Update Telemetry.cpp

Author: oontvoo

lldb/source/Core/Telemetry.cpp

@@ -136,7 +136,6 @@ class NoOpTelemetryManager : public TelemetryManager {
     static std::unique_ptr<NoOpTelemetryManager> g_ins =
         std::make_unique<NoOpTelemetryManager>();
     return g_ins.get();
-
   }
 };
 
@@ -151,7 +150,8 @@ TelemetryManager *TelemetryManager::GetInstance() {
 }
 
 void TelemetryManager::SetInstance(std::unique_ptr<TelemetryManager> manager) {
-  g_instance = std::move(manager);
+   if (Config::BuildTimeEnableTelemetry)
+     g_instance = std::move(manager);
 }
 
 } // namespace telemetry