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/src/NativeProxy.java b/test/044-proxy/src/NativeProxy.java
new file mode 100644
index 0000000..b425da8
--- /dev/null
+++ b/test/044-proxy/src/NativeProxy.java
@@ -0,0 +1,62 @@
+/*
+ * 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.
+ */
+
+import java.lang.annotation.Annotation;
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.lang.reflect.Proxy;
+import java.util.Arrays;
+import java.util.Comparator;
+
+/**
+ * Test invoking a proxy method from native code.
+ */
+
+interface NativeInterface {
+    public void callback();
+}
+
+public class NativeProxy {
+
+    public static void main(String[] args) {
+        System.loadLibrary(args[0]);
+
+        try {
+            NativeInterface inf = (NativeInterface)Proxy.newProxyInstance(
+                    NativeProxy.class.getClassLoader(),
+                    new Class[] { NativeInterface.class },
+                    new NativeInvocationHandler());
+
+            nativeCall(inf);
+        } catch (Exception exc) {
+            throw new RuntimeException(exc);
+        }
+    }
+
+    public static class NativeInvocationHandler implements InvocationHandler {
+        public Object invoke(final Object proxy,
+                             final Method method,
+                             final Object[] args) throws Throwable {
+            System.out.println(method.getName());
+            return null;
+        }
+    }
+
+    public static native void nativeCall(NativeInterface inf);
+}