message: fix(animations): ensure `:animating` queries collect previous animation elements properly
diff: @@ -18,6 +18,9 @@ import {ENTER_CLASSNAME, LEAVE_CLASSNAME, NG_ANIMATING_CLASSNAME, NG_ANIMATING_S
  import {AnimationDriver} from './animation_driver';
  import {getOrSetAsInMap, listenOnPlayer, makeAnimationEvent, normalizeKeyframes, optimizeGroupPlayer} from './shared';
  +const QUEUED_CLASSNAME = 'ng-animate-queued';
  +const QUEUED_SELECTOR = '.ng-animate-queued';
  +
  const EMPTY_PLAYER_ARRAY: TransitionAnimationPlayer[] = [];
  const NULL_REMOVAL_STATE: ElementAnimationState = {
  namespaceId: '',
  @@ -235,12 +238,11 @@ export class AnimationTransitionNamespace {
  {element, triggerName, transition, fromState, toState, player, isFallbackTransition});
  if (!isFallbackTransition) {
  - addClass(element, NG_ANIMATING_CLASSNAME);
  + addClass(element, QUEUED_CLASSNAME);
  + player.onStart(() => { removeClass(element, QUEUED_CLASSNAME); });
  }
  player.onDone(() => {
  - removeClass(element, NG_ANIMATING_CLASSNAME);
  -
  let index = this.players.indexOf(player);
  if (index >= 0) {
  this.players.splice(index, 1);
  