code: public static synchronized MCAAuthorizationManager createInstance(Context context, String tenantId) {
          instance = createInstance(context);
          if (null != tenantId) {
              instance.tenantId = tenantId;
          }
          return instance;
  
      }
docs: Init singleton instance with context and tenantId
  @param context Application context
  @param tenantId the unique tenant id of the MCA service instance that the application connects to.
  @return The singleton instance