[Mac/GN] Unconditionally write the stamp file in clean_up_old_versions.py.

[Mac/GN] Unconditionally write the stamp file in clean_up_old_versions.py.

Short circuiting in 342dc8a7ccd4 skipped writing the stamp file if no work was
to be done.

TBR=mark@chromium.org

Committed: https://chromium.googlesource.com/chromium/src/+/f44c68c71cf249e905707f3ec00deaf866358f9a

[Mark Mentovai, 2016-07-25 22:55:49]

lgtm

[commit-bot: I haz the power, 2016-07-25 22:58:05]

Description was changed from

==========
[Mac/GN] Unconditionally write the stamp file in clean_up_old_versions.py.

Short circuiting in 342dc8a7ccd4 skipped writing the stamp file if no work was
to be done.

TBR=mark@chromium.org
==========

to

==========
[Mac/GN] Unconditionally write the stamp file in clean_up_old_versions.py.

Short circuiting in 342dc8a7ccd4 skipped writing the stamp file if no work was
to be done.

TBR=mark@chromium.org

Committed: https://crrev.com/f44c68c71cf249e905707f3ec00deaf866358f9a
Cr-Commit-Position: refs/heads/master@{#407621}
==========

[commit-bot: I haz the power, 2016-07-25 22:58:06]

Patchset 1 (id:??) landed as
https://crrev.com/f44c68c71cf249e905707f3ec00deaf866358f9a
Cr-Commit-Position: refs/heads/master@{#407621}

[Robert Sesek, 2016-07-25 22:59:22]

Description was changed from

==========
[Mac/GN] Unconditionally write the stamp file in clean_up_old_versions.py.

Short circuiting in 342dc8a7ccd4 skipped writing the stamp file if no work was
to be done.

TBR=mark@chromium.org

Committed: https://crrev.com/f44c68c71cf249e905707f3ec00deaf866358f9a
Cr-Commit-Position: refs/heads/master@{#407621}
==========

to

==========
[Mac/GN] Unconditionally write the stamp file in clean_up_old_versions.py.

Short circuiting in 342dc8a7ccd4 skipped writing the stamp file if no work was
to be done.

TBR=mark@chromium.org

Committed:
https://chromium.googlesource.com/chromium/src/+/f44c68c71cf249e905707f3ec00d...
==========

[Robert Sesek, 2016-07-25 22:59:23]

Committed patchset #1 (id:1) manually as
f44c68c71cf249e905707f3ec00deaf866358f9a (presubmit successful).