update for frametiming (#62933)

packages/flutter/lib/src/scheduler/binding.dart

@@ -1081,6 +1081,7 @@ mixin SchedulerBinding on BindingBase {
       'elapsed': frameTiming.totalSpan.inMicroseconds,
       'build': frameTiming.buildDuration.inMicroseconds,
       'raster': frameTiming.rasterDuration.inMicroseconds,
+      'vsyncOverhead': frameTiming.vsyncOverhead.inMicroseconds,
     });
   }
 

packages/flutter/test/scheduler/scheduler_test.dart

@@ -134,7 +134,8 @@ void main() {
   });
 
   test('Flutter.Frame event fired', () async {
-    window.onReportTimings(<FrameTiming>[FrameTiming.fromTimeStamps(
+    window.onReportTimings(<FrameTiming>[FrameTiming(
+      vsyncStart: 5000,
       buildStart: 10000,
       buildFinish: 15000,
       rasterStart: 16000,
@@ -147,9 +148,10 @@ void main() {
     final Map<String, dynamic> event = events.first;
     expect(event['number'], isNonNegative);
     expect(event['startTime'], 10000);
-    expect(event['elapsed'], 10000);
+    expect(event['elapsed'], 15000);
     expect(event['build'], 5000);
     expect(event['raster'], 4000);
+    expect(event['vsyncOverhead'], 5000);
   });
 
   test('TimingsCallback exceptions are caught', () {