RTP: add the missing file for librtp_jni.

Change-Id: Ie35a7ca367b0e636662d68e2c84f4e66e937879a
diff --git a/src/jni/rtp_jni/rtp_jni.cpp b/src/jni/rtp_jni/rtp_jni.cpp
new file mode 100644
index 0000000..9f4bff9
--- /dev/null
+++ b/src/jni/rtp_jni/rtp_jni.cpp
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+
+#include "jni.h"
+
+extern int registerRtpStream(JNIEnv *env);
+extern int registerAudioGroup(JNIEnv *env);
+
+__attribute__((visibility("default"))) jint JNI_OnLoad(JavaVM *vm, void *unused)
+{
+    JNIEnv *env = NULL;
+    if (vm->GetEnv((void **)&env, JNI_VERSION_1_4) != JNI_OK ||
+        registerRtpStream(env) < 0 || registerAudioGroup(env) < 0) {
+        return -1;
+    }
+    return JNI_VERSION_1_4;
+}