Remove -fstack-protector-strong from the ChromeOS GN build.

build/toolchain/linux/find_android_compilers.py

-# 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.
-
-# This script locates the Android compilers given the bin directory of the
-# android toolchain.
-
-import glob
-import subprocess
-import sys
-
-if len(sys.argv) != 2:
-  print "Error: expecting one argument of the android toolchain dir."
-  sys.exit(1)
-
-# TODO(brettw) this logic seems like a bad idea. It was copied from
-# common.gypi. It seems like the toolchain should just know the name given the
-# current platform rather than having to rely on glob.
-android_toolchain = sys.argv[1]
-cc = glob.glob(android_toolchain + "/*-gcc")
-cxx = glob.glob(android_toolchain + "/*-g++")
-if len(cc) != 1 or len(cxx) != 1:
-  print "Either none or more than one matching compiler."
-  sys.exit(1)
-
-# Get the host compilers from the current path.
-which_gcc = subprocess.check_output(["which gcc"], shell=True).strip()
-which_gxx = subprocess.check_output(["which g++"], shell=True).strip()
-
-print ('["' + cc[0] + '","' + cxx[0] + '","' + which_gcc + '","' +
-       which_gxx + '"]')