Remove stray newline in tracing.zip filename

Remove stray newline in tracing.zip filename

The uploaded trace is currently inaccessible because of the stray
newline.

BUG=455782
TEST=upload a feedback report with trace & download tracing.zip

Committed: https://crrev.com/14a9aedeebbbc06a23af0087796fb48b4103b3f6
Cr-Commit-Position: refs/heads/master@{#314858}

[spang, 2015-02-05 18:13:28]

spang@chromium.org changed reviewers:
+ achaulk@chromium.org

[achaulk, 2015-02-05 18:56:46]

lgtm

it's been like that for years, guess nobody noticed before...

[spang, 2015-02-05 18:58:36]

The CQ bit was checked by spang@chromium.org

[commit-bot: I haz the power, 2015-02-05 19:00:06]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/869853004/1

[commit-bot: I haz the power, 2015-02-05 19:00:07]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2015-02-05 19:00:08]

No LGTM from a valid reviewer yet. Only full committers are accepted.
Even if an LGTM may have been provided, it was from a non-committer,
_not_ a full super star committer.
See http://www.chromium.org/getting-involved/become-a-committer
Note that this has nothing to do with OWNERS files.

[dnicoara, 2015-02-05 19:02:56]

dnicoara@chromium.org changed reviewers:
+ dnicoara@chromium.org

[dnicoara, 2015-02-05 19:02:56]

lgtm

[spang, 2015-02-05 19:03:06]

The CQ bit was checked by spang@chromium.org

[commit-bot: I haz the power, 2015-02-05 19:03:49]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/869853004/1

[commit-bot: I haz the power, 2015-02-05 19:53:00]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-02-05 19:53:56]

Patchset 1 (id:??) landed as
https://crrev.com/14a9aedeebbbc06a23af0087796fb48b4103b3f6
Cr-Commit-Position: refs/heads/master@{#314858}