Add jitterBufferDelay and jitterBufferEmittedCount stats for video

jitterBufferDelay and jitterBufferEmittedCount are defined
in RTCMediaStreamStats for both audio and video.
But for video, they were not populated in RTCInboundRtpStreamStats.

Bug: webrtc:12910
Change-Id: I135d473f055ecfb2c39b078ccf18c1bb9bc4f210
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/224280
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Reviewed-by: Niels Moller <nisse@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Commit-Queue: Henrik Boström <hbos@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#34398}
diff --git a/pc/rtc_stats_collector.cc b/pc/rtc_stats_collector.cc
index 2049d83..1fa731b 100644
--- a/pc/rtc_stats_collector.cc
+++ b/pc/rtc_stats_collector.cc
@@ -333,6 +333,10 @@
       static_cast<uint64_t>(media_receiver_info.header_and_padding_bytes_rcvd);
   inbound_stats->packets_lost =
       static_cast<int32_t>(media_receiver_info.packets_lost);
+  inbound_stats->jitter_buffer_delay =
+      media_receiver_info.jitter_buffer_delay_seconds;
+  inbound_stats->jitter_buffer_emitted_count =
+      media_receiver_info.jitter_buffer_emitted_count;
 }
 
 std::unique_ptr<RTCInboundRTPStreamStats> CreateInboundAudioStreamStats(
@@ -353,10 +357,6 @@
   }
   inbound_audio->jitter = static_cast<double>(voice_receiver_info.jitter_ms) /
                           rtc::kNumMillisecsPerSec;
-  inbound_audio->jitter_buffer_delay =
-      voice_receiver_info.jitter_buffer_delay_seconds;
-  inbound_audio->jitter_buffer_emitted_count =
-      voice_receiver_info.jitter_buffer_emitted_count;
   inbound_audio->total_samples_received =
       voice_receiver_info.total_samples_received;
   inbound_audio->concealed_samples = voice_receiver_info.concealed_samples;