bluetooth: Move FactoryWrapper to device and expose a function for testing in chooser controller

device/bluetooth/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")
 
 if (is_android) {
   import("//build/config/android/rules.gni")  # For generate_jni().
 }
 
 config("bluetooth_config") {
@@ skipping 14 matching lines @@
     "android/bluetooth_jni_registrar.cc",
     "android/bluetooth_jni_registrar.h",
     "android/wrappers.cc",
     "android/wrappers.h",
     "bluetooth_adapter.cc",
     "bluetooth_adapter.h",
     "bluetooth_adapter_android.cc",
     "bluetooth_adapter_android.h",
     "bluetooth_adapter_factory.cc",
     "bluetooth_adapter_factory.h",
+    "bluetooth_adapter_factory_wrapper.cc",
+    "bluetooth_adapter_factory_wrapper.h",
     "bluetooth_adapter_mac.h",
     "bluetooth_adapter_mac.mm",
     "bluetooth_adapter_win.cc",
     "bluetooth_adapter_win.h",
     "bluetooth_advertisement.cc",
     "bluetooth_advertisement.h",
     "bluetooth_audio_sink.cc",
     "bluetooth_audio_sink.h",
     "bluetooth_channel_mac.h",
     "bluetooth_channel_mac.mm",
@@ skipping 341 matching lines @@
     jni_package = "bluetooth"
   }
 
   android_library("java") {
     java_files = java_sources_needing_jni
     deps = [
       "//base:base_java",
     ]
   }
 }