[Profile picker] Re-enable a browser test

Ozone suffered from various types of instrumentation failures and thus
gets excluded for the test.

Bug: 1126886
Change-Id: I87e817eee9fdca46fa8a518f6b47c93dd61b4c51
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2438131
Auto-Submit: Jan Krcal <jkrcal@chromium.org>
Reviewed-by: David Roger <droger@chromium.org>
Commit-Queue: Jan Krcal <jkrcal@chromium.org>
Cr-Commit-Position: refs/heads/master@{#813131}

chrome/browser/ui/startup/startup_browser_creator_browsertest.cc

@@ -1930,7 +1930,12 @@ class StartupBrowserCreatorPickerTest : public InProcessBrowserTest {
 };
 
 // Flaky: https://crbug.com/1126886
-IN_PROC_BROWSER_TEST_F(StartupBrowserCreatorPickerTest, DISABLED_OpensPicker) {
+#if defined(USE_OZONE) || defined(OS_WIN)
+#define MAYBE_OpensPicker DISABLED_OpensPicker
+#else
+#define MAYBE_OpensPicker OpensPicker
+#endif
+IN_PROC_BROWSER_TEST_F(StartupBrowserCreatorPickerTest, MAYBE_OpensPicker) {
   ASSERT_EQ(1u, chrome::GetTotalBrowserCount());
   base::CommandLine command_line(base::CommandLine::NO_PROGRAM);
   StartWithTwoProfiles(command_line);