Add test for https://android-review.googlesource.com/99853 .

Change-Id: I5a1614bf8bd92f21a9b15aa8ccb4cd5fe92a025a
diff --git a/test/013-math2/src/Main.java b/test/013-math2/src/Main.java
index 2c80c31..7b8c4e4 100644
--- a/test/013-math2/src/Main.java
+++ b/test/013-math2/src/Main.java
@@ -26,7 +26,9 @@
 
         // a 16-bit constant
         a += 32000;
-        System.out.println("a:" +a);
+        b -= 32000;
+        System.out.println("a:" + a);
+        System.out.println("b:" + b);
     }
     public static void main(String args[]) {
         math_013();