Revert of Move RtcEventLog object from inside VoiceEngine to Call.

webrtc/api/java/src/org/webrtc/PeerConnectionFactory.java

Index: webrtc/api/java/src/org/webrtc/PeerConnectionFactory.java
diff --git a/webrtc/api/java/src/org/webrtc/PeerConnectionFactory.java b/webrtc/api/java/src/org/webrtc/PeerConnectionFactory.java
index 2edd56e8413d2b17601a7ab8e4929e608cf6747f..0c1ef3ca88e8a5ef77a3f891127e7a3986616c08 100644
--- a/webrtc/api/java/src/org/webrtc/PeerConnectionFactory.java
+++ b/webrtc/api/java/src/org/webrtc/PeerConnectionFactory.java
@@ -148,6 +148,28 @@
     nativeStopAecDump(nativeFactory);
   }
 
+  // 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) {
+    return startRtcEventLog(file_descriptor, -1);
+  }
+
+  // Same as above, but allows setting an upper limit to the size of the
+  // generated logfile.
+  public boolean startRtcEventLog(int file_descriptor,
+                                  int filesize_limit_bytes) {
+    return nativeStartRtcEventLog(nativeFactory,
+                                  file_descriptor,
+                                  filesize_limit_bytes);
+  }
+
+  // Stops recording an RTC event log. If no RTC event log is currently being
+  // recorded, this call will have no effect.
+  public void stopRtcEventLog() {
+    nativeStopRtcEventLog(nativeFactory);
+  }
+
   @Deprecated
   public void setOptions(Options options) {
     nativeSetOptions(nativeFactory, options);
@@ -253,6 +275,12 @@
 
   private static native void nativeStopAecDump(long nativeFactory);
 
+  private static native boolean nativeStartRtcEventLog(long nativeFactory,
+                                                       int file_descriptor,
+                                                       int filesize_limit_bytes);
+
+  private static native void nativeStopRtcEventLog(long nativeFactory);
+
   @Deprecated
   public native void nativeSetOptions(long nativeFactory, Options options);