[Android] Add a java version of the test server spawner.

chrome/test/android/BUILD.gn

 # Copyright 2014 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.
 
 import("//build/config/android/rules.gni")
 
 # GYP: //chrome/chrome_tests.gypi:chrome_java_test_support
 android_library("chrome_java_test_support") {
   testonly = true
   DEPRECATED_java_in_dir = "javatests/src"
   deps = [
     "//base:base_java",
     "//base:base_java_test_support",
     "//chrome/android:chrome_java",
     "//chrome/android:chrome_java_resources",
     "//components/invalidation:java",
     "//content/public/android:content_java",
     "//content/public/test/android:content_java_test_support",
+    "//net/android:net_java_test_support",
     "//sync/android:sync_java",
     "//sync:sync_java_test_support",
     "//ui/android:ui_java",
   ]
 }