* For #1063 - Adds feature flag and pref for new tab tray
* For #1063 - Swaps add tab to tab tray button when newTabTray is enabled
* For #1063 - Creates hidden preference to use new tab tray
* For #1063 - Hides tabs on home screen when setting is enabled
* For #1063 - Navigate to new tab tray from browser with setting enabled
* For #1063 - Fixes regression where we dont show the new tab message with no tabs and no collections
* For #1063 - Fixes crash when toggling to private mode on the home screen
* For #1063 - combines both settings. Cleans up lint errors
* For #9751 - Cleans up homeFragment directions
* For #9751 - Uses global actions for fragments not owned by homeFragment
* For #9751 - Cleans up SearchFragment directions
* For #9751 - Removes settings action from DeleteBrowsingDataFragment
* For #9751 - Removes browser action from SettingsFragment
* For #9751 - Adds ManagePhoneFeature global action
* For #9751 - Clean up unused deletebrowsingfragment actions
* For #9751 - Cleans Up HistoryFragment actions
* For #9751 - Removes Home -> Search action
* For #9751 - Removes the Bookmark -> Browser action
* For #9751 - Cleans up bookmark fragment actions
* For #9751 - Cleans up actions from ShareController
* For #9751 - Removes defaultBrowserFragment to browserFragment action
* For #9751 - Removes about -> browser action
* For #9751 - Adds global action to TrackingProtectionFragment
* For #9751 - Removes exception -> browser action
* For #9751 - Removes login -> browser action
* For #9751 - Fixes LoginFragment directions
* For #9751 - Removes ExternalAppBrowser directions
* for #9751 - Cleans up actions
* For #9751 - Fixes unit tests
* For #9751 - Addresses nits in PR
This is triggered on collection expanding or shrinking that is animated.
The animation has android:fillEnabled="true" android:fillAfter="true".
This interferes with set visibility to gone and the click still triggers.
Disabling button avoids changing animation or force clearing it.
Christian Sadilek