Source release 17.1.1

cdm/include/properties_ce.h

@@ -19,6 +19,7 @@ class PropertiesCE {
   // If this is set to an empty string, (which is the default) then PropertiesCE
   // will report that there is no Sandbox ID in use.
   static void SetSandboxId(const std::string& sandbox_id);
+  static bool ClientInfoIsValid();
 
  private:
   static void SetSecureOutputType(Cdm::SecureOutputType secure_output_type);