Disable flaky DownloadAttributeSameOriginRedirectNavigation.

It's flaking on various platforms. See bug.

TBR=qinmin@chromium.org, xingliu@chromium.org
NOTRY=True

Bug: 1009913
Change-Id: I7d2be8e07d45e00bf427ece5d4c46b1a8655e166
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1832214Reviewed-by: Henrik Boström <hbos@chromium.org>
Commit-Queue: Henrik Boström <hbos@chromium.org>
Cr-Commit-Position: refs/heads/master@{#701545}

content/browser/download/download_browsertest.cc

@@ -3306,8 +3306,10 @@ IN_PROC_BROWSER_TEST_F(DownloadContentTest,
 
 // A file type that Blink can handle should not be downloaded if there are cross
 // origin redirects in the middle of the redirect chain.
+// TODO(https://crbug.com/1009913): Fix flakes on various bots and re-enable
+// this test.
 IN_PROC_BROWSER_TEST_F(DownloadContentTest,
-                       DownloadAttributeSameOriginRedirectNavigation) {
+                       DISABLED_DownloadAttributeSameOriginRedirectNavigation) {
   net::EmbeddedTestServer origin_one;
   net::EmbeddedTestServer origin_two;
   ASSERT_TRUE(origin_one.InitializeAndListen());