hg: jdk7/build/hotspot: 6631003: Add hg tip changeset to build image

[kelly . ohair]

Changeset: 4ca65400aa33
Author:    ohair
Date:      2011-04-26 16:20 -0700
URL:       http://hg.openjdk.java.net/jdk7/build/hotspot/rev/4ca65400aa33

6631003: Add hg tip changeset to build image
Reviewed-by: mduigou

! .hgignore