cros: Enable GaiaActionsButton by default

Bug: 1068314
Change-Id: I5189e4dd76f6e168d9d17b2bd1bdfceeada68bc2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2138072Reviewed-by: Roman Aleksandrov <raleksandrov@google.com>
Commit-Queue: Roman Sorokin [CET] <rsorokin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#760004}

chromeos/constants/chromeos_features.cc

@@ -194,7 +194,7 @@ const base::Feature kGesturePropertiesDBusService{
 
 // Enable primary/secondary action buttons on Gaia login screen.
 const base::Feature kGaiaActionButtons{"GaiaActionButtons",
-                                       base::FEATURE_DISABLED_BY_DEFAULT};
+                                       base::FEATURE_ENABLED_BY_DEFAULT};
 
 // The new ChromeOS Help App. https://crbug.com/1012578.
 const base::Feature kHelpAppV2{"HelpAppV2", base::FEATURE_ENABLED_BY_DEFAULT};