Revert of Move ADM specific Android files into modules/audio_device/android/

webrtc/modules/audio_device/BUILD.gn

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 import("../../build/webrtc.gni")
 
@@ skipping 92 matching lines @@
       sources += [
         "android/audio_device_template.h",
         "android/audio_manager.cc",
         "android/audio_manager.h",
         "android/audio_record_jni.cc",
         "android/audio_record_jni.h",
         "android/audio_track_jni.cc",
         "android/audio_track_jni.h",
         "android/build_info.cc",
         "android/build_info.h",
-        "android/helpers_android.cc",
-        "android/helpers_android.h",
-        "android/jvm_android.cc",
-        "android/jvm_android.h",
         "android/opensles_common.cc",
         "android/opensles_common.h",
         "android/opensles_player.cc",
         "android/opensles_player.h",
         "android/opensles_recorder.cc",
         "android/opensles_recorder.h",
       ]
       libs = [
         "log",
         "OpenSLES",
@@ skipping 161 matching lines @@
       "../../system_wrappers",
       "../../test:test_support",
       "../../test:test_support_main",
       "../rtp_rtcp",
       "../utility",
       "//testing/gtest",
     ]
     public_configs = [ ":audio_device_config" ]
   }
 }