Default to LS_INFO logging for release builds.

webrtc/base/unittest_main.cc

Index: webrtc/base/unittest_main.cc
diff --git a/webrtc/base/unittest_main.cc b/webrtc/base/unittest_main.cc
index fb74e9e5e182e3ab585e8e6276efd5bba92a7b52..167570d449e9555e7d89ddc54978151b07cf1876 100644
--- a/webrtc/base/unittest_main.cc
+++ b/webrtc/base/unittest_main.cc
@@ -93,6 +93,10 @@ int main(int argc, char** argv) {
   rtc::LogMessage::LogTimestamps();
   if (*FLAG_log != '\0') {
     rtc::LogMessage::ConfigureLogging(FLAG_log);
+  } else if (rtc::LogMessage::GetLogToDebug() > rtc::LS_INFO) {
+    // Default to LS_INFO, even for release builds to provide better test
+    // logging.
+    rtc::LogMessage::LogToDebug(rtc::LS_INFO);
   }
 
   // Initialize SSL which are used by several tests.