Roll engine to 4c79e423dc6f89f98d8ceb263a5ca78e2f2da996 and update tests (#23357)

* Roll engine to 4c79e423dc6f89f98d8ceb263a5ca78e2f2da996 and update tests

bin/internal/engine.version

-58cdd53f9083412fa7da893f53c1ca1c93500532
+4c79e423dc6f89f98d8ceb263a5ca78e2f2da996

packages/flutter_tools/test/integration/expression_evaluation_test.dart

@@ -33,13 +33,13 @@ void main() {
 
     Future<VMIsolate> breakInBuildMethod(FlutterTestDriver flutter) async {
       return _flutter.breakAt(
-          Uri.file(_project.buildMethodBreakpointFile),
+          Uri.parse('package:test/main.dart'),
           _project.buildMethodBreakpointLine);
     }
 
     Future<VMIsolate> breakInTopLevelFunction(FlutterTestDriver flutter) async {
       return _flutter.breakAt(
-          Uri.file(_project.topLevelFunctionBreakpointFile),
+          Uri.parse('package:test/main.dart'),
           _project.topLevelFunctionBreakpointLine);
     }
 

packages/flutter_tools/test/integration/hot_reload_test.dart

@@ -41,7 +41,7 @@ void main() {
     test('reload hits breakpoints after reload', () async {
       await _flutter.run(withDebugger: true);
       final VMIsolate isolate = await _flutter.breakAt(
-          Uri.file(_project.breakpointFile),
+          Uri.parse('package:test/main.dart'),
           _project.breakpointLine);
       expect(isolate.pauseEvent, isInstanceOf<VMPauseBreakpointEvent>());
     });