Fix sample package API level.

Change-Id: I8bf67e3fdb21e4aca966c3721b75024241bade73
diff --git a/samples/source.properties b/samples/source.properties
index 8d1cfd6..795c25a 100644
--- a/samples/source.properties
+++ b/samples/source.properties
@@ -1,4 +1,4 @@
 Pkg.UserSrc=false
 Pkg.Revision=1
-AndroidVersion.ApiLevel=12
+AndroidVersion.ApiLevel=13
 #AndroidVersion.CodeName=Honeycomb