GN(Android): Fix up webkit_unit_tests to match GYP

third_party/WebKit/Source/web/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/ui.gni")
 import("//testing/test.gni")
 import("//third_party/WebKit/Source/bindings/bindings.gni")
 import("//third_party/WebKit/Source/config.gni")
 import("//third_party/WebKit/Source/core/core.gni")
 import("//third_party/WebKit/Source/modules/modules.gni")
@@ skipping 121 matching lines @@
 
     configs += [ "//third_party/WebKit/Source:inside_blink" ]
 
     sources += web_unittest_files
     sources += bindings_unittest_files
     sources += core_unittest_files
     sources += modules_unittest_files
     sources += platform_unittest_support_files
     sources += platform_web_unittest_files
   }
+
+  if (is_android) {
+    apk_deps = [
+      "//base:base_java",
+      "//net/android:net_java",
+      "//content/shell/android:copy_content_shell_assets",
+    ]
+    apk_asset_location = "$root_build_dir/content_shell/assets"
+  }
 }