libvpx: Pull from upstream

source/libvpx/test/encode_test_driver.h

Index: source/libvpx/test/encode_test_driver.h
diff --git a/source/libvpx/test/encode_test_driver.h b/source/libvpx/test/encode_test_driver.h
index e16cf9cddc92238b2c1f849f0cd2e5f5312cbb02..7a068bf0bcfa2bb5980f51312f93263bdfbded10 100644
--- a/source/libvpx/test/encode_test_driver.h
+++ b/source/libvpx/test/encode_test_driver.h
@@ -133,6 +133,10 @@ class Encoder {
     ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
   }
 
+  void Control(int ctrl_id, struct vpx_svc_parameters *arg) {
+    const vpx_codec_err_t res = vpx_codec_control_(&encoder_, ctrl_id, arg);
+    ASSERT_EQ(VPX_CODEC_OK, res) << EncoderError();
+  }
 #if CONFIG_VP8_ENCODER || CONFIG_VP9_ENCODER
   void Control(int ctrl_id, vpx_active_map_t *arg) {
     const vpx_codec_err_t res = vpx_codec_control_(&encoder_, ctrl_id, arg);