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 1573a8cb3deb1994cfc69367a54deaf4e2f5249e..0a310cf4abda0bfc28757dd7769274c4f5448a7b 100644
--- a/chromecast/media/cma/filters/cma_renderer.cc
+++ b/chromecast/media/cma/filters/cma_renderer.cc
@@ -321,8 +321,10 @@ void CmaRenderer::InitializeVideoPipeline() {
 
   initial_natural_size_ = config.natural_size();
 
+  std::vector<::media::VideoDecoderConfig> configs;
+  configs.push_back(config);
   media_pipeline_->InitializeVideo(
-      config,
+      configs,
       frame_provider.Pass(),
       video_initialization_done_cb);
 }