Add option to enable ECDSA key for Java API.

talk/app/webrtc/java/src/org/webrtc/PeerConnection.java

 /*
  * libjingle
  * Copyright 2013 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 106 matching lines @@
 
   /** Java version of PeerConnectionInterface.BundlePolicy */
   public enum BundlePolicy {
     BALANCED, MAXBUNDLE, MAXCOMPAT
   };
 
   /** Java version of PeerConnectionInterface.RtcpMuxPolicy */
   public enum RtcpMuxPolicy {
     NEGOTIATE, REQUIRE
   };
+
   /** Java version of PeerConnectionInterface.TcpCandidatePolicy */
   public enum TcpCandidatePolicy {
     ENABLED, DISABLED
   };
 
+  /** Java version of rtc::KeyType */
+  public enum KeyType {
+    RSA, ECDSA;
+  }
+
   /** Java version of PeerConnectionInterface.RTCConfiguration */
   public static class RTCConfiguration {
     public IceTransportsType iceTransportsType;
     public List<IceServer> iceServers;
     public BundlePolicy bundlePolicy;
     public RtcpMuxPolicy rtcpMuxPolicy;
     public TcpCandidatePolicy tcpCandidatePolicy;
     public int audioJitterBufferMaxPackets;
     public boolean audioJitterBufferFastAccelerate;
+    public KeyType keyType;
 
     public RTCConfiguration(List<IceServer> iceServers) {
       iceTransportsType = IceTransportsType.ALL;
       bundlePolicy = BundlePolicy.BALANCED;
       rtcpMuxPolicy = RtcpMuxPolicy.NEGOTIATE;
       tcpCandidatePolicy = TcpCandidatePolicy.ENABLED;
       this.iceServers = iceServers;
       audioJitterBufferMaxPackets = 50;
       audioJitterBufferFastAccelerate = false;
+      keyType = KeyType.ECDSA;
     }
   };
 
   private final List<MediaStream> localStreams;
   private final long nativePeerConnection;
   private final long nativeObserver;
 
   PeerConnection(long nativePeerConnection, long nativeObserver) {
     this.nativePeerConnection = nativePeerConnection;
     this.nativeObserver = nativeObserver;
@@ skipping 76 matching lines @@
   private native boolean nativeAddIceCandidate(
       String sdpMid, int sdpMLineIndex, String iceCandidateSdp);
 
   private native boolean nativeAddLocalStream(long nativeStream);
 
   private native void nativeRemoveLocalStream(long nativeStream);
 
   private native boolean nativeGetStats(
       StatsObserver observer, long nativeTrack);
 }