cros: Turn on preloaded lock screen by default.

chrome/common/chrome_features.cc

Index: chrome/common/chrome_features.cc
diff --git a/chrome/common/chrome_features.cc b/chrome/common/chrome_features.cc
index c168f8488fec38b977c0eb1091c7dddab95581a7..15a6efbc61a15035e93bf34041f60c646e512101 100644
--- a/chrome/common/chrome_features.cc
+++ b/chrome/common/chrome_features.cc
@@ -191,7 +191,7 @@ const base::Feature kPreferHtmlOverPlugins{"PreferHtmlOverPlugins",
 // The lock screen will be preloaded so it is instantly available when the user
 // locks the Chromebook device.
 const base::Feature kPreloadLockScreen{"PreloadLockScreen",
-                                       base::FEATURE_DISABLED_BY_DEFAULT};
+                                       base::FEATURE_ENABLED_BY_DEFAULT};
 #endif
 
 // Enables the Print Scaling feature in print preview.