Add BLE V1 windows platform implementation

This CL implements the BLE V1 Medium and its corresponding unit tests:
- Start/Stop Advertising
- Start/Stop Scanning
- Receive BLE Advertisement callbacks handler
- BLE Advertisement Publisher/Watcher status callbacks handler

PiperOrigin-RevId: 449824666

internal/platform/implementation/windows/ble_peripheral.h

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+// Copyright 2022 Google LLC
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_WINDOWS_BLE_PERIPHERAL_H_
+#define THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_WINDOWS_BLE_PERIPHERAL_H_
+
+#include <string>
+
+#include "internal/platform/implementation/ble.h"
+
+namespace location {
+namespace nearby {
+namespace windows {
+
+// TODO(b/184975123): Implement BLE Peripheral
+// This is just a fake stub to appease the BLE Medium abstraction. Windows
+// does not support BLE GATT-based advertising/discovery and socket currently,
+// so a BlePeripheral is not required. The remote device is recognized as a
+// BluetoothClassicDevice instead.
+
+// Opaque wrapper over a BLE peripheral. Must contain enough data about a
+// particular BLE device to connect to its GATT server.
+class BlePeripheral : public api::BlePeripheral {
+ public:
+  ~BlePeripheral() override = default;
+
+  std::string GetName() const override { return ""; }
+
+  ByteArray GetAdvertisementBytes(
+      const std::string& service_id) const override {
+    return ByteArray{};
+  }
+};
+
+}  // namespace windows
+}  // namespace nearby
+}  // namespace location
+
+#endif  // THIRD_PARTY_NEARBY_INTERNAL_PLATFORM_IMPLEMENTATION_WINDOWS_BLE_PERIPHERAL_H_