* Updates the addressbar "lock" icon for the tracking-protection blocked/disabled state, the default "no trackers" state, and the "trackers blocked" state. Where we used to animate the transition to trackers blocked, its now a static iconwith the same blue/purple gradient fill. * Remove browser_protectionsUI_animation.js which was specifically testing the animation behavior and use of the animation frames as visible icons, which is no longer the case * Rename and adjust browser_protectionsUI_animation_2.js which is primarily testing the active/not state of the icon Differential Revision: https://phabricator.services.mozilla.com/D111507