Roll forward to cl/341113126

Signed-off-by: hai007 <hais@google.com>

cpp/core/internal/mediums/utils.cc

@@ -62,6 +62,8 @@ std::string Utils::UnwrapUpgradeServiceId(
 
 LocationHint Utils::BuildLocationHint(const std::string& location) {
   LocationHint location_hint;
+  location_hint.set_format(LocationStandard::UNKNOWN);
+
   if (!location.empty()) {
     location_hint.set_location(location);
     if (location.at(0) == '+') {

cpp/core/internal/mediums/wifi_lan.cc

@@ -243,6 +243,12 @@ WifiLanService WifiLan::GetRemoteWifiLanService(const std::string& ip_address,
   return medium_.FindRemoteService(ip_address, port);
 }
 
+std::pair<std::string, int> WifiLan::GetServiceAddress(
+    const std::string& service_id) {
+  MutexLock lock(&mutex_);
+  return medium_.GetServiceAddress(service_id);
+}
+
 }  // namespace connections
 }  // namespace nearby
 }  // namespace location

cpp/core/internal/mediums/wifi_lan.h

@@ -74,6 +74,9 @@ class WifiLan {
   WifiLanService GetRemoteWifiLanService(const std::string& ip_address,
                                          int port) ABSL_LOCKS_EXCLUDED(mutex_);
 
+  std::pair<std::string, int> GetServiceAddress(const std::string& service_id)
+      ABSL_LOCKS_EXCLUDED(mutex_);
+
  private:
   struct AdvertisingInfo {
     bool Empty() const { return service_ids.empty(); }