Demo Mode: Enable demo setup progress steps flag by default

Details of this change can be found here:
2114014: Demo Mode: Display descriptive progress during Demo setup
https://chromium-review.googlesource.com/c/chromium/src/+/2114014

Bug: b:148753805
Change-Id: Id101eb2dde6ed43939cc5012fb09982f1250d08e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2136009Reviewed-by: Patti <patricialor@chromium.org>
Commit-Queue: Joseph Kim <josephkimsh@google.com>
Cr-Commit-Position: refs/heads/master@{#756564}

chromeos/constants/chromeos_features.cc

@@ -304,8 +304,8 @@ const base::Feature kShowPlayInDemoMode{"ShowPlayInDemoMode",
                                         base::FEATURE_ENABLED_BY_DEFAULT};
 
 // Shows individual steps during Demo Mode setup.
-const base::Feature kShowStepsInDemoModeSetup{
-    "ShowStepsInDemoModeSetup", base::FEATURE_DISABLED_BY_DEFAULT};
+const base::Feature kShowStepsInDemoModeSetup{"ShowStepsInDemoModeSetup",
+                                              base::FEATURE_ENABLED_BY_DEFAULT};
 
 // Uses experimental component version for smart dim.
 const base::Feature kSmartDimExperimentalComponent{