Enable android multi-display in default

Enable android multi-display in default for testing in a broader scope.

Bug: 824954
Change-Id: I21e8c1574e39a5fd4b53067c25fcc6a46099b97a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2222624Reviewed-by: Theresa  <twellington@chromium.org>
Commit-Queue: Lijin Shen <lazzzis@google.com>
Cr-Commit-Position: refs/heads/master@{#773308}

chrome/browser/flags/android/chrome_feature_list.cc

@@ -269,7 +269,7 @@ const base::Feature kAndroidBlockIntentNonSafelistedHeaders{
     "AndroidBlockIntentNonSafelistedHeaders", base::FEATURE_ENABLED_BY_DEFAULT};
 
 const base::Feature kAndroidMultipleDisplay{"AndroidMultipleDisplay",
-                                            base::FEATURE_DISABLED_BY_DEFAULT};
+                                            base::FEATURE_ENABLED_BY_DEFAULT};
 
 const base::Feature kAndroidNightModeTabReparenting{
     "AndroidNightModeTabReparenting", base::FEATURE_ENABLED_BY_DEFAULT};