cros: Disable views login by default

This CL is targeting only for m69.

Bug: 869411
Change-Id: Ie0cf9c8eb0f98b53ac3e7c4fda5585185ce95b9c
Reviewed-on: https://chromium-review.googlesource.com/1156875Reviewed-by: Xiyuan Xia <xiyuan@chromium.org>
Commit-Queue: Jacob Dufault <jdufault@chromium.org>
Cr-Commit-Position: refs/heads/master@{#579432}

ash/public/cpp/ash_features.cc

@@ -48,7 +48,8 @@ const base::Feature kTapVisualizerApp{"TapVisualizerApp",
 const base::Feature kTrilinearFiltering{"TrilinearFiltering",
                                         base::FEATURE_ENABLED_BY_DEFAULT};
 
-const base::Feature kViewsLogin{"ViewsLogin", base::FEATURE_ENABLED_BY_DEFAULT};
+const base::Feature kViewsLogin{"ViewsLogin",
+                                base::FEATURE_DISABLED_BY_DEFAULT};
 
 bool IsDockedMagnifierEnabled() {
   return base::FeatureList::IsEnabled(kDockedMagnifier);