[ios] Disables DownloadManagerTestCase.testVisibleFileNameAndOpenInDownloads.

TBR=eugenebut@chromium.org
BUG=1044676

Change-Id: I83a925af601b4916a69b7e737352339610a258f0
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2014128Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Commit-Queue: Rohit Rao <rohitrao@chromium.org>
Cr-Commit-Position: refs/heads/master@{#734139}

ios/chrome/browser/ui/download/download_manager_egtest.mm

@@ -253,7 +253,8 @@ bool WaitForOpenInDownloadsButton() {
 }
 
 // Tests that filename label and "Open in Downloads" button are showing.
-- (void)testVisibleFileNameAndOpenInDownloads {
+// TODO(crbug.com/1044676): Fails on iPad iOS 13 simulator.
+- (void)DISABLED_testVisibleFileNameAndOpenInDownloads {
   // Apple is hiding UIActivityViewController's contents from the host app on
   // iOS 12. However, at least on iOS 13, the actions provided by the host app
   // itself are not obfuscated.