[sheriff] Disable SandboxStatusWindowsUITest.testSandboxStatus

TBR=ajgo@chromium.org
R=ajgo@chromium.org

Bug: 1045564
Change-Id: Ibd82b6b2635f773df74467d45dfd390d3a9a0e79
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2020802Reviewed-by: François Doray <fdoray@chromium.org>
Commit-Queue: François Doray <fdoray@chromium.org>
Cr-Commit-Position: refs/heads/master@{#735131}

chrome/test/data/webui/sandboxstatus_browsertest.js

@@ -142,7 +142,8 @@ SandboxStatusWindowsUITest.prototype = {
 // This test is for Windows only.
 GEN('#if defined(OS_WIN)');
 GEN('# define MAYBE_testSandboxStatus \\');
-GEN('     testSandboxStatus');
+// TODO(https://crbug.com/1045564) Flaky on Windows.
+GEN('     DISABLED_testSandboxStatus');
 GEN('#else');
 GEN('# define MAYBE_testSandboxStatus \\');
 GEN('     DISABLED_testSandboxStatus');