Set proper version of API 15 in SDK files.

Change-Id: I5d3a5dd6b9bf9b54f964f9188263109056e60796
diff --git a/sdk/images_x86_source.properties b/sdk/images_x86_source.properties
index bb82577..7a17964 100644
--- a/sdk/images_x86_source.properties
+++ b/sdk/images_x86_source.properties
@@ -1,4 +1,4 @@
-Pkg.Desc=Android SDK Platform 4.1
+Pkg.Desc=Android SDK Platform 4.0.3
 Pkg.UserSrc=false
 Pkg.Revision=1
 AndroidVersion.ApiLevel=15