Update android_generic.txt
Update android_generic.txt

https://twitter.com/malwrhunterteam/status/1313191441431232522
https://www.virustotal.com/gui/file/9c8bf89d043ba3ed802d6d4f9b290747d12822402d61065adfbcb48a740a47b8/detection
stamparm/maltrail,stamparm/maltrail,stamparm/maltrail,stamparm/maltrail