Move support lib to rev 6.

Change-Id: Iad48f3d8b7d8399df4286f2a8995a079797d25ea
diff --git a/sdk/support_source.properties b/sdk/support_source.properties
index 1aeb2c1..32bdbe3 100644
--- a/sdk/support_source.properties
+++ b/sdk/support_source.properties
@@ -1,5 +1,5 @@
 Pkg.UserSrc=false
-Pkg.Revision=5
+Pkg.Revision=6
 Extra.Vendor=android
 Extra.Path=support
 Extra.OldPaths=compatibility