Move tools to 13.

Change-Id: Ibedcb5627170d107cacf5e9d212f9da11c8d1f3e
diff --git a/files/tools_source.properties b/files/tools_source.properties
index 7ed99d2..77e52b2 100644
--- a/files/tools_source.properties
+++ b/files/tools_source.properties
@@ -1,3 +1,3 @@
 Pkg.UserSrc=false
-Pkg.Revision=12
+Pkg.Revision=13
 Platform.MinPlatformToolsRev=3