Adding getParameters/setParameters APIs to RtpReceiver.

webrtc/api/java/src/org/webrtc/RtpReceiver.java

 /*
  *  Copyright 2015 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 package org.webrtc;
 
 /** Java wrapper for a C++ RtpReceiverInterface. */
 public class RtpReceiver {
   final long nativeRtpReceiver;
 
   private MediaStreamTrack cachedTrack;
 
   public RtpReceiver(long nativeRtpReceiver) {
     this.nativeRtpReceiver = nativeRtpReceiver;
     long track = nativeGetTrack(nativeRtpReceiver);
     // We can assume that an RtpReceiver always has an associated track.
     cachedTrack = new MediaStreamTrack(track);
   }
 
   public MediaStreamTrack track() {
     return cachedTrack;
   }
 
+  public boolean setParameters(RtpParameters parameters) {
+    return nativeSetParameters(nativeRtpReceiver, parameters);
+  }
+
+  public RtpParameters getParameters() {
+    return nativeGetParameters(nativeRtpReceiver);
+  }
+
   public String id() {
     return nativeId(nativeRtpReceiver);
   }
 
   public void dispose() {
     cachedTrack.dispose();
     free(nativeRtpReceiver);
   }
 
   // This should increment the reference count of the track.
   // Will be released in dispose().
   private static native long nativeGetTrack(long nativeRtpReceiver);
 
+  private static native boolean nativeSetParameters(long nativeRtpReceiver,
+                                                    RtpParameters parameters);
+
+  private static native RtpParameters nativeGetParameters(long nativeRtpReceiver);
+
   private static native String nativeId(long nativeRtpReceiver);
 
   private static native void free(long nativeRtpReceiver);
 };