Feature request: Add gsfID generation

[nitanmarcel]

The ability to generate gsfID as in https://gitlab.com/AuroraOSS/gplayapi

The required proprietes could be easily fetch with adb or an android terminal by the user and feed to the library

Reference: https://gitlab.com/AuroraOSS/gplayapi/-/blob/master/src/main/java/com/aurora/gplayapi/GooglePlayApi.kt#L88