ART: Add missing GetInterfaceMethodIfProxy

Add missing uses of GetInterfaceMethodIfProxy in reflection code.

Add a test case for a JNI call to a proxy method.

Bug: https://code.google.com/p/android-developer-preview/issues/detail?id=2973
Bug: 23886441
Change-Id: I5b66b64b5561fcee15d0314707d67e8abc02ce5b
diff --git a/test/044-proxy/native_proxy.cc b/test/044-proxy/native_proxy.cc
new file mode 100644
index 0000000..f168719
--- /dev/null
+++ b/test/044-proxy/native_proxy.cc
@@ -0,0 +1,32 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "jni.h"
+
+#include "base/logging.h"
+
+namespace art {
+
+extern "C" JNIEXPORT void JNICALL Java_NativeProxy_nativeCall(
+    JNIEnv* env, jclass clazz ATTRIBUTE_UNUSED, jobject inf_ref) {
+  jclass native_inf_class = env->FindClass("NativeInterface");
+  CHECK(native_inf_class != nullptr);
+  jmethodID mid = env->GetMethodID(native_inf_class, "callback", "()V");
+  CHECK(mid != nullptr);
+  env->CallVoidMethod(inf_ref, mid);
+}
+
+}  // namespace art