Instrument usage of include_flutter.groovy and xcode_backend.sh (#34189)

This is done via `flutter build bundle`.   As a consequence, this PR introduces a new way to disable analytics via the `FLUTTER_SUPPRESS_ANALYTICS` env flag.

packages/flutter_tools/lib/src/ios/simulators.dart

diff --git a/packages/flutter_tools/lib/src/ios/simulators.dart b/packages/flutter_tools/lib/src/ios/simulators.dart
index 62535d0..b22e32d 100644
--- a/packages/flutter_tools/lib/src/ios/simulators.dart
+++ b/packages/flutter_tools/lib/src/ios/simulators.dart
@@ -15,7 +15,7 @@
 import '../base/process_manager.dart';
 import '../base/utils.dart';
 import '../build_info.dart';
-import '../bundle.dart' as bundle;
+import '../bundle.dart';
 import '../convert.dart';
 import '../device.dart';
 import '../globals.dart';
@@ -412,7 +412,7 @@
 
   Future<void> _sideloadUpdatedAssetsForInstalledApplicationBundle(ApplicationPackage app, BuildInfo buildInfo, String mainPath) {
     // Run compiler to produce kernel file for the application.
-    return bundle.build(
+    return BundleBuilder().build(
       mainPath: mainPath,
       precompiledSnapshot: false,
       trackWidgetCreation: buildInfo.trackWidgetCreation,