[Android] Include NestedSystemMessageHandler in gn builds of content_shell_apk.

components/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/features.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 import("//tools/grit/repack.gni")
 
 if (is_android) {
@@ skipping 405 matching lines @@
     ]
 
     if (is_mac) {
       data += [ "$root_out_dir/Content Shell.app/" ]
     }
 
     if (is_android) {
       sources += [ "test/android/browsertests_apk/components_browser_tests_jni_onload.cc" ]
       sources -= [ "autofill/content/browser/risk/fingerprint_browsertest.cc" ]
       deps += [
+        "//content/public/test/android:layouttest_java_support",
         "//content/test:layouttest_support",
         "//testing/android/native_test:native_test_support",
       ]
       use_default_launcher = false
       isolate_file = "components_browsertests.isolate"
       android_manifest = "${target_gen_dir}/components_browsertests_manifest/AndroidManifest.xml"
       deps += [
         ":components_browsertests_assets",
         ":components_browsertests_java",
         ":components_browsertests_manifest",
@@ skipping 34 matching lines @@
       "//base/test:test_support_perf",
       "//components/scheduler",
       "//components/visitedlink/browser",
       "//content/test:test_support",
       "//testing/gtest",
       "//testing/perf",
       "//url",
     ]
   }
 }