Disable TooltipAuraUiaTest.TooltipUiaEvents since flaky

TBR=sky@chromium.org

Bug: 990214
Change-Id: I551f7832f6345b854d33c3517d4675acab3a20b7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1732741Reviewed-by: Gang Wu <gangwu@chromium.org>
Commit-Queue: Gang Wu <gangwu@chromium.org>
Auto-Submit: Gang Wu <gangwu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#683689}

chrome/browser/ui/views/tooltip/tooltip_aura_interactive_uitest_win.cc

@@ -29,7 +29,8 @@ class TooltipAuraUiaTest : public InProcessBrowserTest {
   }
 };
 
-IN_PROC_BROWSER_TEST_F(TooltipAuraUiaTest, TooltipUiaEvents) {
+// Flakily tests: http://crbug.com/990214
+IN_PROC_BROWSER_TEST_F(TooltipAuraUiaTest, DISABLED_TooltipUiaEvents) {
   // Setup accessibility waiter
   HWND window_handle = GetDesktopWindow();
   UiaAccessibilityWaiterInfo opened_info = {