Update path to package template

Change-Id: I67d150d5b2095d641ea9dd679909ed3f11f04d96
diff --git a/BUILD.gn b/BUILD.gn
index 10d5ba4..70113ae 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -2,7 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import("//packages/package.gni")
+import("//build/package.gni")
 
 group("speccpu2000") {
   testonly = true