GN: Fix support errorprone and java_binary

third_party/errorprone/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/rules.gni")
 
 # GYP: //third_party/errorprone.gyp:errorprone_java
 java_prebuilt("errorprone_java") {
   jar_path = "lib/error_prone_core-1.1.2.jar"
 }
 
 # GYP: //third_party/errorprone.gyp:chromium_errorprone
 java_binary("chromium_errorprone") {
   chromium_code = false
   main_class = "org.chromium.errorprone.ChromiumErrorProneCompiler"
-  disable_errorprone = true
+  enable_errorprone = false
   java_files = [ "src/org/chromium/errorprone/ChromiumErrorProneCompiler.java" ]
   deps = [
     "//build/android:sun_tools_java",
     ":errorprone_java",
   ]
 }