Generating stub code for registering a jni function at runtime.

On ARM and x86. Added a unit test.

Change-Id: I6b1ee09ad18295108f406ce21d73555796ecbba6
diff --git a/test/MyClassNatives/MyClassNatives.java b/test/MyClassNatives/MyClassNatives.java
index c4e3791..3ce18d3 100644
--- a/test/MyClassNatives/MyClassNatives.java
+++ b/test/MyClassNatives/MyClassNatives.java
@@ -3,6 +3,7 @@
 class MyClass {
     native void throwException();
     native void foo();
+    native int bar(int count);
     native int fooI(int x);
     native int fooII(int x, int y);
     native long fooJJ(long x, long y);