Disable flaky StartupBrowserCreatorTest.ProfilesLaunchedAfterCrash

TBR=tmartino@chromium.org

Bug: 819976
Change-Id: I45d3f2f0286c6572ace56ab1ca73b1009c4737cc
Reviewed-on: https://chromium-review.googlesource.com/958747Reviewed-by: Trent Apted <tapted@chromium.org>
Commit-Queue: Trent Apted <tapted@chromium.org>
Cr-Commit-Position: refs/heads/master@{#542435}

chrome/browser/ui/startup/startup_browser_creator_browsertest.cc

@@ -783,7 +783,9 @@ IN_PROC_BROWSER_TEST_F(StartupBrowserCreatorTest,
   ASSERT_EQ(0u, chrome::GetBrowserCount(profile_home2));
 }
 
-IN_PROC_BROWSER_TEST_F(StartupBrowserCreatorTest, ProfilesLaunchedAfterCrash) {
+// Flaky. See https://crbug.com/819976.
+IN_PROC_BROWSER_TEST_F(StartupBrowserCreatorTest,
+                       DISABLED_ProfilesLaunchedAfterCrash) {
   // After an unclean exit, all profiles will be launched. However, they won't
   // open any pages automatically.