[Sheriff] Disable flaky ShelfAnimatesToHiddenWhenGestureOutComplete

Still flaky:
https://ci.chromium.org/p/chromium/builders/ci/linux-chromeos-dbg/14609

TBR=manucornet@chromium.org

Bug: 1000463
Change-Id: Iae03820fc6b3e653e70028ba9e65d96fa005b568
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1831914Reviewed-by: Sergey Poromov <poromov@chromium.org>
Commit-Queue: Sergey Poromov <poromov@chromium.org>
Cr-Commit-Position: refs/heads/master@{#701138}

ash/shelf/shelf_layout_manager_unittest.cc

@@ -2298,7 +2298,9 @@ TEST_P(ShelfLayoutManagerTest, ShelfAnimatesToVisibleWhenGestureInComplete) {
 
 // Tests that the shelf animates to the auto hidden bounds after a swipe down
 // on the visible shelf.
-TEST_P(ShelfLayoutManagerTest, ShelfAnimatesToHiddenWhenGestureOutComplete) {
+// TODO(https://crbug.com/1000463): Flaky.
+TEST_P(ShelfLayoutManagerTest,
+       DISABLED_ShelfAnimatesToHiddenWhenGestureOutComplete) {
   Shelf* shelf = GetPrimaryShelf();
   shelf->SetAutoHideBehavior(SHELF_AUTO_HIDE_BEHAVIOR_ALWAYS);
   EXPECT_EQ(SHELF_AUTO_HIDE, shelf->GetVisibilityState());