BuildIdHelper to get the QPR version information

BuildIdHelper.kt

import android.os.Build

//Ref: https://source.android.com/docs/setup/reference/build-numbers#build-ids-defined

object BuildHelper {

    fun getQprNumber(): Int {
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) return 0
        else {
            when (Build.ID.substring(1, 2)) {
                "P", "D" -> return 0
                "Q" -> return Build.ID.substring(2, 3).toInt()
            }
        }
        return -1
    }
}