Revert of Move //device/generic_sensor to be part of the internal implementation of the Device Service.

services/device/generic_sensor/platform_sensor_provider_android.h

-// Copyright 2016 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.
-
-#ifndef SERVICES_DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_PROVIDER_ANDROID_H_
-#define SERVICES_DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_PROVIDER_ANDROID_H_
-
-#include "services/device/generic_sensor/platform_sensor_provider.h"
-
-#include "base/android/scoped_java_ref.h"
-
-namespace device {
-
-class PlatformSensorProviderAndroid : public PlatformSensorProvider {
- public:
-  PlatformSensorProviderAndroid();
-  ~PlatformSensorProviderAndroid() override;
-
-  static PlatformSensorProviderAndroid* GetInstance();
-
- protected:
-  void CreateSensorInternal(mojom::SensorType type,
-                            mojo::ScopedSharedBufferMapping mapping,
-                            const CreateSensorCallback& callback) override;
-
- private:
-  // Java object org.chromium.device.sensors.PlatformSensorProvider
-  base::android::ScopedJavaGlobalRef<jobject> j_object_;
-
-  DISALLOW_COPY_AND_ASSIGN(PlatformSensorProviderAndroid);
-};
-
-}  // namespace device
-
-#endif  // SERVICES_DEVICE_GENERIC_SENSOR_PLATFORM_SENSOR_PROVIDER_ANDROID_H_