* For #11171 - Removes feature flag for the new tab tray
* For #11171 - Removes all tab references from homeFragment
* For #11171 - Fixes unit tests
* For #11171 - Gets UI tests to compile and HomeScreenTest to pass
* For #11171 - Fixes `deleteMultipleSelectionTest`
* For #11171 - Fixes `openHistoryItemInNewPrivateTabTest`
* For #11171 - Fixes `openHistoryInPrivateTabTest`
* For #11171 - Fixes `openHistoryInNewTabTest`
* For #11171 - Fixes `openNewPrivateTabTest`
* For #11171 - Fixes tabbedBrowsingTests
* For #11171 - Fixes SettingsPrivacyTest
* For #11171 - Fixes TopSitesTest
* For #11171 - Fixes lint errors
* Ignore
- Renamed DownloadNotification and removed DownloadState.dismissed dependency
- Improved DynamicDownloadDialog behaviour when scrolling
- DynamicDownloadDialog remains attached to tab until dismissed
- Fixed onTryAgain not working for resumed DownloadDialogs