fix imports to unawaited (#47181)

packages/flutter_tools/test/commands.shard/hermetic/daemon_test.dart

@@ -5,6 +5,7 @@
 import 'dart:async';
 
 import 'package:flutter_tools/src/android/android_workflow.dart';
+import 'package:flutter_tools/src/base/common.dart';
 import 'package:flutter_tools/src/base/logger.dart';
 import 'package:flutter_tools/src/base/utils.dart';
 import 'package:flutter_tools/src/commands/daemon.dart';
@@ -12,7 +13,6 @@ import 'package:flutter_tools/src/fuchsia/fuchsia_workflow.dart';
 import 'package:flutter_tools/src/globals.dart';
 import 'package:flutter_tools/src/ios/ios_workflow.dart';
 import 'package:flutter_tools/src/resident_runner.dart';
-import 'package:pedantic/pedantic.dart';
 
 import '../../src/common.dart';
 import '../../src/context.dart';

packages/flutter_tools/test/general.shard/crash_reporting_test.dart

@@ -9,6 +9,7 @@ import 'package:file/file.dart';
 import 'package:file/local.dart';
 import 'package:file/memory.dart';
 import 'package:flutter_tools/runner.dart' as tools;
+import 'package:flutter_tools/src/base/common.dart';
 import 'package:flutter_tools/src/base/context.dart';
 import 'package:flutter_tools/src/base/io.dart';
 import 'package:flutter_tools/src/base/platform.dart';
@@ -18,7 +19,6 @@ import 'package:flutter_tools/src/reporting/reporting.dart';
 import 'package:flutter_tools/src/runner/flutter_command.dart';
 import 'package:http/http.dart';
 import 'package:http/testing.dart';
-import 'package:pedantic/pedantic.dart';
 import 'package:quiver/testing/async.dart';
 
 import '../src/common.dart';

packages/flutter_tools/tool/tool_coverage.dart

@@ -9,9 +9,9 @@ import 'dart:isolate';
 
 import 'package:async/async.dart';
 import 'package:coverage/coverage.dart';
+import 'package:flutter_tools/src/base/common.dart';
 import 'package:flutter_tools/src/context_runner.dart';
 import 'package:path/path.dart' as path;
-import 'package:pedantic/pedantic.dart';
 import 'package:stream_channel/isolate_channel.dart';
 import 'package:stream_channel/stream_channel.dart';
 import 'package:test_core/src/runner/hack_register_platform.dart' as hack; // ignore: implementation_imports