Update path to package template

Change-Id: Iee8359d483d3cdf98a6f1f821384330bf2c445e8
diff --git a/BUILD.gn b/BUILD.gn
index f59e84e..a2c90b4 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -343,7 +343,7 @@
 
   configs += [ ":sbase_config" ]
 }
-import("//packages/package.gni")
+import("//build/package.gni")
 
 package("sbase") {
   testonly = true