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_socket.cc

@@ -0,0 +1,49 @@
+// 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.
+
+#include "internal/platform/implementation/windows/ble_socket.h"
+
+#include "absl/synchronization/mutex.h"
+#include "internal/platform/implementation/ble.h"
+
+namespace location {
+namespace nearby {
+namespace windows {
+
+InputStream& BleSocket::GetInputStream() {
+  return fake_input_stream_;
+}
+
+OutputStream& BleSocket::GetOutputStream() {
+  return fake_output_stream_;
+}
+
+bool BleSocket::IsClosed() const {
+  absl::MutexLock lock(&mutex_);
+  return closed_;
+}
+
+Exception BleSocket::Close() {
+  absl::MutexLock lock(&mutex_);
+  return {Exception::kSuccess};
+}
+
+BlePeripheral* BleSocket::GetRemotePeripheral() {
+  absl::MutexLock lock(&mutex_);
+  return peripheral_;
+}
+
+}  // namespace windows
+}  // namespace nearby
+}  // namespace location