Upgrades to A-C 69.0.20201203202830 and addresses breaking changes:
- Upgrades androidx workmanager to 2.4.0 in line with A-C.
- RecordingDevicesNotificationFeature was removed
- SearchUseCases accept parent session ID instead of session itself
* For #13272 - Adds the ToolbarView to the SearchDialogFragment
* For #13273 - Replaces container dependency with context in AwesomebarView
* For #13276 - Hacks together the awesomebar and toolbar in the new search experience
* For #5577 - Adds button to add a new search engine
* For #5577 - Adds custom engine store
* For #5577 - Creates a custom SearchEngineProvider
* For #5577 - Gives the ability to delete search engines
* For #5577 - Adds the UI to add a custom search engine
* For #5577 - Adds form to create a custom search engine
* For #5577 - Adds the ability to add a custom search engine
* For #5577 - Adds the ability to delete custom search engines
* For #5577 - Selects the first element on the add custom search engine screen
* For #5577 - Prevents adding a search engine that already exists
* For #5577 - Styles the add search engine preference
* For #5577 - Makes the name check case-insensitive
* For #5577 - Fix bug where home screen doesnt see new search engines
* For #5577 - Moves Search URL validation to its own type
* For #5577 - Fixes linting errors
* For #5577 - Adds the ability to edit a custom search engine
* For #5577 - Allows the user to edit a serach engine even when it is the last item in the list
* For #5577 - Adds an undo snackbar when deleting a search engine
* For #5577 - Moves all of the strings to be translated
* For #5577 - Fixes bug when deleting your default search engine
* For #5577 - Puts adding search engines behind a feature flag
* For #5577 - Navigate to custom search engine SUMO article when tapping learn more
* For #5577 - Fixes nits
* For #5577 - Uses concept-fetch to validate search string
* For #5577 - Adds string resources for the cannot reach error state
- added engine hashmap so that we create each type of search provider once
(previously the providers to be added were checked by id, but since the id
is a UUID, it was always unique -> bug with multiple providers with same engine
but different id
- refactored update() flow so that it's more understandable + remove complex
method warning