Revert "Use 'outline.dill' instead of 'platform.dill' in kernel isolate"

pkg/front_end/lib/src/fasta/fasta.dart

Index: pkg/front_end/lib/src/fasta/fasta.dart
diff --git a/pkg/front_end/lib/src/fasta/fasta.dart b/pkg/front_end/lib/src/fasta/fasta.dart
index 5404349a1071f27147998de04b48fa1feaab1604..23a53e4c67cd924530d25d0e864746bf28f24674 100644
--- a/pkg/front_end/lib/src/fasta/fasta.dart
+++ b/pkg/front_end/lib/src/fasta/fasta.dart
@@ -207,7 +207,7 @@ Future<CompilationResult> parseScriptInFileSystem(
       final DillTarget dillTarget = new DillTarget(
           ticker, uriTranslator, backendTarget,
           flags: new TargetFlags(strongMode: strongMode));
-      _appendDillForUri(dillTarget, patchedSdk.resolve('outline.dill'));
+      _appendDillForUri(dillTarget, patchedSdk.resolve('platform.dill'));
       final KernelTarget kernelTarget =
           new KernelTarget(fileSystem, dillTarget, uriTranslator, strongMode);
       kernelTarget.read(fileName);