Internal change

PiperOrigin-RevId: 363345989

cpp/core/internal/bwu_manager.cc

@@ -67,6 +67,11 @@ BwuManager::BwuManager(
       V1Frame::BANDWIDTH_UPGRADE_NEGOTIATION, this);
 }
 
+BwuManager::~BwuManager() {
+  NEARBY_LOG(INFO, "BwuManager going down");
+  Shutdown();
+}
+
 void BwuManager::InitBwuHandlers() {
   // Register the supported concrete BwuMedium implementations.
   BwuHandler::BwuNotifications notifications{

cpp/core/internal/bwu_manager.h

@@ -74,7 +74,7 @@ class BwuManager : public EndpointManager::FrameProcessor {
              absl::flat_hash_map<Medium, std::unique_ptr<BwuHandler>> handlers,
              Config config);
 
-  ~BwuManager() override = default;
+  ~BwuManager() override;
 
   // This is the point on the outbound BWU protocol where the handler_ is set.
   // Function initiates the bandwidth upgrade and sends an