Fix initialization order for the encoder

This commit makes the coefficient tree initialized prior to token
initialization, where the coefficient costs are filled out according
to the probabilities associated with coefficient value categories.

Change-Id: If4e89c3923058376f8382c683fe4a225a4a38af3

vp9/encoder/vp9_onyx_if.c

@@ -159,6 +159,7 @@ void vp9_initialize_enc() {
 
   if (!init_done) {
     vp9_initialize_common();
+    vp9_coef_tree_initialize();
     vp9_tokenize_initialize();
     vp9_init_quant_tables();
     vp9_init_me_luts();
@@ -166,7 +167,6 @@ void vp9_initialize_enc() {
     // init_base_skip_probs();
     vp9_entropy_mv_init();
     vp9_entropy_mode_init();
-    vp9_coef_tree_initialize();
     init_done = 1;
   }
 }