[EoS] Allow the internals page to work with all variants

Previously the internals overrides only worked for ENABLED variant.

Bug: NONE
Change-Id: Ia0abff7a164318ccb9e06f89d5566e3d68f503fb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1700471Reviewed-by: Cathy Li <chili@chromium.org>
Commit-Queue: Justin DeWitt <dewittj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#677109}

chrome/browser/ui/webui/explore_sites_internals/explore_sites_internals_page_handler.cc

@@ -57,7 +57,7 @@ void ExploreSitesInternalsPageHandler::GetProperties(
 
 void ExploreSitesInternalsPageHandler::ClearCachedExploreSitesCatalog(
     ClearCachedExploreSitesCatalogCallback callback) {
-  if (ExploreSitesVariation::ENABLED != GetExploreSitesVariation()) {
+  if (ExploreSitesVariation::DISABLED == GetExploreSitesVariation()) {
     std::move(callback).Run(false);
     return;
   }
@@ -77,7 +77,7 @@ void ExploreSitesInternalsPageHandler::ForceNetworkRequest(
 void ExploreSitesInternalsPageHandler::OverrideCountryCode(
     const std::string& country_code,
     OverrideCountryCodeCallback callback) {
-  if (ExploreSitesVariation::ENABLED != GetExploreSitesVariation()) {
+  if (ExploreSitesVariation::DISABLED == GetExploreSitesVariation()) {
     std::move(callback).Run(false);
     return;
   }