* Feature flag for ETP cookie purging
* Strings for new ETP description
* Remove icons from ETP info screeen and add category for redirect trackers
* ETP policy factory tests
* Remove icons from ETP panel and add cross tracking allowed field.
* Remove icons on ETP panel. Add blocked category for redirect trackers to panel.
* Add margins to tracking protection settings
* Add github actions workflows
* Add github actions for CI
* Fix lint and detekt errors
* Add caching to the github actions
* Add the workflow statuses to the README
* Give the jobs more descriptive names
* Consolidate github actions workflows to a single workflow
* Give the steps meaningful names, save detekt and lint results
engineView.setDynamicToolbarMaxHeight(0) vs
engineView.setDynamicToolbarMaxHeight(toolbarHeight)
ensures webpage's bottom elements are aligned to the bottom of the browser.
We also need to make sure that when the toolbar is static it does not cover the
bottom of the page - something desired when the toolbar was dynamic.
For this the engineView will have a toolbarHeight bottom margin.
Three new settings and one for which this patch just pre-lands the strings.
The behavior for the "Swipe toolbar up to open tabs" is to be added as part of
a later ticket.
Following issues fixed in tabs tray:
* Place the tab indicator at the top for top tabs tray layout
* Disable reverse layout for compact tabs as it messes with the layout
* Make the new tab button visible in private mode in light theme
The third issue is a bug in upstream Fenix! They did not do sufficient
UI testing of the tabs tray!
* Update Android Components version to 57.0.0.
* Remove feature flag for "View Downloads".
* Update search enginer list from changes by #13452
Co-authored-by: Chenxia Liu <liuche@mozilla.com>