Size the jni local references table to avoid resizing at startup.

Change-Id: Ief382b9acb0fa6ce1e0371ecbb7d86f7059102d8
diff --git a/vm/Thread.h b/vm/Thread.h
index d84682f..4ad3974 100644
--- a/vm/Thread.h
+++ b/vm/Thread.h
@@ -71,7 +71,7 @@
 void dvmSlayDaemons(void);
 
 
-#define kJniLocalRefMin         32
+#define kJniLocalRefMin         64
 #define kJniLocalRefMax         512     /* arbitrary; should be plenty */
 #define kInternalRefDefault     32      /* equally arbitrary */
 #define kInternalRefMax         4096    /* mainly a sanity check */