Load PAG Enterprise SDK license from the specified path.
Return InvalidParameter if the file doesn’t exist or the data aren’t a valid license file or the
license is not used for the current application, Return LicenseExpired if the license has expired.
Note: If load failure, the watermark will always be displayed. If load success,
the watermark can be removed.
Suggestion: If your application uses online license, at the beginning of your app startup,
first download the license file asynchronously, manage the license file yourself, and then
call LoadSDKLicense to load the downloaded license