Format all dart: library files

sdk/lib/vmservice/running_isolates.dart

Index: sdk/lib/vmservice/running_isolates.dart
diff --git a/sdk/lib/vmservice/running_isolates.dart b/sdk/lib/vmservice/running_isolates.dart
index 1a5ed06327160dc12c38d60ce465896c4a8b6a21..daf4442c3160e8b09f45eb30c64b820f8fe8c905 100644
--- a/sdk/lib/vmservice/running_isolates.dart
+++ b/sdk/lib/vmservice/running_isolates.dart
@@ -50,9 +50,9 @@ class RunningIsolates implements MessageRouter {
       // There is some chance that this isolate may have lived before,
       // so return a sentinel rather than an error.
       var result = {
-        'type' : 'Sentinel',
-        'kind' : 'Collected',
-        'valueAsString' : '<collected>',
+        'type': 'Sentinel',
+        'kind': 'Collected',
+        'valueAsString': '<collected>',
       };
       message.setResponse(encodeResult(message, result));
       return message.response;