Implement InstanceIDAndroid using InstanceIDWithSubtype.java

components/gcm_driver/instance_id/android/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("//build/config/android/rules.gni")
+
+# GYP version: components/gcm_driver.gypi:instance_id_driver_jni_headers
+generate_jni("jni_headers") {
+  sources = [
+    "java/src/org/chromium/components/gcm_driver/instance_id/InstanceIDWithSubtype.java",
+  ]
+  jni_package = "components/gcm_driver/instance_id"
+}
+
+# GYP version: components/gcm_driver.gypi:instance_id_driver_java
+android_library("instance_id_driver_java") {
+  deps = [
+    "//base:base_java",
+    google_play_services_library,
+  ]
+
+  java_files = [ "java/src/org/chromium/components/gcm_driver/instance_id/InstanceIDWithSubtype.java" ]
+}