Add logs in *_loopback tools in release builds

Bug: none
Change-Id: I2dc902a0643baa333b335374164c65878fb47a2b
Reviewed-on: https://webrtc-review.googlesource.com/40120
Reviewed-by: Rasmus Brandt <brandtr@webrtc.org>
Reviewed-by: Erik Språng <sprang@webrtc.org>
Commit-Queue: Ilya Nikolaevskiy <ilnik@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#21669}
diff --git a/video/video_quality_test.cc b/video/video_quality_test.cc
index ec110ff..3c39871 100644
--- a/video/video_quality_test.cc
+++ b/video/video_quality_test.cc
@@ -1810,6 +1810,7 @@
 }
 
 void VideoQualityTest::RunWithAnalyzer(const Params& params) {
+  rtc::LogMessage::SetLogToStderr(params.logging.logs);
   num_video_streams_ = params.call.dual_video ? 2 : 1;
   std::unique_ptr<test::LayerFilteringTransport> send_transport;
   std::unique_ptr<test::DirectTransport> recv_transport;
@@ -2020,6 +2021,7 @@
 }
 
 void VideoQualityTest::RunWithRenderers(const Params& params) {
+  rtc::LogMessage::SetLogToStderr(params.logging.logs);
   num_video_streams_ = params.call.dual_video ? 2 : 1;
   std::unique_ptr<test::LayerFilteringTransport> send_transport;
   std::unique_ptr<test::DirectTransport> recv_transport;