Disabling UserAddingScreenTest.AddingSeveralUsers on ChromeOS ASAN/dbg

TBR=rsorokin

Bug: 1067461
Change-Id: I33b0cdd8823610da319870bfa1c8167fb0c847d7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2133992Reviewed-by: Meredith Lane <meredithl@chromium.org>
Commit-Queue: Meredith Lane <meredithl@chromium.org>
Cr-Commit-Position: refs/heads/master@{#756123}

chrome/browser/chromeos/login/ui/user_adding_screen_browsertest.cc

@@ -166,7 +166,13 @@ IN_PROC_BROWSER_TEST_F(UserAddingScreenTest, PRE_AddingSeveralUsers) {
   StartupUtils::MarkOobeCompleted();
 }
 
-IN_PROC_BROWSER_TEST_F(UserAddingScreenTest, AddingSeveralUsers) {
+// TODO(crbug.com/1067461): Flakes on ASAN and linux-chromeos-dbg
+#if defined(OS_CHROMEOS) && (defined(ADDRESS_SANITIZER) || !defined(NDEBUG))
+#define MAYBE_AddingSeveralUsers DISABLED_AddingSeveralUsers
+#else
+#define MAYBE_AddingSeveralUsers AddingSeveralUsers
+#endif
+IN_PROC_BROWSER_TEST_F(UserAddingScreenTest, MAYBE_AddingSeveralUsers) {
   EXPECT_EQ(session_manager::SessionState::LOGIN_PRIMARY,
             session_manager::SessionManager::Get()->session_state());