feat: optimize paint and add profile records.

[andycall]

Support tracking performance profile data for WebF.

1. Support screenshots recorded in Flutter Frame profile:

2. Record performance data from Dart to JS and JS to Dart

Usage

enable profile tracking

void main() {
  enableWebFProfileTracking = true;
  runApp(MyApp());
}

Collect profile data

Map data = WebFProfiler.instance.report();