[Android] Fix x86 compilation with multiply defined command_line.cc

base/android/command_line.h

-// Copyright 2013 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.
-
-#ifndef BASE_ANDROID_COMMAND_LINE_H_
-#define BASE_ANDROID_COMMAND_LINE_H_
-
-#include <jni.h>
-
-#include "base/base_export.h"
-
-namespace base {
-namespace android {
-
-// Appends all strings in the given array as flags to the Chrome command line.
-void BASE_EXPORT InitNativeCommandLineFromJavaArray(
-    JNIEnv* env,
-    jobjectArray init_command_line);
-
-// JNI registration boilerplate.
-bool RegisterCommandLine(JNIEnv* env);
-
-}  // namespace android
-}  // namespace base
-
-#endif  // BASE_ANDROID_COMMAND_LINE_H_