Enable DisplayChangeModal by default

Enables the resolution change modal by default.

Bug: 860097
Change-Id: I5774c8b710d3744c8e09e158aecbed5dafcfabb4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2038076
Commit-Queue: Bailey Berro <baileyberro@chromium.org>
Commit-Queue: Ahmed Fakhry <afakhry@chromium.org>
Auto-Submit: Bailey Berro <baileyberro@chromium.org>
Reviewed-by: Ahmed Fakhry <afakhry@chromium.org>
Cr-Commit-Position: refs/heads/master@{#738402}

ash/public/cpp/ash_features.cc

@@ -19,7 +19,7 @@ const base::Feature kAutoNightLight{"AutoNightLight",
                                     base::FEATURE_DISABLED_BY_DEFAULT};
 
 const base::Feature kDisplayChangeModal{"DisplayChangeModal",
-                                        base::FEATURE_DISABLED_BY_DEFAULT};
+                                        base::FEATURE_ENABLED_BY_DEFAULT};
 
 const base::Feature kDockedMagnifier{"DockedMagnifier",
                                      base::FEATURE_ENABLED_BY_DEFAULT};