Proposal: Add YAML file with VM patch file information.

sdk/lib/dart_server.json

Index: sdk/lib/dart_server.json
diff --git a/sdk/lib/dart_server.json b/sdk/lib/dart_server.json
new file mode 100644
index 0000000000000000000000000000000000000000..8775a21aff32bd24c1a250b3e2556ba0a8b5b69a
--- /dev/null
+++ b/sdk/lib/dart_server.json
@@ -0,0 +1,20 @@
+{
+  "libraries": {
+    "_builtin": "../../runtime/bin/builtin.dart",
+    "core": "core/core.dart",
+    "async": "async/async.dart",
+    "collection": "collection/collection.dart",
+    "typed_data": "typed_data/typed_data.dart",
+    "nativewrappers": "html/dartium/nativewrappers.dart",
+    "developer": "developer/developer.dart",
+    "isolate": "isolate/isolate.dart",
+    "mirrors": "mirrors/mirrors.dart",
+    "_vmservice": "vmservice/vmservice.dart",
+    "io": "io/io.dart",
+    "_internal": "internal/internal.dart",
+    "convert": "convert/convert.dart",
+    "profiler": "profiler/profiler.dart",
+    "math": "math/math.dart",
+    "vmservice_io": "../../runtime/bin/vmservice/vmservice_io.dart"
+  }
+}