl build target

Using gcc 4.9 and glibc.

R=viettrungluu@chromium.org

Review URL: https://codereview.chromium.org/1348493002 .
diff --git a/services/BUILD.gn b/services/BUILD.gn
index 129561b..6e66e46 100644
--- a/services/BUILD.gn
+++ b/services/BUILD.gn
@@ -47,7 +47,7 @@
     }
   }
 
-  if (is_linux) {
+  if (is_linux && !is_fnl) {
     deps += [ "//services/python" ]
   }
 
@@ -79,7 +79,7 @@
     "//services/window_manager:window_manager_unittests",
   ]
 
-  if (is_linux) {
+  if (is_linux && !is_fnl) {
     deps += [ "//services/python:python_apptests" ]
   }