Chromecast: Use std::vector to pass video config in CMA

chromecast/media/cma/filters/cma_renderer.cc

Index: chromecast/media/cma/filters/cma_renderer.cc
diff --git a/chromecast/media/cma/filters/cma_renderer.cc b/chromecast/media/cma/filters/cma_renderer.cc
index ae24df7877b2d58f11b97f3886834499fde0ea02..980e60112c530999e01a0591b7609381f04b3a49 100644
--- a/chromecast/media/cma/filters/cma_renderer.cc
+++ b/chromecast/media/cma/filters/cma_renderer.cc
@@ -323,8 +323,10 @@ void CmaRenderer::InitializeVideoPipeline() {
   initial_natural_size_ = config.natural_size();
 
   has_video_ = true;
+  std::vector<::media::VideoDecoderConfig> configs;
+  configs.push_back(config);
   media_pipeline_->InitializeVideo(
-      config,
+      configs,
       frame_provider.Pass(),
       video_initialization_done_cb);
 }