crosperf+cros_utils: Swap to #!/usr/bin/env.

`cros lint` was recently updated to complain about
using #!/usr/bin/python{,2,3} directly. Instead, it prefers
/usr/bin/env python{2,3} now.

BUG=None
TEST=./run_tests.sh passes; linter seems much happier with crosperf.

Change-Id: I9b88a7af1f8e03b7c870781c3d8dc1b872a3dfc3
Reviewed-on: https://chrome-internal-review.googlesource.com/286341
Commit-Ready: Luis Lozano <llozano@chromium.org>
Tested-by: Luis Lozano <llozano@chromium.org>
Reviewed-by: Luis Lozano <llozano@chromium.org>

4 files changed, 4 insertions, 4 deletions

diff --git a/cros_utils/buildbot_json.py b/cros_utils/buildbot_json.py
index 693a42cd..8a9d9cb8 100755
--- a/cros_utils/buildbot_json.py
+++ b/cros_utils/buildbot_json.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/env python2
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
diff --git a/cros_utils/command_executer_unittest.py b/cros_utils/command_executer_unittest.py
index d5f5d0cf..f039ebc5 100755
--- a/cros_utils/command_executer_unittest.py
+++ b/cros_utils/command_executer_unittest.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/env python2
 """Unittest for command_executer.py."""
 
 from __future__ import print_function
diff --git a/cros_utils/email_sender.py b/cros_utils/email_sender.py
index cd45b4ec..e5a20ad2 100755
--- a/cros_utils/email_sender.py
+++ b/cros_utils/email_sender.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/env python2
 
 # Copyright 2011 Google Inc. All Rights Reserved.
 """Utilities to send email either through SMTP or SendGMR."""
diff --git a/cros_utils/perf_diff.py b/cros_utils/perf_diff.py
index c861f6ba..31cde994 100755
--- a/cros_utils/perf_diff.py
+++ b/cros_utils/perf_diff.py
@@ -1,4 +1,4 @@
-#!/usr/bin/python2
+#!/usr/bin/env python2
 # Copyright 2012 Google Inc. All Rights Reserved.
 """One-line documentation for perf_diff module.