Move RtcEventLog object from inside VoiceEngine to Call.

webrtc/api/java/src/org/webrtc/PeerConnection.java

Index: webrtc/api/java/src/org/webrtc/PeerConnection.java
diff --git a/webrtc/api/java/src/org/webrtc/PeerConnection.java b/webrtc/api/java/src/org/webrtc/PeerConnection.java
index 3c9fa0ee21f248a87fc4f3e0ac860be6e733e8fc..44b82696a24773e66ed077f015624af1f7332607 100644
--- a/webrtc/api/java/src/org/webrtc/PeerConnection.java
+++ b/webrtc/api/java/src/org/webrtc/PeerConnection.java
@@ -237,6 +237,19 @@ public class PeerConnection {
     return nativeGetStats(observer, (track == null) ? 0 : track.nativeTrack);
   }
 
+  // Starts recording an RTC event log. Ownership of the file is transfered to
+  // the native code. If an RTC event log is already being recorded, it will be
+  // stopped and a new one will start using the provided file.
+  public boolean startRtcEventLog(int file_descriptor) {

[the sun, 2016/03/03 09:25:12]

as discussed offline, add the max file size here to complete the interface, even
though the feature isn't implemented yet.

[ivoc, 2016/03/10 13:15:35]

Done.

+    return nativeStartRtcEventLog(nativePeerConnection, file_descriptor);
+  }
+
+  // Stops recording an RTC event log. If no RTC event log is currently being
+  // recorded, this call will have no effect.
+  public void StopRtcEventLog() {

[the sun, 2016/03/03 09:25:12]

lower case 's' in 'stop'

[ivoc, 2016/03/10 13:15:35]

Done.

+    nativeStopRtcEventLog(nativePeerConnection);
+  }
+
   // TODO(fischman): add support for DTMF-related methods once that API
   // stabilizes.
   public native SignalingState signalingState();
@@ -285,4 +298,10 @@ public class PeerConnection {
   private native List<RtpSender> nativeGetSenders();
 
   private native List<RtpReceiver> nativeGetReceivers();
+
+  private static native boolean nativeStartRtcEventLog(
+      long nativePeerConnection, int file_descriptor);
+
+  private static native void nativeStopRtcEventLog(long nativePeerConnection);
+
 }