Revert "reland add lifecycle enum and fix the scheduleforcedframe"

dev/bots/test.dart

@@ -106,7 +106,6 @@ Future<void> main(List<String> args) async {
   print('═' * 80);
   await selectShard(const <String, ShardRunner>{
     'add_to_app_tests': _runAddToAppTests,
-    'add_to_app_life_cycle_tests': _runAddToAppLifeCycleTests,
     'build_tests': _runBuildTests,
     'framework_coverage': _runFrameworkCoverage,
     'framework_tests': _runFrameworkTests,
@@ -359,17 +358,6 @@ Future<void> _runAddToAppTests() async {
   }
 }
 
-Future<void> _runAddToAppLifeCycleTests() async {
-  if (Platform.isMacOS) {
-    print('${green}Running add-to-app life cycle iOS integration tests$reset...');
-    final String addToAppDir = path.join(flutterRoot, 'dev', 'integration_tests', 'ios_add2app_life_cycle');
-    await runCommand('./build_and_test.sh',
-      <String>[],
-      workingDirectory: addToAppDir,
-    );
-  }
-}
-
 Future<void> _runFrameworkTests() async {
   final bq.BigqueryApi bigqueryApi = await _getBigqueryApi();