http://arstechnica.com/security/201...ked-zeroday-targeted-its-firewalls-for-years/
https://theintercept.com/2015/05/21/nsa-five-eyes-google-samsung-app-stores-spyware/
http://www.inquisitr.com/1151778/nsa-spying-on-yahoo-users-and-xbox-owners-leaked-documents-claim/
http://www.ghacks.net/2016/02/08/windows-10-phones-home-even-after-privacy-hardening/
http://thehackernews.com/2016/11/hacking-android-smartphone.html
and so on and so on...
It's lovely being an NSA collaborator.
None of these suggest Google openly allows spyware in Android.