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/Main.java b/test/044-proxy/src/Main.java
index 9580871..05e8e5b 100644
--- a/test/044-proxy/src/Main.java
+++ b/test/044-proxy/src/Main.java
@@ -28,5 +28,6 @@
         WrappedThrow.main(null);
         NarrowingTest.main(null);
         FloatSelect.main(null);
+        NativeProxy.main(args);
     }
 }