Enable Assistant web container for Launcher UI experiment

Bug: b/144383302
Test: Manual Test
Change-Id: I54dee29269111170716376762f94eef1a63e2a9d
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1915105Reviewed-by: Xiaohui Chen <xiaohuic@chromium.org>
Commit-Queue: Yue Li <updowndota@chromium.org>
Cr-Commit-Position: refs/heads/master@{#715398}

chromeos/services/assistant/public/features.cc

@@ -157,7 +157,7 @@ bool IsVoiceMatchDisabled() {
 }
 
 bool IsAssistantWebContainerEnabled() {
-  return app_list_features::IsAssistantLauncherUIEnabled() &&
+  return app_list_features::IsAssistantLauncherUIEnabled() ||
          base::FeatureList::IsEnabled(kEnableAssistantWebContainer);
 }