core: moving vlog from release.go.v23 to release.go.x.lib

MultiPart: 2/9
Change-Id: I05863fee57e6f161be4a114ba0973b9a1cba5cc1
diff --git a/tools/application/impl_test.go b/tools/application/impl_test.go
index 72d9751..69ebf4a 100644
--- a/tools/application/impl_test.go
+++ b/tools/application/impl_test.go
@@ -14,7 +14,7 @@
 	"v.io/v23/security"
 	"v.io/v23/services/mgmt/application"
 	"v.io/v23/services/security/access"
-	"v.io/v23/vlog"
+	"v.io/x/lib/vlog"
 
 	"v.io/core/veyron/lib/testutil"
 	_ "v.io/core/veyron/profiles"