Disable TabHoverCardBubbleViewBrowserTest.InactiveWindowStaysInactiveOnHover

Test is flaky on ci bots:
https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/Win10%20Tests%20x64/30508

Change-Id: I3b2658193ac62f53eed1db9d470c67b28987fc38
Reviewed-on: https://chromium-review.googlesource.com/c/1393664Reviewed-by: Allen Bauer <kylixrd@chromium.org>
Commit-Queue: Tommy Steimel <steimel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#619664}

chrome/browser/ui/views/tabs/tab_hover_card_bubble_view_browsertest.cc

@@ -155,7 +155,7 @@ IN_PROC_BROWSER_TEST_F(TabHoverCardBubbleViewBrowserTest, WidgetDataUpdate) {
 // Verify inactive window remains inactive when showing a hover card for a tab
 // in the inactive window.
 IN_PROC_BROWSER_TEST_F(TabHoverCardBubbleViewBrowserTest,
-                       InactiveWindowStaysInactiveOnHover) {
+                       DISABLED_InactiveWindowStaysInactiveOnHover) {
   ShowUi("default");
   BrowserView::GetBrowserViewForBrowser(browser())->Deactivate();
   ASSERT_FALSE(BrowserView::GetBrowserViewForBrowser(browser())->IsActive());