some whitespace cleanup (#14443)

packages/flutter_tools/lib/src/vmservice.dart

diff --git a/packages/flutter_tools/lib/src/vmservice.dart b/packages/flutter_tools/lib/src/vmservice.dart
index a5c45aa..f258e9b 100644
--- a/packages/flutter_tools/lib/src/vmservice.dart
+++ b/packages/flutter_tools/lib/src/vmservice.dart
@@ -547,7 +547,7 @@
   VMService get vmService => null;
 
   /// Builds a [ServiceObject] corresponding to the [id] from [map].
-  /// The result may come from the cache.  The result will not necessarily
+  /// The result may come from the cache. The result will not necessarily
   /// be [loaded].
   ServiceObject getFromMap(Map<String, dynamic> map);
 }
@@ -1171,7 +1171,7 @@
 
   Future<Map<String, dynamic>> flutterTogglePerformanceOverlayOverride() => _flutterToggle('showPerformanceOverlay');
 
-  Future<Map<String, dynamic>> flutterToggleWidgetInspector()  => _flutterToggle('debugWidgetInspector');
+  Future<Map<String, dynamic>> flutterToggleWidgetInspector() => _flutterToggle('debugWidgetInspector');
 
   Future<Null> flutterDebugAllowBanner(bool show) async {
     await invokeFlutterExtensionRpcRaw(