* Fix AndroidManifest warnings
* Improve formatting of App
* Request access to legacy storage #cleanup
* Move image insertion in separate function

* Update testing dependencies
* Add testing dependencies to WorkManager sample
* Add CleanupWorkerTest
* Add Test for BaseFilterWorker
* Test periodic execution

Explicitly override RemoteMediator.initialize with instructional comment

Fix + add transformation example to PagingSample tests

Renamed CheeseItem to CheeseListITem
Fix imports
Minor nits

Added an example of mock differ + mock paging source style viewmodel
test, which allows testing against separator / transformation logic.

Introduce local extensino functions for conditional chaining.

Update PagingSample with ViewBinding and ActivityScenario

A test uses local resources. That's why we can't
use applicationContext here.

Re-enable PagingWithNetwork tests in CI