Re-enable SuggestAppDialog/FileManagerBrowserTest.Test/* all bots

Disabled test: re-enable all bots. Fixed on issue 804413 and related.

Tbr: slangley
No-Presubmit: true
Bug: 836254
Change-Id: Ia6760b8bb73a584f85bf893a448897c44b2fa169
Reviewed-on: https://chromium-review.googlesource.com/1029395Reviewed-by: Noel Gordon <noel@chromium.org>
Commit-Queue: Noel Gordon <noel@chromium.org>
Cr-Commit-Position: refs/heads/master@{#553978}

chrome/browser/chromeos/file_manager/file_manager_browsertest.cc

@@ -312,13 +312,8 @@ WRAPPED_INSTANTIATE_TEST_CASE_P(
                       TestParameter(NOT_IN_GUEST_MODE, "traverseDownloads"),
                       TestParameter(NOT_IN_GUEST_MODE, "traverseDrive")));
 
-#if defined(DISABLE_SLOW_FILESAPP_TESTS)
-#define MAYBE_SuggestAppDialog DISABLED_SuggestAppDialog
-#else
-#define MAYBE_SuggestAppDialog SuggestAppDialog
-#endif
 WRAPPED_INSTANTIATE_TEST_CASE_P(
-    DISABLED_SuggestAppDialog,
+    SuggestAppDialog,
     FileManagerBrowserTest,
     ::testing::Values(TestParameter(NOT_IN_GUEST_MODE, "suggestAppDialog")));