Cast device revocation checking.

components/cast_certificate/proto/BUILD.gn

 # Copyright 2016 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//third_party/protobuf/proto_library.gni")
+if (is_android) {
+  import("//build/config/android/rules.gni")
+}
 
 proto_library("proto") {
   sources = [
-    "server.proto",
+    "revocation.proto",
   ]
 }
+
+if (is_android) {
+  proto_java_library("proto_java") {
+    proto_path = "//components/cast_certificate/proto"
+
+    sources = [
+      "revocation.proto",
+    ]
+  }
+}