Copy perf.dart into front_end/tool.

pkg/pkg.status

Index: pkg/pkg.status
diff --git a/pkg/pkg.status b/pkg/pkg.status
index 0219688600fd01c46940f60c5221d08b67eda1d7..d0913e69f4ab29f85d26be053a86d3ef9e6ce8a0 100644
--- a/pkg/pkg.status
+++ b/pkg/pkg.status
@@ -50,6 +50,7 @@ collection/test/equality_test/04: Fail # Issue 1533
 collection/test/equality_test/05: Fail # Issue 1533
 collection/test/equality_test/none: Pass, Fail # Issue 14348
 compiler/tool/*: SkipByDesign # Only meant to run on vm
+front_end/tool/*: SkipByDesign # Only meant to run on vm
 lookup_map/test/version_check_test: SkipByDesign # Only meant to run in vm.
 typed_data/test/typed_buffers_test/01: Fail # Not supporting Int64List, Uint64List.
 
@@ -98,6 +99,7 @@ analyzer/tool/task_dependency_graph/check_test: SkipByDesign # Uses dart:io.
 analyzer/tool/summary/check_test: SkipByDesign # Uses dart:io.
 analyzer2dart/*: SkipByDesign # Uses dart:io.
 compiler/tool/*: SkipByDesign # Only meant to run on vm
+front_end/tool/*: SkipByDesign # Only meant to run on vm
 http_server/test/*: Fail, OK # Uses dart:io.
 observe/test/transformer_test: Fail, OK # Uses dart:io.
 observe/test/unique_message_test: SkipByDesign  # Uses dart:io.