Adding missing string for cloud rendering build target

com.unity.perception/Editor/Randomization/Editors/RunInUnitySimulationWindow.cs

 {
     class RunInUnitySimulationWindow : EditorWindow
     {
+        private const string m_SupportedGPUString = "Tesla";
+
         string m_BuildDirectory;
         string m_BuildZipPath;
         SysParamDefinition[] m_SysParamDefinitions;