ahat: annotate char[] objects with their string values.

Bug: 26987597
Change-Id: I1b0bf711c642f4b8a7fe56f0cd27496761db4147
diff --git a/tools/ahat/test-dump/Main.java b/tools/ahat/test-dump/Main.java
index 701d60e..d61a98d 100644
--- a/tools/ahat/test-dump/Main.java
+++ b/tools/ahat/test-dump/Main.java
@@ -35,6 +35,7 @@
   // class and reading the desired field.
   public static class DumpedStuff {
     public String basicString = "hello, world";
+    public char[] charArray = "char thing".toCharArray();
     public String nullString = null;
     public Object anObject = new Object();
     public ReferenceQueue<Object> referenceQueue = new ReferenceQueue<Object>();