Disabled KioskUpdateTest.UsbStickUpdateAppNoNetwork

TBR=achuith@chromium.org

Bug: 1021492
Change-Id: I92ac9a593b0fb03263c3df3cffa8f06354454f7f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1899454
Commit-Queue: Andy Paicu <andypaicu@chromium.org>
Reviewed-by: Andy Paicu <andypaicu@chromium.org>
Cr-Commit-Position: refs/heads/master@{#712533}

chrome/browser/chromeos/login/kiosk_browsertest.cc

@@ -1781,7 +1781,7 @@ IN_PROC_BROWSER_TEST_F(KioskUpdateTest, PRE_UsbStickUpdateAppNoNetwork) {
 }
 
 // Restart the device, verify the app has been updated to v2.
-IN_PROC_BROWSER_TEST_F(KioskUpdateTest, UsbStickUpdateAppNoNetwork) {
+IN_PROC_BROWSER_TEST_F(KioskUpdateTest, DISABLED_UsbStickUpdateAppNoNetwork) {
   // Verify the kiosk app has been updated to v2.
   set_test_app_id(kTestOfflineEnabledKioskApp);
   StartUIForAppLaunch();