Add metric num_connectivity_oneshot_scans

  // Number scans that returned at least one result.

  optional int32 num_non_empty_scan_results = 13;

  // Number of scans that were one time.

  // Number of single scans requests.

  optional int32 num_oneshot_scans = 14;

  // Number of repeated background scans that were scheduled to the chip.

  // Wifi power statistics

  optional WifiPowerStats wifi_power_stats = 92;

  // Number of connectivity single scan requests.

  optional int32 num_connectivity_oneshot_scans = 93;

}

// Information that gets logged for every WiFi connection.