Jeff Irion 14d169558f Add 'adb_response' attribute to Android TV / Fire TV (#23960)
* Add 'adb_response' attribute to Android TV / Fire TV

* Use None instead of empty string for empty ADB responses

* Initialize self._adb_response as None, not empty string

* Update the state after sending an ADB command

This ensures that the `'adb_response'` attribute contains the response to the latest command
2019-05-24 18:43:35 -04:00
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2019-04-03 17:40:03 +02:00