Disable DownloadTest.SaveLargeImage on Windows

crrev.com/820094 recently disabled the test on macOS and Linux due to
flakes. The tests are now flaking on Windows due to crashes, not
timeouts.

TBR=jam@chromium.org

Bug: 1141263
Change-Id: Ie2913d30a138b8073811e3ee04774c473d893aaf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2507950Reviewed-by: Daniel Hosseinian <dhoss@chromium.org>
Commit-Queue: Daniel Hosseinian <dhoss@chromium.org>
Cr-Commit-Position: refs/heads/master@{#822252}

chrome/browser/download/download_browsertest.cc

@@ -2721,8 +2721,8 @@ IN_PROC_BROWSER_TEST_F(DownloadTestWithHistogramTester,
 // Times out often on debug ChromeOS because test is slow.
 #if defined(OS_CHROMEOS) && (!defined(NDEBUG) || defined(MEMORY_SANITIZER))
 #define MAYBE_SaveLargeImage DISABLED_SaveLargeImage
-#elif defined(OS_MAC) || defined(OS_LINUX)
-// Started to be flaky on Linux and Mac too. https://crbug.com/1141263
+#elif defined(OS_WIN) || defined(OS_MAC) || defined(OS_LINUX)
+// Flaking on Windows, macOS, and Linux. https://crbug.com/1141263
 #define MAYBE_SaveLargeImage DISABLED_SaveLargeImage
 #else
 #define MAYBE_SaveLargeImage SaveLargeImage