Default methods should not be found by getDeclaredMethod

We were incorrectly returning default methods from getDeclaredMethod
calls on an implementing class that uses the default implementation.

Bug: 27060609

Change-Id: I2e07023a11585e5f7cd92c4c0e1263f54aea1f5f
diff --git a/runtime/native/java_lang_Class.cc b/runtime/native/java_lang_Class.cc
index a80585a..b5d859b 100644
--- a/runtime/native/java_lang_Class.cc
+++ b/runtime/native/java_lang_Class.cc
@@ -388,7 +388,7 @@
   auto h_args = hs.NewHandle(soa.Decode<mirror::ObjectArray<mirror::Class>*>(args));
   Handle<mirror::Class> h_klass = hs.NewHandle(DecodeClass(soa, javaThis));
   ArtMethod* result = nullptr;
-  for (auto& m : h_klass->GetVirtualMethods(sizeof(void*))) {
+  for (auto& m : h_klass->GetDeclaredVirtualMethods(sizeof(void*))) {
     auto* np_method = m.GetInterfaceMethodIfProxy(sizeof(void*));
     // May cause thread suspension.
     mirror::String* np_name = np_method->GetNameAsString(soa.Self());