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

base/BUILD.gn

 # Copyright (c) 2013 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/compiler/compiler.gni")
 import("//build/config/nacl/config.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 if (is_android) {
@@ skipping 1675 matching lines @@
     ]
     DEPRECATED_java_in_dir = "android/javatests/src"
   }
 
   # GYP: //base.gyp:base_java_test_support
   android_library("base_java_test_support") {
     deps = [
       ":base_java",
       "//testing/android/reporter:reporter_java",
     ]
+    srcjar_deps = [ ":base_native_test_libraries_gen" ]
     DEPRECATED_java_in_dir = "test/android/javatests/src"
+
+    jar_excluded_patterns = [ "*/NativeTestLibraries.class" ]
   }
 
   # TODO(jbudorick): Remove this once we roll to robolectric 3.0 and pull
   # in the multidex shadow library. crbug.com/522043
   # GYP: //base.gyp:base_junit_test_support
   java_library("base_junit_test_support") {
     testonly = true
     java_files = [ "test/android/junit/src/org/chromium/base/test/shadows/ShadowMultiDex.java" ]
     deps = [
       "//third_party/android_tools:android_support_multidex_java",
@@ skipping 40 matching lines @@
   }
 
   # GYP: //base/base.gyp:base_native_libraries_gen
   java_cpp_template("base_native_libraries_gen") {
     sources = [
       "android/java/templates/NativeLibraries.template",
     ]
     package_name = "org/chromium/base/library_loader"
   }
 
+  # GYP: //base/base.gyp:base_native_test_libraries_gen
+  java_cpp_template("base_native_test_libraries_gen") {
+    sources = [
+      "test/android/java/templates/NativeTestLibraries.template",
+    ]
+    package_name = "org/chromium/base/test/library_loader"
+  }
+
   # GYP: //base.gyp:base_java_unittest_support
   android_library("base_java_unittest_support") {
     deps = [
       ":base_java",
     ]
     java_files =
         [ "test/android/java/src/org/chromium/base/ContentUriTestUtils.java" ]
   }
 }