Enable logging to console in DirectRTCClientTest.

This CL enables printing Android log to stdout for the test. This makes debugging the flakiness of the test easier.

BUG=webrtc:6475
R=magjed@webrtc.org

Review-Url: https://codereview.webrtc.org/2418413002
Cr-Commit-Position: refs/heads/master@{#14649}
diff --git a/webrtc/examples/androidjunit/src/org/appspot/apprtc/DirectRTCClientTest.java b/webrtc/examples/androidjunit/src/org/appspot/apprtc/DirectRTCClientTest.java
index 69d0ed7..6079fc6 100644
--- a/webrtc/examples/androidjunit/src/org/appspot/apprtc/DirectRTCClientTest.java
+++ b/webrtc/examples/androidjunit/src/org/appspot/apprtc/DirectRTCClientTest.java
@@ -25,6 +25,7 @@
 import org.junit.Test;
 import org.junit.runner.RunWith;
 import org.robolectric.annotation.Config;
+import org.robolectric.shadows.ShadowLog;
 import org.webrtc.IceCandidate;
 import org.webrtc.SessionDescription;
 
@@ -52,6 +53,8 @@
 
   @Before
   public void setUp() {
+    ShadowLog.stream = System.out;
+
     clientEvents = mock(AppRTCClient.SignalingEvents.class);
     serverEvents = mock(AppRTCClient.SignalingEvents.class);