Implement standalone event tracing in AppRTCDemo.

webrtc/examples/androidtests/src/org/appspot/apprtc/test/PeerConnectionClientTest.java

Index: webrtc/examples/androidtests/src/org/appspot/apprtc/test/PeerConnectionClientTest.java
diff --git a/webrtc/examples/androidtests/src/org/appspot/apprtc/test/PeerConnectionClientTest.java b/webrtc/examples/androidtests/src/org/appspot/apprtc/test/PeerConnectionClientTest.java
index 5330bd2ea8014e0822f551a79daf61cbe0e2f749..59cf4acc61d0a5595f63c729ada07b94af703bd5 100644
--- a/webrtc/examples/androidtests/src/org/appspot/apprtc/test/PeerConnectionClientTest.java
+++ b/webrtc/examples/androidtests/src/org/appspot/apprtc/test/PeerConnectionClientTest.java
@@ -249,7 +249,7 @@ public class PeerConnectionClientTest extends InstrumentationTestCase
   private PeerConnectionParameters createParametersForAudioCall() {
     PeerConnectionParameters peerConnectionParameters =
         new PeerConnectionParameters(
-            false, true, // videoCallEnabled, loopback.
+            false, true, false, // videoCallEnabled, loopback, tracing.
             0, 0, 0, 0, "", true, false, // video codec parameters.
             0, "OPUS", false, false); // audio codec parameters.
     return peerConnectionParameters;
@@ -259,7 +259,7 @@ public class PeerConnectionClientTest extends InstrumentationTestCase
       String videoCodec, boolean captureToTexture) {
     PeerConnectionParameters peerConnectionParameters =
         new PeerConnectionParameters(
-            true, true, // videoCallEnabled, loopback.
+            true, true, false, // videoCallEnabled, loopback, tracing.
             0, 0, 0, 0, videoCodec, true, captureToTexture, // video codec parameters.
             0, "OPUS", false, false); // audio codec parameters.
     return peerConnectionParameters;