Set a higher default lag_in_frames value

Change-Id: I470855257978679890e2b340c4d8edd94dd5c218
diff --git a/av1/av1_cx_iface.c b/av1/av1_cx_iface.c
index 702a16e..66a60bf 100644
--- a/av1/av1_cx_iface.c
+++ b/av1/av1_cx_iface.c
@@ -3804,7 +3804,7 @@
 
       AOM_RC_ONE_PASS,  // g_pass
 
-      19,  // g_lag_in_frames
+      35,  // g_lag_in_frames
 
       0,                // rc_dropframe_thresh
       RESIZE_NONE,      // rc_resize_mode