Apply gn format with 'sources' sorting to src/

sandbox/linux/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/features.gni")
 import("//testing/test.gni")
 
 declare_args() {
   compile_suid_client = is_linux
 
@@ skipping 296 matching lines @@
     "services/libc_urandom_override.h",
   ]
   deps = [
     "//base",
   ]
 }
 
 if (compile_suid_client) {
   component("suid_sandbox_client") {
     sources = [
-      "suid/common/sandbox.h",
-      "suid/common/suid_unsafe_environment_variables.h",
       "suid/client/setuid_sandbox_client.cc",
       "suid/client/setuid_sandbox_client.h",
       "suid/client/setuid_sandbox_host.cc",
       "suid/client/setuid_sandbox_host.h",
+      "suid/common/sandbox.h",
+      "suid/common/suid_unsafe_environment_variables.h",
     ]
     defines = [ "SANDBOX_IMPLEMENTATION" ]
 
     deps = [
       ":sandbox_services",
       "//base",
     ]
   }
 }
 
@@ skipping 22 matching lines @@
   #      'type': 'none',
   #      'variables': {
   #        'test_suite_name': 'sandbox_linux_jni_unittests',
   #      },
   #      'dependencies': [
   #        'sandbox_linux_jni_unittests',
   #      ],
   #      'includes': [ '../../build/apk_test.gypi' ],
   #      }
 }