* Remove check for public key
* Remove has_adb_files, directly call cv.isfile
* Check for missing adbkey.pub, create dummy if not found
* Reorder imports
* Bumped androidtv library version, deactivated pubkey test
* Code works without pubkey, removed function
* Removed "import os", not needed anymore
* Bump library version
* Working on adding androidtv functionality to firetv component
* 'should_poll' must return True
* Change 'properties' to 'device_properties'
* Also mention 'Android TV' in services.yaml
* Use GitHub for 'androidtv' requirement
* Add 'androidtv==0.0.10' to requirements, remove 'firetv==1.0.9'
* Add 'GET_PROPERTIES' adb command option; use pypi for REQUIREMENTS
* Rename integration from 'firetv' to 'androidtv'
* Change default name to 'Android TV'
* Rename integration from 'firetv' to 'androidtv'
* Change firetv to androidtv in .coveragerc
* Change firetv to androidtv in requirements_all.txt
* Remove 'DEFAULT_APPS'