* For #3633 - Adds SearchStore
* For #3633 - Refactors AwesomeBarUIView
* For #3633 - Refactors ToolbarUIView to use lib-state
* For #3633 - Fixes a couple of state bugs
* For #3633 - Moves all user interaction to SearchInteractor
* For #3633 - Adds kdocs to SearchStore and SearchInteractor
* For #3633 - Adds documentation for the properties on SearchState
Also removes uneccessary property
* For #3633 - Creates `StateViewModel` to handle state restoration
* For #3633 - Adds a test for onTextChanged
* For #3633 - Adds tests for SearchInteractor
* For #3633 - Fixes bugs and adds documentation
HomeFragment's onboarding items included drawableStart values, but also
built drawables in the view holders to replace them. Instead, we should
just use ImageViews so that work isn't duplicated.