Increase logging severity level for SW fallback.

webrtc/media/engine/videodecodersoftwarefallbackwrapper.cc

Index: webrtc/media/engine/videodecodersoftwarefallbackwrapper.cc
diff --git a/webrtc/media/engine/videodecodersoftwarefallbackwrapper.cc b/webrtc/media/engine/videodecodersoftwarefallbackwrapper.cc
index f5b54e11d3336493297a91bdc07d3aac426e1e46..6a234d54de0d1e068d12684f38e0ad2e8162ec8c 100644
--- a/webrtc/media/engine/videodecodersoftwarefallbackwrapper.cc
+++ b/webrtc/media/engine/videodecodersoftwarefallbackwrapper.cc
@@ -94,7 +94,7 @@ int32_t VideoDecoderSoftwareFallbackWrapper::Decode(
     if (ret == WEBRTC_VIDEO_CODEC_OK) {
       if (fallback_decoder_) {
         // Decode OK -> stop using fallback decoder.
-        LOG(LS_INFO)
+        LOG(LS_WARNING)
             << "Decode OK, no longer using the software fallback decoder.";
         fallback_decoder_->Release();
         fallback_decoder_.reset();