[Distributed] fix source completion test; it suggests distributed too now

Author: ktoso

test/SourceKit/CodeComplete/complete_override.swift.response

@@ -10,6 +10,16 @@
       key.typerelation: source.codecompletion.typerelation.notapplicable,
       key.num_bytes_to_erase: 0
     },
+    {
+      key.kind: source.lang.swift.keyword,
+      key.name: "_local",
+      key.sourcetext: "_local",
+      key.description: "_local",
+      key.typename: "",
+      key.context: source.codecompletion.context.none,
+      key.typerelation: source.codecompletion.typerelation.notapplicable,
+      key.num_bytes_to_erase: 0
+    },
     {
       key.kind: source.lang.swift.keyword,
       key.name: "associatedtype",
@@ -60,6 +70,16 @@
       key.typerelation: source.codecompletion.typerelation.notapplicable,
       key.num_bytes_to_erase: 0
     },
+    {
+      key.kind: source.lang.swift.keyword,
+      key.name: "distributed",
+      key.sourcetext: "distributed",
+      key.description: "distributed",
+      key.typename: "",
+      key.context: source.codecompletion.context.none,
+      key.typerelation: source.codecompletion.typerelation.notapplicable,
+      key.num_bytes_to_erase: 0
+    },
     {
       key.kind: source.lang.swift.keyword,
       key.name: "dynamic",