cros: Make AppList Menus right align

Change the alignment for app menus to right aligned instead of left
aligned.

Bug: 846940
Change-Id: I34d8736d93117aa39306b5beb4c2e48b11f4122e
Reviewed-on: https://chromium-review.googlesource.com/1103383Reviewed-by: Yury Khmel <khmel@chromium.org>
Commit-Queue: Alex Newcomer <newcomer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#570247}

ash/app_list/views/app_list_item_view.cc

@@ -298,7 +298,7 @@ void AppListItemView::OnContextMenuModelReceived(
     run_types |= views::MenuRunner::USE_TOUCHABLE_LAYOUT |
                  views::MenuRunner::FIXED_ANCHOR |
                  views::MenuRunner::CONTEXT_MENU;
-    anchor_position = views::MENU_ANCHOR_BUBBLE_TOUCHABLE_LEFT;
+    anchor_position = views::MENU_ANCHOR_BUBBLE_TOUCHABLE_RIGHT;
     anchor_rect = apps_grid_view_->GetIdealBounds(this);
     // Anchor the menu to the same rect that is used for selection highlight.
     anchor_rect.ClampToCenteredSize(

ash/app_list/views/search_result_tile_item_view.cc

@@ -369,7 +369,7 @@ void SearchResultTileItemView::OnGetContextMenuModel(
   gfx::Rect anchor_rect = gfx::Rect(point, gfx::Size());
 
   if (::features::IsTouchableAppContextMenuEnabled()) {
-    anchor_position = views::MENU_ANCHOR_BUBBLE_TOUCHABLE_LEFT;
+    anchor_position = views::MENU_ANCHOR_BUBBLE_TOUCHABLE_RIGHT;
     run_types |= views::MenuRunner::USE_TOUCHABLE_LAYOUT |
                  views::MenuRunner::CONTEXT_MENU |
                  views::MenuRunner::FIXED_ANCHOR;