Reenable ChromeVox hints

R=rsoroken@chromium.org

Fixed: 1161107
Change-Id: Ib4f1b2c5ac2c7d621175548859b902cc71b742da
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2643257Reviewed-by: Roman Sorokin [CET] <rsorokin@chromium.org>
Commit-Queue: David Tseng <dtseng@chromium.org>
Cr-Commit-Position: refs/heads/master@{#846216}

chromeos/constants/chromeos_features.cc

@@ -291,7 +291,7 @@ const base::Feature kEnableLocalSearchService{"EnableLocalSearchService",
 
 // Enables the OOBE ChromeVox hint dialog and announcement feature.
 const base::Feature kEnableOobeChromeVoxHint{"EnableOobeChromeVoxHint",
-                                             base::FEATURE_DISABLED_BY_DEFAULT};
+                                             base::FEATURE_ENABLED_BY_DEFAULT};
 
 // Enables Device End Of Lifetime warning notifications.
 const base::Feature kEolWarningNotifications{"EolWarningNotifications",