Submission upload (EXPOSUREAPP-3748) (#1794)

* Submission upload, first draft.
Storing Symptoms and TEKs.

TODO:
* Change upload task to use stored data.
* Blocking upload task
* Tests

* Update symptoms on each screen.
Integrate permission request and automatic TEK history update.

TODO:
* Cancel dialog
* Blocking upload task
* Tests

* Add submission on cancel behavior.

* LINTs and unit tests.

* Hooking up navigation and first break through on TAN based submission.

* Hook up navigation for QR Code to test result without consent.

* Fix positive result consent given submission: Abort to Main Screen

* Restore default environment.

* Adjust notification target fragment.

* Address LINTs

* Clean up symptoms introduction nav actions.

* Fix tests