Kill service_test.cc tests in favor of dart tests for the service protocol.

runtime/observatory/tests/service/get_vm_rpc_test.dart

+// Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
+// for details. All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+// VMOptions=--compile-all --error_on_bad_type --error_on_bad_override
+
+import 'dart:async';
+
+import 'package:observatory/service_io.dart';
+import 'package:unittest/unittest.dart';
+
+import 'test_helper.dart';
+
+var tests = [
+  (VM vm) async {
+    var result = await vm.invokeRpcNoUpgrade('getVM', {});
+    expect(result['type'], equals('VM'));
+    expect(result['architectureBits'], isPositive);
+    expect(result['targetCPU'], new isInstanceOf<String>());
+    expect(result['hostCPU'], new isInstanceOf<String>());
+    expect(result['version'], new isInstanceOf<String>());
+    expect(result['pid'], new isInstanceOf<String>());
+    expect(result['startTime'], isPositive);
+    expect(result['isolates'].length, isPositive);
+    expect(result['isolates'][0]['type'], equals('@Isolate'));
+    expect(result['_assertsEnabled'], new isInstanceOf<bool>());
+    expect(result['_typeChecksEnabled'], true);
+  },
+];
+
+main(args) async => runVMTests(args, tests);