Update change log.

Change-Id: I7a3fbcc9d89f5c7e50f881c0029fbba1718cfcfe
diff --git a/changes.txt b/changes.txt
index 3c57f15..97c5112 100644
--- a/changes.txt
+++ b/changes.txt
@@ -3,9 +3,10 @@
 Revision 7:
 - Support for Ant rules provided by the Tools components (override the one in
   the platform component)
-- Headless SDK update. See 'android -h update sdk' for more info.
+- Support for aidl files in library projects.
 - Support for extension targets in Ant build to perform tasks between the
   normal tasks: -pre-build, -pre-compile, -post-compile.
+- Headless SDK update. See 'android -h update sdk' for more info.
 - Fixed location control in DDMS to work in any locale not using '.' as a
   decimal point.