Revert of Implement BluetoothGattNotifySession::Stop on Android

device/bluetooth/bluetooth_gatt_notify_session_android.cc

+// 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.
+
+#include "device/bluetooth/bluetooth_gatt_notify_session_android.h"
+
+#include "base/logging.h"
+
+namespace device {
+
+BluetoothGattNotifySessionAndroid::BluetoothGattNotifySessionAndroid(
+    const std::string& characteristic_identifier)
+    : characteristic_id_(characteristic_identifier) {}
+
+BluetoothGattNotifySessionAndroid::~BluetoothGattNotifySessionAndroid() {}
+
+std::string BluetoothGattNotifySessionAndroid::GetCharacteristicIdentifier()
+    const {
+  return characteristic_id_;
+}
+
+bool BluetoothGattNotifySessionAndroid::IsActive() {
+  return true;
+}
+
+void BluetoothGattNotifySessionAndroid::Stop(const base::Closure& callback) {
+  NOTIMPLEMENTED();
+}
+
+}  // namespace device