[Android] Trigger native event batching through Feature API

content/browser/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("//gpu/vulkan/features.gni")
 import("//media/media_options.gni")
 import("//ppapi/features/features.gni")
 import("//printing/features/features.gni")
@@ skipping 235 matching lines @@
     "android/app_web_message_port.cc",
     "android/app_web_message_port.h",
     "android/background_sync_network_observer_android.cc",
     "android/background_sync_network_observer_android.h",
     "android/browser_jni_registrar.cc",
     "android/browser_jni_registrar.h",
     "android/browser_startup_controller.cc",
     "android/browser_startup_controller.h",
     "android/child_process_launcher_android.cc",
     "android/child_process_launcher_android.h",
+    "android/content_feature_list.cc",
+    "android/content_feature_list.h",
     "android/content_protocol_handler_impl.cc",
     "android/content_protocol_handler_impl.h",
     "android/content_startup_flags.cc",
     "android/content_startup_flags.h",
     "android/content_video_view.cc",
     "android/content_video_view.h",
     "android/devtools_auth.cc",
     "android/java_interfaces_impl.cc",
     "android/java_interfaces_impl.h",
     "android/scoped_surface_request_manager.cc",
@@ skipping 1773 matching lines @@
   if (!is_component_build) {
     public_deps = [
       ":browser",
     ]
   } else {
     public_deps = [
       "//third_party/leveldatabase",
     ]
   }
 }