Add support for execution of constructor body

pkg/kernel/testcases/interpreter/constructor_test.dart.expect

Index: pkg/kernel/testcases/interpreter/constructor_test.dart.expect
diff --git a/pkg/kernel/testcases/interpreter/constructor_test.dart.expect b/pkg/kernel/testcases/interpreter/constructor_test.dart.expect
new file mode 100644
index 0000000000000000000000000000000000000000..2d1ed18807f7c4675cdf7bb1537bc91026aca427
--- /dev/null
+++ b/pkg/kernel/testcases/interpreter/constructor_test.dart.expect
@@ -0,0 +1,31 @@
+static-invocation-fieldInitializer
+print(String: A.foo: 0)
+return
+static-invocation-fieldInitializer
+print(String: A.foo: 1)
+return
+static-invocation-fieldInitializer
+print(String: A.foo: 2)
+return
+print(String: A.foo: 2)
+print(String: ******************)
+static-invocation-fieldInitializer
+print(String: B.bar: 0)
+return
+static-invocation-fieldInitializer
+print(String: B.bar: 1)
+return
+static-invocation-fieldInitializer
+print(String: A.foo: 0)
+return
+static-invocation-fieldInitializer
+print(String: A.foo: 1)
+return
+static-invocation-fieldInitializer
+print(String: A.foo: 2)
+return
+static-invocation-fieldInitializer
+print(String: B.bar: 2)
+return
+print(String: A.foo: 2)
+print(String: B.bar: 2)