Add getVersion and setLibraryDebuggable RPCs to the service protocol.

runtime/observatory/tests/service/get_version_rpc_test.dart

Index: runtime/observatory/tests/service/get_version_rpc_test.dart
diff --git a/runtime/observatory/tests/service/vm_test.dart b/runtime/observatory/tests/service/get_version_rpc_test.dart
similarity index 54%
copy from runtime/observatory/tests/service/vm_test.dart
copy to runtime/observatory/tests/service/get_version_rpc_test.dart
index 1e58d9ba18a190d7b6ac16437514902d4e31f2c2..92b8c06050fe9974bdff9f39a4b6f483a5beae39 100644
--- a/runtime/observatory/tests/service/vm_test.dart
+++ b/runtime/observatory/tests/service/get_version_rpc_test.dart
@@ -5,17 +5,18 @@
 
 import 'package:observatory/service_io.dart';
 import 'package:unittest/unittest.dart';
+
 import 'test_helper.dart';
 
 var tests = [
-
-(Isolate isolate) {
-  VM vm = isolate.owner;
-  expect(vm.targetCPU, isNotNull);
-  expect(vm.architectureBits == 32 ||
-         vm.architectureBits == 64, isTrue);
-},
-
+  (VM vm) async {
+    var result = await vm.invokeRpcNoUpgrade('getVersion', {});
+    expect(result['type'], equals('Version'));
+    expect(result['major'], equals(1));
+    expect(result['minor'], equals(0));
+    expect(result['_privateMajor'], equals(0));
+    expect(result['_privateMinor'], equals(0));
+  },
 ];
 
-main(args) => runIsolateTests(args, tests);
+main(args) async => runVMTests(args, tests);