Apply ctrl.offsetLeft to the paging element when it changes
@param left
function handleOffsetChange (left) {
    var elements = getElements();
    var newValue = ((ctrl.shouldCenterTabs || isRtl() ? '' : '-') + left + 'px');

    // Fix double-negative which can happen with RTL support
    newValue = newValue.replace('--', '');

    angular.element(elements.paging).css($mdConstant.CSS.TRANSFORM, 'translate3d(' + newValue + ', 0, 0)');
    $scope.$broadcast('$mdTabsPaginationChanged');
  }