Android: Disable internal tracer by default.

This is a debug feature and should be disabled by default. Any client
that needs this functionality should call setEnableInternalTracer.

Bug: webrtc:8553
Change-Id: I78d718ebb95fc5cb8c464327b5b36e385ccfa9c0
Reviewed-on: https://webrtc-review.googlesource.com/24540
Commit-Queue: Sami Kalliomäki <sakal@webrtc.org>
Reviewed-by: Magnus Jedvert <magjed@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#20814}
diff --git a/examples/androidapp/src/org/appspot/apprtc/PeerConnectionClient.java b/examples/androidapp/src/org/appspot/apprtc/PeerConnectionClient.java
index e4cd937..b641555 100644
--- a/examples/androidapp/src/org/appspot/apprtc/PeerConnectionClient.java
+++ b/examples/androidapp/src/org/appspot/apprtc/PeerConnectionClient.java
@@ -22,7 +22,6 @@
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.Iterator;
-import java.util.ArrayList;
 import java.util.List;
 import java.util.Timer;
 import java.util.TimerTask;
@@ -427,6 +426,7 @@
         PeerConnectionFactory.InitializationOptions.builder(context)
             .setFieldTrials(fieldTrials)
             .setEnableVideoHwAcceleration(peerConnectionParameters.videoCodecHwAcceleration)
+            .setEnableInternalTracer(true)
             .createInitializationOptions());
     if (peerConnectionParameters.tracing) {
       PeerConnectionFactory.startInternalTracingCapture(
diff --git a/sdk/android/api/org/webrtc/PeerConnectionFactory.java b/sdk/android/api/org/webrtc/PeerConnectionFactory.java
index de09a7c..d911504 100644
--- a/sdk/android/api/org/webrtc/PeerConnectionFactory.java
+++ b/sdk/android/api/org/webrtc/PeerConnectionFactory.java
@@ -63,7 +63,7 @@
     public static class Builder {
       private final Context applicationContext;
       private String fieldTrials = "";
-      private boolean enableInternalTracer = true;
+      private boolean enableInternalTracer = false;
       private boolean enableVideoHwAcceleration = true;
       private NativeLibraryLoader nativeLibraryLoader = new NativeLibrary.DefaultLoader();