Do not use transform for BoundsAnimator in Launcher and Shelf

This provides a quick fix for the regression introduced
by crrev.com/c/2079607.

The use of transforms will be re-introduced shortly.

Bug: 1073653
Test: manual
Change-Id: I7612d0923e9991ad63e083007c1a30763fc60d15
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2165857Reviewed-by: Vladislav Kaznacheev <kaznacheev@chromium.org>
Reviewed-by: Mitsuru Oshima <oshima@chromium.org>
Reviewed-by: Sammie Quon <sammiequon@chromium.org>
Commit-Queue: Vladislav Kaznacheev <kaznacheev@chromium.org>
Cr-Commit-Position: refs/heads/master@{#763508}

ash/app_list/views/apps_grid_view.cc

@@ -417,7 +417,7 @@ AppsGridView::AppsGridView(ContentsView* contents_view,
   items_container_->SetPaintToLayer();
   items_container_->layer()->SetFillsBoundsOpaquely(false);
   bounds_animator_ = std::make_unique<views::BoundsAnimator>(
-      items_container_, /*use_transforms=*/true);
+      items_container_, /*use_transforms=*/false);
 
   if (!folder_delegate) {
     SetBorder(views::CreateEmptyBorder(

ash/shelf/shelf_navigation_widget.cc

@@ -402,7 +402,7 @@ ShelfNavigationWidget::ShelfNavigationWidget(Shelf* shelf,
       delegate_(new ShelfNavigationWidget::Delegate(shelf, shelf_view)),
       bounds_animator_(
           std::make_unique<views::BoundsAnimator>(delegate_,
-                                                  /*use_transforms=*/true)),
+                                                  /*use_transforms=*/false)),
       back_button_metrics_reporter_(
           std::make_unique<NavigationButtonAnimationMetricsReporter>(
               shelf,

ash/shelf/shelf_view.cc

@@ -325,7 +325,7 @@ ShelfView::ShelfView(ShelfModel* model,
       view_model_(std::make_unique<views::ViewModel>()),
       bounds_animator_(
           std::make_unique<views::BoundsAnimator>(this,
-                                                  /*use_transforms=*/true)),
+                                                  /*use_transforms=*/false)),
       focus_search_(std::make_unique<ShelfFocusSearch>(this)),
       drag_and_drop_host_(drag_and_drop_host),
       shelf_button_delegate_(shelf_button_delegate) {