Disable flaky MagnifierE2ETest.MovesDockedMagnifierToActiveDescendant

Bug: 1145612
Change-Id: Ib47f3d9bb291e08328b5d2dc1fa9e65126433ef7
NoTry: True
Tbr: dmazzoni@chromium.org
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2523757Reviewed-by: Xiaocheng Hu <xiaochengh@chromium.org>
Commit-Queue: Xiaocheng Hu <xiaochengh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#825105}

chrome/browser/resources/chromeos/accessibility/accessibility_common/magnifier/magnifier_test.js

@@ -75,8 +75,9 @@ TEST_F(
       });
     });
 
+// Disabled - flaky: https://crbug.com/1145612
 TEST_F(
-    'MagnifierE2ETest', 'MovesDockedMagnifierToActiveDescendant', function() {
+    'MagnifierE2ETest', 'DISABLED_MovesDockedMagnifierToActiveDescendant', function() {
       const site = `
     <div role="group" id="parent" aria-activedescendant="apple">
       <div id="apple" role="treeitem">Apple</div>