[Android] Add ChromiumNetTestSupport.apk for the java EmbeddedTestServer.

net/test/android/javatests/src/org/chromium/net/test/IEmbeddedTestServerImpl.aidl

Index: net/test/android/javatests/src/org/chromium/net/test/IEmbeddedTestServerImpl.aidl
diff --git a/net/test/android/javatests/src/org/chromium/net/test/IEmbeddedTestServerImpl.aidl b/net/test/android/javatests/src/org/chromium/net/test/IEmbeddedTestServerImpl.aidl
new file mode 100644
index 0000000000000000000000000000000000000000..206e00d70a285d4fc4bfb99466dec85a743cce58
--- /dev/null
+++ b/net/test/android/javatests/src/org/chromium/net/test/IEmbeddedTestServerImpl.aidl
@@ -0,0 +1,41 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.net.test;
+
+interface IEmbeddedTestServerImpl {
+
+    /** Initialize the native object. */
+    void initializeNative();
+
+    /** Starts the server.
+     *
+     *  @return Whether the server was successfully started.
+     */
+    boolean start();
+
+    /** Serve files from the provided directory.
+     *
+     *  @param directoryPath The path of the directory from which files should be served.

[mef, 2015/11/25 17:20:22]

what happens if directory is not accessible from server process?

[jbudorick, 2015/12/01 15:38:23]

404, same as if the directory doesn't exist.

+     */
+    void serveFilesFromDirectory(String directoryPath); 
+
+    /** Get the full URL for the given relative URL.
+     *
+     *  @param relativeUrl The relative URL for which a full URL should be returned.
+     *  @return The URL as a String.
+     */
+    String getURL(String relativeUrl);
+
+    /** Shut down the server.
+     *
+     *  @return Whether the server was successfully shut down.
+     */
+    boolean shutdownAndWaitUntilComplete();
+
+    /** Destroy the native object. */
+    void destroy();
+
+}
+