libvpx: Pull from upstream

source/libvpx/vp9/encoder/vp9_speed_features.h

 /*
  *  Copyright (c) 2010 The WebM project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 348 matching lines @@
   // can be reused in final block encoding process. It is enabled only for real-
   // time mode speed 6.
   int reuse_inter_pred_sby;
 
   // This variable sets the encode_breakout threshold. Currently, it is only
   // enabled in real time mode.
   int encode_breakout_thresh;
 
   // In real time encoding, increase the threshold for NEWMV.
   int elevate_newmv_thresh;
+
+  // default interp filter choice
+  INTERP_FILTER default_interp_filter;
 } SPEED_FEATURES;
 
 struct VP9_COMP;
 
 void vp9_set_speed_features(struct VP9_COMP *cpi);
 
 #ifdef __cplusplus
 }  // extern "C"
 #endif
 
 #endif  // VP9_ENCODER_VP9_SPEED_FEATURES_H_