Add back sender_time and receiver_time metrics to full stack tests.

BUG=none

Review-Url: https://codereview.webrtc.org/2781323002
Cr-Commit-Position: refs/heads/master@{#17462}

webrtc/video/video_quality_test.cc

@@ -744,6 +744,8 @@ class VideoAnalyzer : public PacketReceiver,
     rtc::CritScope crit(&comparison_lock_);
     PrintResult("psnr", psnr_, " dB");
     PrintResult("ssim", ssim_, " score");
+    PrintResult("sender_time", sender_time_, " ms");
+    PrintResult("receiver_time", receiver_time_, " ms");
     PrintResult("total_delay_incl_network", end_to_end_, " ms");
     PrintResult("time_between_rendered_frames", rendered_delta_, " ms");
     PrintResult("encode_frame_rate", encode_frame_rate_, " fps");