Update doc with actual version number.

Honeycomb is 3.0.

Change-Id: Ic7f15a9e2345344acdc787db153f8b8c559fe15f
diff --git a/docs/heap-profiling.html b/docs/heap-profiling.html
index dfb3cd1..3707377 100644
--- a/docs/heap-profiling.html
+++ b/docs/heap-profiling.html
@@ -177,7 +177,7 @@
 dumps has been removed from the VM.
 </p>
 
-<h3>Android x.y ("Honeycomb")</h3>
+<h3>Android 3.0 ("Honeycomb")</h3>
 <p>
 A new command-line tool has been added:
 </p>