Add IntDefs to generated Java enums.

net/android/BUILD.gn

 # Copyright 2014 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/config.gni")
 import("//build/config/android/rules.gni")
 
 android_library("net_java") {
   java_files = [
     "java/src/org/chromium/net/AndroidCellularSignalStrength.java",
     "java/src/org/chromium/net/AndroidCertVerifyResult.java",
     "java/src/org/chromium/net/AndroidKeyStore.java",
     "java/src/org/chromium/net/AndroidNetworkLibrary.java",
     "java/src/org/chromium/net/AndroidTrafficStats.java",
     "java/src/org/chromium/net/GURLUtils.java",
     "java/src/org/chromium/net/HttpNegotiateAuthenticator.java",
     "java/src/org/chromium/net/HttpNegotiateConstants.java",
     "java/src/org/chromium/net/NetStringUtil.java",
     "java/src/org/chromium/net/NetworkChangeNotifier.java",
     "java/src/org/chromium/net/NetworkChangeNotifierAutoDetect.java",
     "java/src/org/chromium/net/ProxyChangeListener.java",
     "java/src/org/chromium/net/RegistrationPolicyAlwaysRegister.java",
     "java/src/org/chromium/net/RegistrationPolicyApplicationStatus.java",
     "java/src/org/chromium/net/X509Util.java",
   ]
   deps = [
     "//base:base_java",
+    "//third_party/android_tools:android_support_annotations_java",
   ]
   srcjar_deps = [
     ":net_errors_java",
     ":net_android_java_enums_srcjar",
   ]
 }
 
 android_aidl("embedded_test_server_aidl") {
   interface_file = "../test/android/javatests/src/org/chromium/net/test/IEmbeddedTestServerInterface.aidl"
   sources = [
@@ skipping 15 matching lines @@
     "../test/android/javatests/src/org/chromium/net/test/TestServerBuilder.java",
     "../test/android/javatests/src/org/chromium/net/test/TestServerSpawner.java",
     "../test/android/javatests/src/org/chromium/net/test/util/CertTestUtil.java",
     "../test/android/javatests/src/org/chromium/net/test/util/NetworkChangeNotifierTestUtil.java",
     "../test/android/javatests/src/org/chromium/net/test/util/TestWebServer.java",
   ]
   deps = [
     ":net_java",
     "//base:base_java",
     "//base:base_java_test_support",
+    "//third_party/android_tools:android_support_annotations_java",
     "//third_party/android_tools:legacy_http_javalib",
   ]
   srcjar_deps = [
     ":embedded_test_server_aidl",
     ":net_java_test_support_enums_srcjar",
   ]
 }
 
 source_set("java_test_native_support") {
   testonly = true
@@ skipping 86 matching lines @@
   java_files =
       [ "junit/src/org/chromium/net/HttpNegotiateAuthenticatorTest.java" ]
   deps = [
     ":net_java",
     "//base:base_java",
     "//base:base_java_test_support",
     "//base:base_junit_test_support",
     "//third_party/junit:hamcrest",
   ]
 }