Sheriff: Disable DragAndDropBrowserTest.DropForbiddenUrlFromOutside on TSan builds

TBR=sky@chromium.org

Bug: 1005095
Change-Id: I9ab1fe467bc0c8d927f7ba4154674c0a3ca5fcb4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1810498Reviewed-by: Fergus Dall <sidereal@google.com>
Commit-Queue: Fergus Dall <sidereal@google.com>
Cr-Commit-Position: refs/heads/master@{#697502}

chrome/browser/ui/views/drag_and_drop_interactive_uitest.cc

@@ -841,8 +841,9 @@ IN_PROC_BROWSER_TEST_P(DragAndDropBrowserTest, MAYBE_DropValidUrlFromOutside) {
   EXPECT_EQ(initial_history_count + 1, controller.GetEntryCount());
 }
 
-#if defined(OS_WIN)
+#if defined(OS_WIN) || defined(THREAD_SANITIZER)
 // Flaky: https://crbug.com/988938
+// Race condition: crbug.com/1005095
 #define MAYBE_DropForbiddenUrlFromOutside DISABLED_DropForbiddenUrlFromOutside
 #else
 #define MAYBE_DropForbiddenUrlFromOutside DropForbiddenUrlFromOutside