Moving src/webrtc into src/.

In order to eliminate the WebRTC Subtree mirror in Chromium, 
WebRTC is moving the content of the src/webrtc directory up
to the src/ directory.

NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
TBR=tommi@webrtc.org

Bug: chromium:611808
Change-Id: Iac59c5b51b950f174119565bac87955a7994bc38
Reviewed-on: https://webrtc-review.googlesource.com/1560
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Henrik Kjellander <kjellander@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19845}

sdk/android/api/org/webrtc/SessionDescription.java

@@ -0,0 +1,43 @@
+/*
+ *  Copyright 2013 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;
+
+import java.util.Locale;
+
+/**
+ * Description of an RFC 4566 Session.
+ * SDPs are passed as serialized Strings in Java-land and are materialized
+ * to SessionDescriptionInterface as appropriate in the JNI layer.
+ */
+public class SessionDescription {
+  /** Java-land enum version of SessionDescriptionInterface's type() string. */
+  public static enum Type {
+    OFFER,
+    PRANSWER,
+    ANSWER;
+
+    public String canonicalForm() {
+      return name().toLowerCase(Locale.US);
+    }
+
+    public static Type fromCanonicalForm(String canonical) {
+      return Type.valueOf(Type.class, canonical.toUpperCase(Locale.US));
+    }
+  }
+
+  public final Type type;
+  public final String description;
+
+  public SessionDescription(Type type, String description) {
+    this.type = type;
+    this.description = description;
+  }
+}