Support Wyze Android app for versions older than Android 7

[Omgitstony]

Here is some back story and discussion about why the minimum supported OS level was changed.

Important message for people using device operating systems (OS) lower than Android 7.0 and iOS 12.0:

UPDATE: This change is being postponed to give folks more time to find compatible devices. Thanks for the feedback, everyone! We’ll move forward with this change later this month or starting next month instead. Dear Friends, We always aim to provide a better app experience. Some of our upcoming features have a minimum operating system (OS) requirement to function effectively. Because of this and the existing challenges with older OS compatibility, the 2.22 app release scheduled …