[Findit] Remove usage of sys.exit(0) because it still causes exception stack in clusterfuzz.

[Findit] [Findit] Remove usage of sys.exit(0) because it still causes exception stack in clusterfuzz.

NOTRY=true

Committed: https://crrev.com/a3a8639afb50a29e6191592ffd9a7e65df1de98c
Cr-Commit-Position: refs/heads/master@{#294508}

[stgao, 2014-09-11 20:10:23]

stgao@chromium.org changed reviewers:
+ aarya@google.com, mbarbella@chromium.org

[aarya, 2014-09-11 20:20:35]

lgtm

[stgao, 2014-09-11 21:05:51]

The CQ bit was checked by stgao@chromium.org

[commit-bot: I haz the power, 2014-09-11 21:31:11]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patchset/561353002/1

[commit-bot: I haz the power, 2014-09-12 00:50:11]

Committed patchset #1 (id:1) as 6548b572fa768ce8afe53fcc0c5d9c21639681e6

[commit-bot: I haz the power, 2014-09-12 00:53:14]

Patchset 1 (id:??) landed as
https://crrev.com/a3a8639afb50a29e6191592ffd9a7e65df1de98c
Cr-Commit-Position: refs/heads/master@{#294508}