[Sheriff] Disable WebKioskTest.LaunchWithConfigureAcceleratorPressed

Flaky test

TBR=apotapchuk@chromium.org

Bug: 1109651
Change-Id: I751e66813be2200ada35d9c600c4b03b40822b90
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2317955
Commit-Queue: Roman Sorokin [CET] <rsorokin@chromium.org>
Reviewed-by: Roman Sorokin [CET] <rsorokin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#791757}

chrome/browser/chromeos/login/web_kiosk_browsertest.cc

@@ -187,7 +187,9 @@ IN_PROC_BROWSER_TEST_F(WebKioskTest, AlreadyInstalledOffline) {
 // Presses a network configure dialog accelerator during app launch which will
 // interrupt the startup. We expect this dialog not to require network since the
 // app have not yet been installed.
-IN_PROC_BROWSER_TEST_F(WebKioskTest, LaunchWithConfigureAcceleratorPressed) {
+// TODO(https://crbug.com/1109651) Flaky test.
+IN_PROC_BROWSER_TEST_F(WebKioskTest,
+                       DISABLED_LaunchWithConfigureAcceleratorPressed) {
   SetOnline(true);
   PrepareAppLaunch();
   LaunchApp();