[fuchsia] Disable flaky AccessibilityBridgeTest.HitTest.

TBR=kmarshall

Bug: 1050049, 973095
Change-Id: I71047a5f70b395cf78e9e8b7432b52b39a1f1e6b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2044096Reviewed-by: Wez <wez@chromium.org>
Commit-Queue: Wez <wez@chromium.org>
Auto-Submit: Wez <wez@chromium.org>
Cr-Commit-Position: refs/heads/master@{#739393}

fuchsia/engine/browser/accessibility_bridge_browsertest.cc

@@ -379,7 +379,8 @@ IN_PROC_BROWSER_TEST_F(AccessibilityBridgeTest, TestNavigation) {
 }
 
 // Checks that the correct node ID is returned when performing hit testing.
-IN_PROC_BROWSER_TEST_F(AccessibilityBridgeTest, HitTest) {
+// TODO(https://crbug.com/1050049): Re-enable once flake is fixed.
+IN_PROC_BROWSER_TEST_F(AccessibilityBridgeTest, DISABLED_HitTest) {
   fuchsia::web::NavigationControllerPtr controller;
   frame_ptr_->GetNavigationController(controller.NewRequest());
   ASSERT_TRUE(embedded_test_server()->Start());