AndroidWorkload: Fixed validate version error messages.
AndroidWorkload: Fixed validate version error messages.

Fixed typos in ``validate_version`` method which caused incorrect reporting
of maximum apk version.

jimboatarm/workload-automation,bjackman/workload-automation,bjackman/workload-automation,jimboatarm/workload-automation,Sticklyman1936/workload-automation,jimboatarm/workload-automation,jimboatarm/workload-automation,bjackman/workload-automation,Sticklyman1936/workload-automation,bjackman/workload-automation,bjackman/workload-automation,Sticklyman1936/workload-automation,jimboatarm/workload-automation,Sticklyman1936/workload-automation,jimboatarm/workload-automation,bjackman/workload-automation,Sticklyman1936/workload-automation,Sticklyman1936/workload-automation