Fix incorrect config id being associated with post splice buffer.

content/renderer/media/webmediaplayer_impl.cc

Index: content/renderer/media/webmediaplayer_impl.cc
diff --git a/content/renderer/media/webmediaplayer_impl.cc b/content/renderer/media/webmediaplayer_impl.cc
index ea68fc7348126590c586d2cc31718fbf749f7223..fa12b0f31d18e7b121db0efaea0543f104cffe21 100644
--- a/content/renderer/media/webmediaplayer_impl.cc
+++ b/content/renderer/media/webmediaplayer_impl.cc
@@ -1167,7 +1167,7 @@ void WebMediaPlayerImpl::StartPipeline() {
         BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnDemuxerOpened),
         BIND_TO_RENDER_LOOP(&WebMediaPlayerImpl::OnNeedKey),
         base::Bind(&LogMediaSourceError, media_log_),
-        false);
+        true);
     demuxer_.reset(chunk_demuxer_);
   }