libvpx: Pull from upstream

source/libvpx/vp9/decoder/vp9_decoder.c

Index: source/libvpx/vp9/decoder/vp9_decoder.c
===================================================================
--- source/libvpx/vp9/decoder/vp9_decoder.c	(revision 281795)
+++ source/libvpx/vp9/decoder/vp9_decoder.c	(working copy)
@@ -37,7 +37,6 @@
 
   if (!init_done) {
     vp9_init_neighbors();
-    vp9_init_quant_tables();
     init_done = 1;
   }
 }
@@ -77,7 +76,7 @@
 
   cm->error.setjmp = 0;
 
-  vp9_worker_init(&pbi->lf_worker);
+  vp9_get_worker_interface()->init(&pbi->lf_worker);
 
   return pbi;
 }
@@ -87,12 +86,12 @@
   int i;
 
   vp9_remove_common(cm);
-  vp9_worker_end(&pbi->lf_worker);
+  vp9_get_worker_interface()->end(&pbi->lf_worker);
   vpx_free(pbi->lf_worker.data1);
   vpx_free(pbi->tile_data);
   for (i = 0; i < pbi->num_tile_workers; ++i) {
     VP9Worker *const worker = &pbi->tile_workers[i];
-    vp9_worker_end(worker);
+    vp9_get_worker_interface()->end(worker);
     vpx_free(worker->data1);
     vpx_free(worker->data2);
   }