Fix dependencies on //components/policy in gn files

components/ownership/BUILD.gn

Index: components/ownership/BUILD.gn
diff --git a/components/ownership/BUILD.gn b/components/ownership/BUILD.gn
index 5acce97af29b84a9fd28e25e1a24d6f94d7052ae..1bca927b1e0e7539949095b4b7023b62fe908593 100644
--- a/components/ownership/BUILD.gn
+++ b/components/ownership/BUILD.gn
@@ -2,6 +2,8 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//build/config/features.gni")
+
 component("ownership") {
   sources = [
     "mock_owner_key_util.cc",
@@ -19,11 +21,14 @@ component("ownership") {
   deps = [
     "//base",
     "//components/keyed_service/core",
-    "//components/policy",
     "//components/policy/proto",
     "//components/policy:policy_component_common",
     "//crypto",
   ]
+
+  if (enable_configuration_policy) {
+    deps += [ "//components/policy" ]
+  }
 }
 
 source_set("unit_tests") {