Re-enable ExecuteDefaultTaskOnDrive/FileManagerBrowserTest all bots

Enabled in RELEASE, now re-enable this test in DEBUG/MSAN/ASAN.

Bug: 836254
Change-Id: If7850581bd83a1c55f81d05b1c8f030f5e2caf14
Reviewed-on: https://chromium-review.googlesource.com/1046691Reviewed-by: Tatsuhisa Yamaguchi <yamaguchi@chromium.org>
Commit-Queue: Noel Gordon <noel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#556403}

chrome/browser/chromeos/file_manager/file_manager_browsertest.cc

@@ -340,13 +340,8 @@ WRAPPED_INSTANTIATE_TEST_CASE_P(
         TestParameter(NOT_IN_GUEST_MODE, "executeDefaultTaskOnDownloads"),
         TestParameter(IN_GUEST_MODE, "executeDefaultTaskOnDownloads")));
 
-#if defined(DISABLE_SLOW_FILESAPP_TESTS)
-#define MAYBE_ExecuteDefaultTaskOnDrive DISABLED_ExecuteDefaultTaskOnDrive
-#else
-#define MAYBE_ExecuteDefaultTaskOnDrive ExecuteDefaultTaskOnDrive
-#endif
 WRAPPED_INSTANTIATE_TEST_CASE_P(
-    MAYBE_ExecuteDefaultTaskOnDrive,
+    ExecuteDefaultTaskOnDrive,
     FileManagerBrowserTest,
     ::testing::Values(TestParameter(NOT_IN_GUEST_MODE,
                                     "executeDefaultTaskOnDrive")));