Extract some stuff into PackageManager

mandoline/app/android/BUILD.gn

 # Copyright 2015 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.
 
 assert(is_android)
 
 import("//build/config/android/config.gni")
 import("//build/config/android/rules.gni")
 import("//mojo/generate_mojo_shell_assets_list.gni")
 
 mandoline_assets_dir = "$root_build_dir/mandoline_assets"
 
 group("android") {
   deps = [
     ":mandoline_apk",
   ]
 }
 
 executable("mandoline_runner") {
   deps = [
     ":jni_headers",
     "//base",
     "//build/config/sanitizers:deps",
     "//mandoline/ui/desktop_ui/public/interfaces",
     "//mojo/common",
     "//mojo/environment:chromium",
+    "//mojo/package_manager",
     "//mojo/runner:lib",
     "//mojo/runner:mojo_runner_lib",
   ]
 
   sources = [
     "../core_services_initialization.cc",
     "mandoline_activity.cc",
     "mandoline_context_init.cc",
   ]
 
@@ skipping 92 matching lines @@
     ":copy_mandoline_runner",
     ":java",
     ":mandoline_apk_resources",
     "//mojo/runner:java",
     "//mojo/runner:resources",
     "//base:base_java",
     "//ui/platform_window/android:platform_window_java",
     google_play_services_resources,
   ]
 }