[debug] re-add feature tracking for LiveEdit

R=bmeurer@chromium.org

Change-Id: I45d41d6074cdf117cdef6128f8544e1a882615c0
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1849513Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Yang Guo <yangguo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#64180}

src/debug/debug.cc

@@ -1901,6 +1901,7 @@ bool Debug::CanBreakAtEntry(Handle<SharedFunctionInfo> shared) {
 bool Debug::SetScriptSource(Handle<Script> script, Handle<String> source,
                             bool preview, debug::LiveEditResult* result) {
   DebugScope debug_scope(this);
+  feature_tracker()->Track(DebugFeatureTracker::kLiveEdit);
   running_live_edit_ = true;
   LiveEdit::PatchScript(isolate_, script, source, preview, result);
   running_live_edit_ = false;